1
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Palaniappan N, Cole I, Kuznetsov A, Oz T, Kujawska M, Thomas KJ. Lanthanum nanoparticle decorated carbon nanotubes: Facile method of synthesis and studies of their redox stability, cytotoxicity and corrosion inhibition on the magnesium alloy in 3.5 % NaCl environment. DIAMOND AND RELATED MATERIALS 2024; 148:111403. [DOI: 10.1016/j.diamond.2024.111403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/16/2024]
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2
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Yang M, Zhang J, Sun Z, Sun D. All-Natural Plant-Derived Polyurethane as a Substitute of a Petroleum-Based Polymer Coating Material. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:6444-6453. [PMID: 38502525 DOI: 10.1021/acs.jafc.4c00141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/21/2024]
Abstract
The development of efficient, biobased polyurethane controlled-release fertilizers from sustainable and eco-friendly biomaterials has received increased research attention, owing to concerns regarding global food security and environmental sustainability. Most previous studies focused on replacing petroleum-based polyols with biopolyols; however, the other main raw material, isocyanate, remained a petrochemical product. Herein, all-natural, plant-derived polyurethane-coated urea was successfully developed using castor oil and biobased isocyanate, and the performance of the coating shell before and after modification was compared. The results showed that the incorporation of a low dose of lauric acid copper into the coating material simultaneously enhanced the hydrophobicity and elasticity of the all-biobased polyurethane membrane, which prolonged the nitrogen release longevity from 3 to 112 days. In addition, the modified membrane showed excellent biodegradability in a soil environment. The novel all-biobased polyurethane coating material and modification technique provide insight for developing sustainable and eco-friendly controlled-release fertilizers.
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Affiliation(s)
- Ming Yang
- College of Land and Environment, Shenyang Agricultural University, Shenyang 110866, Liaoning, China
| | - Jiatong Zhang
- College of Land and Environment, Shenyang Agricultural University, Shenyang 110866, Liaoning, China
| | - Zhentao Sun
- College of Land and Environment, Shenyang Agricultural University, Shenyang 110866, Liaoning, China
| | - Di Sun
- College of Water Conservancy, Shenyang Agricultural University, Shenyang 110866, Liaoning, China
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3
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Sun B, Yan L, Gao K. Hydrophobicity and Improved Corrosion Resistance of Weathering Steel via a Facile Sol-Gel Process with a Natural Rust Film. ACS APPLIED MATERIALS & INTERFACES 2023; 15:46400-46407. [PMID: 37725683 DOI: 10.1021/acsami.3c10116] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
Weathering steel, which has a protective corrosion product film, is widely used in various construction and landscaping applications. However, it causes metal contamination in the receiving ecosystem via corrosion-induced metal dissolution and rust runoff. Traditional corrosion prevention methods, such as surface coating, also suffer from environmental pollution and high maintenance costs. In this study, we propose a novel method to make the rust film hydrophobic to prevent corrosion while retaining its original appearance. The crystalline rust is used as a natural skeleton, and nano-SiO2 particles are synthesized in situ on it by a facile sol-gel method. The microscopic analysis shows that the flower-like rust flakes provide a primary structure (micrometric scales) and the nano-SiO2 particles form a secondary structure (nanoscale bumps), which is the essential micronanostructure for forming a hydrophobic surface. The as-synthesized film shows strong corrosion resistance, with the corrosion current density being 4 orders of magnitude lower than that of the samples without hydrophobicity. The hydrophobic surface not only prevents corrosive substances from penetrating into the rust layer but also reduces the risk of contamination through its self-cleaning properties. Therefore, the weathering steel with a hydrophobic rust film can be more stable and environmentally friendly for multiscenario applications.
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Affiliation(s)
- Bingyang Sun
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Luchun Yan
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
- Institute of Materials Intelligent Technology, Liaoning Academy of Materials, Shenyang 110004, China
| | - Kewei Gao
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing 100083, China
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Antonov DV, Islamova AG, Strizhak PA. Hydrophilic and Hydrophobic Surfaces: Features of Interaction with Liquid Drops. MATERIALS (BASEL, SWITZERLAND) 2023; 16:5932. [PMID: 37687631 PMCID: PMC10488358 DOI: 10.3390/ma16175932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 08/22/2023] [Accepted: 08/28/2023] [Indexed: 09/10/2023]
Abstract
The processes of interaction of liquid droplets with solid surfaces have become of interest to many researchers. The achievements of world science should be used for the development of technologies for spray cooling, metal hardening, inkjet printing, anti-icing surfaces, fire extinguishing, fuel spraying, etc. Collisions of drops with surfaces significantly affect the conditions and characteristics of heat transfer. One of the main areas of research into the interaction of drops with solid surfaces is the modification of the latter. Changes in the hydrophilic and hydrophobic properties of surfaces give the materials various functional properties-increased heat transfer, resistance to corrosion and biofouling, anti-icing, etc. This review paper describes methods for obtaining hydrophilic and hydrophobic surfaces. The features of the interaction of liquid droplets with such surfaces are considered. The existing and possible applications of modified surfaces are discussed, as well as topical areas of research.
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Affiliation(s)
- Dmitrii V. Antonov
- Heat and Mass Transfer Laboratory, National Research Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk 634050, Russia; (D.V.A.); (A.G.I.)
- A. N. Frumkin Institute of Physical Chemistry and Electrochemistry RAS, Moscow 119071, Russia
| | - Anastasya G. Islamova
- Heat and Mass Transfer Laboratory, National Research Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk 634050, Russia; (D.V.A.); (A.G.I.)
| | - Pavel A. Strizhak
- Heat and Mass Transfer Laboratory, National Research Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk 634050, Russia; (D.V.A.); (A.G.I.)
- A. N. Frumkin Institute of Physical Chemistry and Electrochemistry RAS, Moscow 119071, Russia
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Ngo CV, Liu Y, Li W, Yang J, Guo C. Scalable Wettability Modification of Aluminum Surface through Single-Shot Nanosecond Laser Processing. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1392. [PMID: 37110976 PMCID: PMC10145128 DOI: 10.3390/nano13081392] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 04/11/2023] [Accepted: 04/15/2023] [Indexed: 06/19/2023]
Abstract
Conversion of a regular metal surface to a superhydrophobic one has great appeal because of the wide range of potential applications such as anti-fouling, anti-corrosion, and anti-icing. One promising technique is to modify surface wettability by laser processing to form nano-micro hierarchical structures with various patterns, such as pillars, grooves, and grids, followed by an aging process in the air or additional chemical processes. Surface processing is typically a lengthy process. Herein, we demonstrate a facile laser technique that converts the surface wettability of aluminum from inherently hydrophilic to hydrophobic and superhydrophobic with single-shot nanosecond laser irradiation. A single shot covers a fabrication area of approximately 19.6 mm2. The resultant hydrophobic and superhydrophobic effects persisted after six months. The effect of the incident laser energy on the surface wettability is studied, and the underlying mechanism of the wettability conversion through single-shot irradiation is suggested. The obtained surface shows a self-cleaning effect and the control of water adhesion. The single-shot nanosecond laser processing technique promises a fast and scalable method to produce laser-induced surface superhydrophobicity.
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Affiliation(s)
- Chi-Vinh Ngo
- GPL Photonics Laboratory, State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China; (C.-V.N.); (Y.L.); (W.L.)
| | - Yu Liu
- GPL Photonics Laboratory, State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China; (C.-V.N.); (Y.L.); (W.L.)
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wei Li
- GPL Photonics Laboratory, State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China; (C.-V.N.); (Y.L.); (W.L.)
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jianjun Yang
- GPL Photonics Laboratory, State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China; (C.-V.N.); (Y.L.); (W.L.)
| | - Chunlei Guo
- The Institute of Optics, University of Rochester, Rochester, NY 14627, USA
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6
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Zhu S, Deng W, Su Y. Recent advances in preparation of metallic superhydrophobic surface by chemical etching and its applications. Chin J Chem Eng 2023. [DOI: 10.1016/j.cjche.2023.02.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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Nawaz T, Ali A, Ahmad S, Piatkowski P, Alnaser AS. Enhancing Anticorrosion Resistance of Aluminum Alloys Using Femtosecond Laser-Based Surface Structuring and Coating. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:644. [PMID: 36839012 PMCID: PMC9963414 DOI: 10.3390/nano13040644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 02/02/2023] [Accepted: 02/03/2023] [Indexed: 06/18/2023]
Abstract
We report a robust two-step method for developing adherent and anticorrosive molybdenum (Mo)-based coatings over an aluminum (Al) 6061 alloy substrate using a femtosecond (fs) laser. The fs laser nanostructuring of Al 6061 alloy in air gives rise to regular arrays of microgrooves exhibiting superhydrophilic surface properties. The microstructured surface is further coated with an Mo layer using the fs-pulsed laser deposition (fs-PLD) technique. The combination of the two femtosecond laser surface treatments (microstructuring followed by coating) enabled the development of a highly corrosion-resistant surface, with a corrosion current of magnitude less than that of the pristine, the only structured, and the annealed alloy samples. The underlying mechanism is attributed to the laser-assisted formation of highly rough hierarchical oxide structures on the Al 6061 surface along with post heat treatment, which passivates the surface and provide the necessary platform for firm adhesion for Mo coating. Our results reveal that the corrosive nature of the Al-based alloys can be controlled and improved using a combined approach of femtosecond laser-based surface structuring and coating.
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Affiliation(s)
- Tahir Nawaz
- Department of Physics, American University of Sharjah, Sharjah 26666, United Arab Emirates
- Materials Science and Engineering Program, College of Arts and Sciences, American University of Sharjah, Sharjah 26666, United Arab Emirates
| | - Asghar Ali
- Department of Physics, American University of Sharjah, Sharjah 26666, United Arab Emirates
- Materials Science and Engineering Program, College of Arts and Sciences, American University of Sharjah, Sharjah 26666, United Arab Emirates
| | - Shahbaz Ahmad
- Department of Physics, American University of Sharjah, Sharjah 26666, United Arab Emirates
- Materials Science and Engineering Program, College of Arts and Sciences, American University of Sharjah, Sharjah 26666, United Arab Emirates
| | - Piotr Piatkowski
- Department of Physics, American University of Sharjah, Sharjah 26666, United Arab Emirates
- Materials Science and Engineering Program, College of Arts and Sciences, American University of Sharjah, Sharjah 26666, United Arab Emirates
| | - Ali S. Alnaser
- Department of Physics, American University of Sharjah, Sharjah 26666, United Arab Emirates
- Materials Science and Engineering Program, College of Arts and Sciences, American University of Sharjah, Sharjah 26666, United Arab Emirates
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8
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Hoque MA, Yao CW, Khanal M, Lian I. Tribocorrosion Behavior of Micro/Nanoscale Surface Coatings. SENSORS (BASEL, SWITZERLAND) 2022; 22:9974. [PMID: 36560343 PMCID: PMC9786041 DOI: 10.3390/s22249974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 12/08/2022] [Accepted: 12/16/2022] [Indexed: 06/17/2023]
Abstract
Wear and corrosion are common issues of material degradation and failure in industrial appliances. Wear is a damaging process that can impact surface contacts and, more specifically, can cause the loss and distortion of material from a surface because of the contacting object's mechanical action via motion. More wear occurs during the process of corrosion, in which oxide particles or debris are released from the contacting material. These types of wear debris and accumulated oxide particles released during corrosion cause a combination of wear-corrosion processes. Bringing together the fields of tribology and corrosion research, tribocorrosion is a field of study which deals with mechanical and electrochemical interactions between bodies in motion. More specifically, it is the study of mechanisms caused by the combined effects of mechanical stress and chemical/electrochemical interactions with the environment. Tribocorrosion testing methods provide new opportunities for studying the electrochemical nature of corrosion combined with mechanical loading to establish a synergistic relationship between corrosion and wear. To improve tribological, mechanical, and anti-corrosion performances, several surface modification techniques are being applied to develop functional coatings with micro/nano features. This review of the literature explores recent and enlightening research into the tribocorrosive properties of micro/nano coatings. It also looks at recent discussions of the most common experimental methods and some newer, promising experimental methods in tribocorrosion to elucidate their applications in the field of micro/nano coatings.
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Affiliation(s)
- Md Ashraful Hoque
- Department of Mechanical Engineering, Lamar University, Beaumont, TX 77710, USA
| | - Chun-Wei Yao
- Department of Mechanical Engineering, Lamar University, Beaumont, TX 77710, USA
| | - Mukunda Khanal
- Department of Mechanical Engineering, Lamar University, Beaumont, TX 77710, USA
| | - Ian Lian
- Department of Biology, Lamar University, Beaumont, TX 77710, USA
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N P, Cole I, Kuznetsov A, Thomas KJ, Ruszkowski P, Kujawska M. Experimental and DFT studies of selenium decorated graphene oxide: Redox stability, cytotoxicity, and corrosion inhibition of AZ13 Mg alloy. MATERIALS CHEMISTRY AND PHYSICS 2022; 292:126870. [DOI: 10.1016/j.matchemphys.2022.126870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/16/2024]
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10
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Zhang L, Tan Z, Zhang C, Tang J, Yao C, You X, Hao B. Research on Metal Corrosion Resistant Bioinspired Special Wetting Surface Based on Laser Texturing Technology: A Review. MICROMACHINES 2022; 13:1431. [PMID: 36144054 PMCID: PMC9500750 DOI: 10.3390/mi13091431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 08/25/2022] [Accepted: 08/25/2022] [Indexed: 06/16/2023]
Abstract
Metal substrates are widely used in engineering production. However, material life reduction and economic loss due to chemical and electrochemical corrosion are a major problem facing people. Electrochemical corrosion is the main corrosion mode of metals, such as seawater corrosion. It is found that the superhydrophobic surface treated by laser texturing plays an important role in the corrosion resistance of the substrate, with the laser texturing process and post-treatment affecting the corrosion resistance. The corrosion resistance is positively correlated with the superhydrophobic property of the surface. For the mechanism of corrosion resistance, this paper summarizes the effect of micro-nano structure, surface-modified coating, oxidation layer or new product layer, surface inhomogeneity, crystal structure, and slippery surface on corrosion resistance. Superhydrophobic surface and slippery surface are two common types of bioinspired, special wetting surfaces. In order to prepare better superhydrophobic and corrosion-resistant surfaces, this paper summarizes the selection and optimization of laser parameters, surface structure, processing media, and post-treatment from the point of view of mechanism and law. In addition, after summarizing the corrosion resistance mechanism, this paper introduces a series of characterization experiments that can measure the corrosion resistance, providing a reference for preparation and evaluation of the surface.
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Affiliation(s)
- Li Zhang
- School of Control Engineering, Northeastern University at Qinhuangdao, Qinhuangdao 066004, China
- Key Laboratory of Vibration and Control of Aero-Propulsion System Ministry of Education, Northeastern University, Shenyang 110819, China
| | - Zheng Tan
- School of Control Engineering, Northeastern University at Qinhuangdao, Qinhuangdao 066004, China
| | - Chong Zhang
- School of Control Engineering, Northeastern University at Qinhuangdao, Qinhuangdao 066004, China
| | - Jingrong Tang
- School of Control Engineering, Northeastern University at Qinhuangdao, Qinhuangdao 066004, China
| | - Chi Yao
- School of Control Engineering, Northeastern University at Qinhuangdao, Qinhuangdao 066004, China
| | - Xiangyu You
- School of Control Engineering, Northeastern University at Qinhuangdao, Qinhuangdao 066004, China
| | - Bo Hao
- School of Control Engineering, Northeastern University at Qinhuangdao, Qinhuangdao 066004, China
- Key Laboratory of Vibration and Control of Aero-Propulsion System Ministry of Education, Northeastern University, Shenyang 110819, China
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Redkina GV, Sergienko AS, Kuznetsov YI, Grafov OY. Superhydrophobic Anticorrosive Phosphonate-Siloxane Films Formed on Zinc with Different Surface Morphology. MATERIALS (BASEL, SWITZERLAND) 2022; 15:5360. [PMID: 35955295 PMCID: PMC9369842 DOI: 10.3390/ma15155360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 07/31/2022] [Accepted: 08/01/2022] [Indexed: 12/04/2022]
Abstract
The composition, structure, and protective and hydrophobic properties of nanoscale films formed layer-by-layer in solutions of sodium dodecylphosphonate (SDDP) and vinyltrimethoxysilane or n-octyltriethoxysilane (OTES) on the zinc surface with different morphologies were studied by SEM, XPS, water contact angle measurements, and electrochemical and corrosion tests. The protective, hydrophobic properties of phosphonate-siloxane films on zinc and their stability in a corrosive media are determined both by the initial surface morphology and composition of the surface oxide layer, and by the nature of inhibitors. It was shown that preliminary laser texturing of the zinc surface is preferable than chemical etching to enhance the anticorrosive properties of the resulting thin films. The most stable films with excellent superhydrophobic and protective properties in atmospheres of high humidity and salt spray are formed on the zinc surface with fractal morphology during layer-by-layer passivation with SDDP and OTES.
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Affiliation(s)
- Galina V. Redkina
- Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninsky Prospect 31-4, 119071 Moscow, Russia
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12
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Meng L, Long J, Yang H, Shen W, Li C, Yang C, Wang M, Li J. Femtosecond Laser Treatment for Improving the Corrosion Resistance of Selective Laser Melted 17-4PH Stainless Steel. MICROMACHINES 2022; 13:mi13071089. [PMID: 35888906 PMCID: PMC9317285 DOI: 10.3390/mi13071089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/03/2022] [Accepted: 07/05/2022] [Indexed: 12/04/2022]
Abstract
Currently, laser surface treatment (LST) is considered the most promising method available within the industry. It delivers precise control over surface topography, morphology, wettability, and chemistry, making the technique suitable for regulating the corrosion behavior of alloys. In this paper, femtosecond laser texturing with different parameters and atmosphere environments was adopted to clarify the effect of surface treatment on the corrosion resistance of selective laser melted (SLM-ed) 17-4PH stainless steel (SS) in a NaCl solution. The experimental results show that, after the heat treatment, the corrosion resistance of the laser-treated samples was enhanced. With the further laser treatment in an argon atmosphere, the oxidation of nanostructural surfaces was avoided. The Cr, Cu, and other alloying elements precipitated on the laser-ablated surface were beneficial to the formation of a passivation film, leading to an improved corrosion resistance performance.
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Affiliation(s)
- Lingjian Meng
- Sino-German College of Intelligent Manufacturing, Shenzhen Technology University, Shenzhen 518118, China; (L.M.); (J.L.); (W.S.); (C.L.); (C.Y.); (M.W.)
| | - Jiazhao Long
- Sino-German College of Intelligent Manufacturing, Shenzhen Technology University, Shenzhen 518118, China; (L.M.); (J.L.); (W.S.); (C.L.); (C.Y.); (M.W.)
| | - Huan Yang
- Sino-German College of Intelligent Manufacturing, Shenzhen Technology University, Shenzhen 518118, China; (L.M.); (J.L.); (W.S.); (C.L.); (C.Y.); (M.W.)
- Correspondence: ; Tel.: +86-177-2262-0530
| | - Wenjing Shen
- Sino-German College of Intelligent Manufacturing, Shenzhen Technology University, Shenzhen 518118, China; (L.M.); (J.L.); (W.S.); (C.L.); (C.Y.); (M.W.)
| | - Chunbo Li
- Sino-German College of Intelligent Manufacturing, Shenzhen Technology University, Shenzhen 518118, China; (L.M.); (J.L.); (W.S.); (C.L.); (C.Y.); (M.W.)
| | - Can Yang
- Sino-German College of Intelligent Manufacturing, Shenzhen Technology University, Shenzhen 518118, China; (L.M.); (J.L.); (W.S.); (C.L.); (C.Y.); (M.W.)
| | - Meng Wang
- Sino-German College of Intelligent Manufacturing, Shenzhen Technology University, Shenzhen 518118, China; (L.M.); (J.L.); (W.S.); (C.L.); (C.Y.); (M.W.)
| | - Jiaming Li
- Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices, School of Information and Optoelectronic Science and Engineering, South China Normal University, Guangzhou 510631, China;
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Liu Z, Niu T, Lei Y, Luo Y. Metal surface wettability modification by nanosecond laser surface texturing: A review. BIOSURFACE AND BIOTRIBOLOGY 2022. [DOI: 10.1049/bsb2.12039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Affiliation(s)
- Zhifang Liu
- Chongqing University of Technology Chongqing China
| | - Tong Niu
- Chongqing University College of Mechanical and Vehicle Engineering Chongqing China
| | - Yaxi Lei
- China Academy of Engineering Physics Mianyang Sichuan China
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A Study on Functional Hydrophobic Stainless Steel 316L Using Single-Step Anodization and a Self-Assembled Monolayer Coating to Improve Corrosion Resistance. COATINGS 2022. [DOI: 10.3390/coatings12030395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Stainless steel fabricated using chromium is widely being used in various industries due to its superior corrosion resistance compared to light metals such as aluminum, titanium, and magnesium. However, despite its excellent properties, a problem of poor corrosion resistance in harsh environments remains. In this study, an economical and environmentally friendly anodizing process was applied to the surface of stainless steel (SUS 316L) to create porous nanostructures to improve its water-repellent properties. In these experiments, voltages of 30, 50, 70, and 90 V were applied to stainless steel for 3 h to form an oxide film, prior to immersion in 0.1 M phosphoric acid for 10 min to expand the oxide pores. In addition, the change of the oxide structure was observed through field-emission scanning electron microscopy (FE-SEM). In terms of the contact angle, hydrophilicity was observed at applied voltages of 70 and 90 V, in which a porous film was formed; the best water repellency was observed at a 90 V applied voltage, after the application of an FDTS (1H,1H,2H,2H-perfluorodecyltrichlorosilane) coating, a self-assembled monolayer. Finally, the corrosion behavior of a hydrophobic specimen was tested using potentiodynamic polarization (PDP) experiments. The hydrophobic SUS 316L alloy subsequently displayed improved corrosion resistance in a 3.5 wt% NaCl solution.
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15
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Superhydrophobic PDMS-pCA@CNWF Composite with UV-Resistant and Self-Cleaning Properties for Oil/Water Separation. MATERIALS 2022; 15:ma15010376. [PMID: 35009522 PMCID: PMC8746016 DOI: 10.3390/ma15010376] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/24/2021] [Accepted: 12/30/2021] [Indexed: 11/17/2022]
Abstract
Oil separation is crucial for avoiding environmental pollution originating from industrial wastewater and oil spillage; therefore, it is essential to develop techniques for oil separation. Herein, a new membrane with superhydrophilicity was synthesized by a facile, green, and low-cost method. First, cellulose non-woven fabric (CNWF) was modified by poly (catechin) (pCA), which has good antioxidant and antibacterial activities, to make it unaffected by ultraviolet light and to improve the stability of the structure. Then, hydrolyzed polydimethylsiloxane (PDMS) was coated on the pCA@CNWF surface via chemical bonding to make the composite hydrophobic. This durable superhydrophobic fabric can be used to separate various oil/water mixtures by gravity-driven forces with high separation efficiency (over 98.9%). Additionally, the PDMS-pCA@CNWF possesses the advantages of flexibility, high efficiency, and an outstanding self-cleaning performance, and demonstrates significant potential for applications in various environments, even under various harsh conditions, which make it very promising for the treatment of oil pollution in practical applications.
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Xu X, Xu H, Li W, Wang Y, Zhang X. A combined quantum chemical, molcular dynamics and Monto Carlo study of three amino acids as corroison inhibitors for aluminum in NaCl solution. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.117010] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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17
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Zhang Q, Xu P, Pang C, Cui K, Yu C, Huang L. A superhydrophobic surface with a synergistic abrasion–corrosion resistance effect prepared by femtosecond laser treatment on an FeMnSiCrNiNb shape memory alloy coating. NEW J CHEM 2022. [DOI: 10.1039/d2nj03988e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Superhydrophobic coatings prepared by femtosecond laser treatment have favorable mechanical and chemical stability.
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Affiliation(s)
- Qi Zhang
- College of Materials and Metallurgy, Guizhou University, Guiyang, 550025, China
| | - Peng Xu
- College of Materials and Metallurgy, Guizhou University, Guiyang, 550025, China
- HanKaiSi Intelligent Technology Co., Ltd., Guiyang, 550016, China
| | - Chi Pang
- College of Materials and Metallurgy, Guizhou University, Guiyang, 550025, China
| | - Ke Cui
- College of Materials and Metallurgy, Guizhou University, Guiyang, 550025, China
| | - Chuan Yu
- HanKaiSi Intelligent Technology Co., Ltd., Guiyang, 550016, China
| | - Liang Huang
- Guizhou Huake Aluminium Co., Ltd., Guiyang, 550014, China
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18
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Effect of Corrosion and Wall Textures on Wettability and Heat Flux at Non-Isothermal Conditions. COATINGS 2021. [DOI: 10.3390/coatings12010046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The corrosion behavior, evaporation and heat transfer of aluminum alloy during droplet evaporation of an aggressive solution of NaCl and hydrogen peroxide in water have been studied experimentally. To date, the effect of corrosion on the evaporation and heat transfer of droplet salt solutions on textured surfaces remains insufficiently explored. The corrosion resistance of the material and the contact angle increase with an increase in the number of laser penetrations after laser texturing. Studies conducted using an electron microscope and Energy-Dispersive X-ray Spectroscopy (EDS) mapping show that the maximum amount of adsorbed hydrocarbon impurities falls on areas with a large number of pits. In the process of metal corrosion, wettability and heat transfer change. In spite of the fact that laser exposure significantly increases the corrosion resistance, the wettability of the wall changes significantly due to corrosion. The wetted diameter of a droplet changes over time, which leads to an increase in the evaporation rate and heat flux. The heat flux during evaporation of a droplet on a heated wall depends on the water droplet diameter, the texture of the wall and the corrosion resistance.
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19
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Mutual Effects of Components of Protective Films Applied on Steel in Octadecylamine and 1,2,3-Benzotriazole Vapors. MATERIALS 2021; 14:ma14237181. [PMID: 34885341 PMCID: PMC8658334 DOI: 10.3390/ma14237181] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 11/22/2021] [Accepted: 11/23/2021] [Indexed: 11/16/2022]
Abstract
In this work, we used a combination of corrosion, electrochemical, and physical methods to determine the properties of nanoscale films obtained by treatment with octadecylamine (ODA), benzotriazole (BTA) vapors, and their mixtures at elevated temperatures. The mixture of ODA + BTA surpasses its components in protective aftereffect, but an analysis of their mutual effects shows that there is antagonism between them. Electrochemical impedance spectroscopy data indicate that the protection of steel by a mixture of ODA + BTA and its components is characterized by a mixed blocking activation mechanism. The processing of steel in hot vapors of the ODA + BTA mixture leads to hydrophobization of the surface and super-hydrophobization if a polymodal surface is created on the steel before processing in vapors.
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Zheng Z, Liao C, Xia Y, Chai W, Xie C, Zhang W, Liu Y. Facile fabrication of robust, biomimetic and superhydrophobic polymer/graphene-based coatings with self-cleaning, oil-water separation, anti-icing and corrosion resistance properties. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127164] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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21
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Mousavi SMA, Pitchumani R. Bioinspired nonwetting surfaces for corrosion inhibition over a range of temperature and corrosivity. J Colloid Interface Sci 2021; 607:323-333. [PMID: 34520900 DOI: 10.1016/j.jcis.2021.08.064] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 08/08/2021] [Accepted: 08/09/2021] [Indexed: 02/08/2023]
Abstract
Applications of superhydrophobic (SHS) and lubricant infused surfaces (LIS) involve exposure to corrosive environments from the acidic to the basic, at a range of temperatures, that are not fully characterized. We present for the first time a multifactorial study of the effects of surface fabrication method, surface modification, surface functionalization time, temperature and pH of the immersion medium on the corrosion performance of nonwetting copper surfaces. Bioinspired SHS and LIS fabricated using facile methods of etching and electrodeposition are systematically assessed using potentiodynamic polarization measurements for their corrosion resistance in saline solution (pH≈ 7) over a temperature range 23-85 °C. SHS and LIS are shown to exhibit diminished corrosion rate, by up to two orders of magnitude, compared to bare copper surface. An Arrhenius model is developed for the first time, describing the temperature-dependent corrosion rate of SHS and LIS. Electrochemical impedance spectroscopy is used to show that corrosion resistance of LIS is larger by three orders of magnitude in extremely acidic (pH = 1) and by an order magnitude in extremely alkaline (pH = 14) media compared to bare copper surface. Etched LIS are generally more resistant to corrosion compared to SHS at all temperatures with excellent microstructural durability.
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Affiliation(s)
- S M Ali Mousavi
- Advanced Materials and Technologies Laboratory, Department of Mechanical Engineering, Virginia Tech, Blacksburg, VA 24061-0238, United States
| | - Ranga Pitchumani
- Advanced Materials and Technologies Laboratory, Department of Mechanical Engineering, Virginia Tech, Blacksburg, VA 24061-0238, United States.
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22
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The dependence of drop evaporation rate and wettability on corrosion kinetics. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2020.125735] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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23
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Khodakarami S, Zhao H, Rabbi KF, Miljkovic N. Scalable Corrosion-Resistant Coatings for Thermal Applications. ACS APPLIED MATERIALS & INTERFACES 2021; 13:4519-4534. [PMID: 33440119 DOI: 10.1021/acsami.0c19683] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Corrosion of metallic substrates is a problem for a variety of applications. Corrosion can be mitigated with the use of an electrically insulating coating protecting the substrate. Thick millimetric coatings, such as paints, are generally more corrosion-resistant when compared to nanoscale coatings. However, for thermal systems, thick coatings are undesirable due to the resulting decrease in the overall heat transfer stemming from the added coating thermal resistance. Hence, the development of ultrathin (<10 μm) coatings is of great interest. Ultrathin inorganic silicon dioxide (SiO2) coatings applied by sol-gel chemistries or chemical vapor deposition, as well as organic coatings such as Parylene C, have great anticorrosion performance due to their high dielectric breakdown and low moisture permeability. However, their application to arbitrarily shaped metals is difficult or expensive. Here, we develop a sol-gel solution capable of facile and controllable dip coating on arbitrary metals, resulting in a very smooth (<5 nm roughness), thin (∼3 μm), and conformal coating of dense SiO2. To benchmark our material, we compared the corrosion performance with in-house synthesized superhydrophobic aluminum and copper samples, Parylene C-coated substrates, and smooth hydrophobic surfaces functionalized with a hydrophobic self-assembled monolayer. For comparison with state-of-the-art commercial coatings, copper substrates were coated with an organo-ceramic SiO2 layer created by an elevated temperature and atmospheric pressure metal organic chemical vapor deposition process. To characterize corrosion performance, we electrochemically investigated the corrosion resistance of all samples through potentiodynamic polarization studies and electrochemical impedance spectroscopy. To benchmark the coating durability and to demonstrate scalability, we tested internally coated copper tubes in a custom-built corrosion flow loop to simulate realistic working conditions with shear and particulate saltwater flow. The sol-gel and Parylene C coatings demonstrated a 95% decrease in corrosion rate during electrochemical tests. Copper tube weight loss was reduced by 75% for the sol-gel SiO2-coated tubes when seawater was used as the corrosive fluid in the test loop. This work not only demonstrates scalable coating methodologies for applying ultrathin anticorrosion coatings but also develops mechanistic understanding of corrosion mechanisms on a variety of functional surfaces and substrates.
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Affiliation(s)
- Siavash Khodakarami
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Hanyang Zhao
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Kazi Fazle Rabbi
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Nenad Miljkovic
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
- Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61810, United States
- Material Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
- International Institute for Carbon Neutral Energy Research (WPI-I2CNER), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
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24
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Wang J, Xu J, Chen G, Lian Z, Yu H. Reversible Wettability between Underwater Superoleophobicity and Superhydrophobicity of Stainless Steel Mesh for Efficient Oil-Water Separation. ACS OMEGA 2021; 6:77-84. [PMID: 33458461 PMCID: PMC7807473 DOI: 10.1021/acsomega.0c03369] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 11/02/2020] [Indexed: 05/06/2023]
Abstract
Design and fabrication of smart materials with reversible wettability for oil-water separation have attracted worldwide attention due to the increasingly serious water pollution problem. In this study, a rough oxide coating with micro/nanoscale structures is developed on the 304 stainless steel mesh (SSM) by laser ablation. The smart surface with ethanol immersion and natural drying treatments shows the wetting conversion between underwater superoleophobicity and superhydrophobicity. Based on the wettability transition behavior, both light and heavy oil-water mixtures can be separated with the high separation efficiency. Moreover, after being exposed to various corrosive solutions and high temperatures, the smart surface still shows prominent environmental stability. Switchable surface with excellent properties should be an optimal choice to solve the environmental conditions that need to be addressed urgently.
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25
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He Z, Zeng Y, Zhou M, Min Y, Shen X, Xu Q. Superhydrophobic Films with Enhanced Corrosion Resistance and Self-Cleaning Performance on an Al Alloy. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:524-541. [PMID: 33346664 DOI: 10.1021/acs.langmuir.0c03222] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In this article, a novel and facile method is used to construct superhydrophobic surfaces on aluminum alloys. A solution of aluminum chloride hexahydrate and N-dodecyltrimethoxysilane (DTMS) in ethanol was used as the electrolyte solution. The hydrolysis of DTMS was accelerated during the electrodeposition process, and the hydrolysate was bonded to a pretreated aluminum surface. The prepared aluminum alloy sample exhibits both superhydrophobicity (the surface water contact angle reached 155°) and excellent corrosion resistance. The inhibition efficiency of this sample is as high as 99.9% in 3.5 wt % NaCl solution, which remains at 98% even after 30 days of immersion. Thus, our fabrication can be well applied to the field of marine corrosion protection. Therefore, the working mechanism was discussed by confocal Raman microspectroscopy (CRM). In addition, the investigation by CRM and electrochemical impedance spectroscopy (EIS) also indicates that superhydrophobic samples show good stability in NaCl solution. The fabrication method can inspire new ideas for the construction of superhydrophobic aluminum alloys in the marine environment.
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Affiliation(s)
- Zihao He
- Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai Engineering Research Center of Energy-Saving in Heat Exchange Systems, Shanghai University of Electric Power, 2588 Changyang Road, Yangpu District, Shanghai 200090, China
| | - Yanwei Zeng
- Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai Engineering Research Center of Energy-Saving in Heat Exchange Systems, Shanghai University of Electric Power, 2588 Changyang Road, Yangpu District, Shanghai 200090, China
| | - Miaomiao Zhou
- Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai Engineering Research Center of Energy-Saving in Heat Exchange Systems, Shanghai University of Electric Power, 2588 Changyang Road, Yangpu District, Shanghai 200090, China
| | - Yulin Min
- Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai Engineering Research Center of Energy-Saving in Heat Exchange Systems, Shanghai University of Electric Power, 2588 Changyang Road, Yangpu District, Shanghai 200090, China
| | - Xixun Shen
- Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai Engineering Research Center of Energy-Saving in Heat Exchange Systems, Shanghai University of Electric Power, 2588 Changyang Road, Yangpu District, Shanghai 200090, China
| | - Qunjie Xu
- Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai Engineering Research Center of Energy-Saving in Heat Exchange Systems, Shanghai University of Electric Power, 2588 Changyang Road, Yangpu District, Shanghai 200090, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
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26
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Wang B, Zhang H, Choi JP, Moon SK, Lee B, Koo J. A Post-Treatment Method to Enhance the Property of Aerosol Jet Printed Electric Circuit on 3D Printed Substrate. MATERIALS 2020; 13:ma13245602. [PMID: 33302599 PMCID: PMC7763611 DOI: 10.3390/ma13245602] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 11/30/2020] [Accepted: 12/07/2020] [Indexed: 12/16/2022]
Abstract
Aerosol jet printing of electronic devices is increasingly attracting interest in recent years. However, low capability and high resistance are still limitations of the printed electronic devices. In this paper, we introduce a novel post-treatment method to achieve a high-performance electric circuit. The electric circuit was printed with aerosol jet printing method on an ULTEM substrate. The ULTEM substrate was fabricated by the Fused Deposition Modelling method. After post-treatment, the electrical resistance of the printed electric circuit was changed from 236 mΩ to 47 mΩ and the electric property was enhanced. It was found that the reduction of electric resistance was caused by surface property changes. Different surface analysis methods including scanning electron microscopy (SEM) and x-ray photoelectron spectroscopy (XPS) were used to understand the effectiveness of the proposed method. The results showed that the microsurface structure remained the same original structure before and after treatment. It was found that the surface carbon concentration was significantly increased after treatment. Detailed analysis showed that the C-C bond increased obviously after treatment. The change of electrical resistance was found to be limited to the material's surface. After polishing, the circuit resistance was changed back to its original value. As the electric circuit is the basic element of electric devices, the proposed method enables the fabrication of high performance devices such as capacitors, strain gauge, and other sensors, which has potential applications in many areas such as industrial, aerospace, and military usage.
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Affiliation(s)
- Bing Wang
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore 639798, Singapore; (B.W.); (H.Z.); (J.P.C.)
- Strong-Field and Ultrafast Photonics Lab, Key Laboratory of Trans-Scale Laser Manufacturing Technology, Ministry of Education, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, China
- Beijing Engineering Research Center of Laser Technology, Beijing University of Technology, Beijing 100124, China
| | - Haining Zhang
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore 639798, Singapore; (B.W.); (H.Z.); (J.P.C.)
| | - Joon Phil Choi
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore 639798, Singapore; (B.W.); (H.Z.); (J.P.C.)
- Singapore Centre for 3D Printing, School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore 639798, Singapore
| | - Seung Ki Moon
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore 639798, Singapore; (B.W.); (H.Z.); (J.P.C.)
- Singapore Centre for 3D Printing, School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore 639798, Singapore
- Correspondence: ; Tel.: +65-6790-5599
| | - Byunghoon Lee
- Global Technology Center, Samsung Electronics Co., Ltd., Suwon 16677, Korea; (B.L.); (J.K.)
| | - Jamyeong Koo
- Global Technology Center, Samsung Electronics Co., Ltd., Suwon 16677, Korea; (B.L.); (J.K.)
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27
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Lu X, Kang L, Yan B, Lei T, Zheng G, Xie H, Sun J, Jiang K. Evolution of a Superhydrophobic H59 Brass Surface by Using Laser Texturing via Post Thermal Annealing. MICROMACHINES 2020; 11:mi11121057. [PMID: 33260379 PMCID: PMC7760971 DOI: 10.3390/mi11121057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 11/25/2020] [Accepted: 11/26/2020] [Indexed: 06/12/2023]
Abstract
To fabricate an industrial and highly efficient super-hydrophobic brass surface, annealed H59 brass samples have here been textured by using a 1064 nm wavelength nanosecond fiber laser. The effects of different laser parameters (such as laser fluence, scanning speed, and repetition frequency), on the translation to super-hydrophobic surfaces, have been of special interest to study. As a result of these studies, hydrophobic properties, with larger water contact angles (WCA), were observed to appear faster than for samples that had not been heat-treated (after an evolution time of 4 days). This wettability transition, as well as the evolution of surface texture and nanograins, were caused by thermal annealing treatments, in combination with laser texturing. At first, the H59 brass samples were annealed in a Muffle furnace at temperatures of 350 °C, 600 °C, and 800 °C. As a result of these treatments, there were rapid formations of coarse surface morphologies, containing particles of both micro/nano-level dimensions, as well as enlarged distances between the laser-induced grooves. A large number of nanograins were formed on the brass metal surfaces, onto which an increased number of exceedingly small nanoparticles were attached. This combination of fine nanoparticles, with a scattered distribution of nanograins, created a hierarchic Lotus leaf-like morphology containing both micro-and nanostructured material (i.e., micro/nanostructured material). Furthermore, the distances between the nano-clusters and the size of nano-grains were observed, analyzed, and strongly coupled to the wettability transition time. Hence, the formation and evolution of functional groups on the brass surfaces were influenced by the micro/nanostructure formations on the surfaces. As a direct consequence, the surface energies became reduced, which affected the speed of the wettability transition-which became enhanced. The micro/nanostructures on the H59 brass surfaces were analyzed by using Field Emission Scanning Electron Microscopy (FESEM). The chemical compositions of these surfaces were characterized by using an Energy Dispersive Analysis System (EDS). In addition to the wettability, the surface energy was thereby analyzed with respect to the different surface micro/nanostructures as well as to the roughness characteristics. This study has provided a facile method (with an experimental proof thereof) by which it is possible to construct textured H59 brass surfaces with tunable wetting behaviors. It is also expected that these results will effectively extend the industrial applications of brass material.
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Affiliation(s)
- Xizhao Lu
- College of Mechanical Engineering and Automation, Huaqiao University, Xiamen 361021, China; (L.K.); (B.Y.); (T.L.)
- Department of Electronic Science, Xiamen University, Xiamen 361005, China
| | - Lei Kang
- College of Mechanical Engineering and Automation, Huaqiao University, Xiamen 361021, China; (L.K.); (B.Y.); (T.L.)
- Fujian Key Laboratory of Special Energy Manufacturing, Huaqiao University, Xiamen 361021, China
| | - Binggong Yan
- College of Mechanical Engineering and Automation, Huaqiao University, Xiamen 361021, China; (L.K.); (B.Y.); (T.L.)
| | - Tingping Lei
- College of Mechanical Engineering and Automation, Huaqiao University, Xiamen 361021, China; (L.K.); (B.Y.); (T.L.)
| | - Gaofeng Zheng
- Department of Mechanical Engineering, Xiamen University, Xiamen 361005, China;
| | - Haihe Xie
- Department of Mechanical Engineering, Putian University, Putian 361110, China;
| | - Jingjing Sun
- School of Materials Science and Engineering, Xiamen University of Technology, Xiamen 361024, China;
| | - Kaiyong Jiang
- College of Mechanical Engineering and Automation, Huaqiao University, Xiamen 361021, China; (L.K.); (B.Y.); (T.L.)
- Fujian Key Laboratory of Special Energy Manufacturing, Huaqiao University, Xiamen 361021, China
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28
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Influence of Laser Texturing on Microstructure, Surface and Corrosion Properties of Ti-6Al-4V. METALS 2020. [DOI: 10.3390/met10111504] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
We present the modification of Ti-6Al-4V surfaces with a diode end-pumped Nd:YVO4 laser by varying the distance between laser-produced micro(μ)-channels. We analyzed the influence of laser texturing on the morphology, microstructure, surface and corrosion properties of Ti-6Al-4V. SEM imaging reveals a characteristic μ-channel pattern with different scan line separations, while electron backscatter diffraction (EBSD) indicates that laser texturing with the current parameters influences the microstructure up to 2 µm deep with the most significant influence at the tips, where melting and rapid solidification occur. The Vickers hardness test indicates a surface hardening effect of the laser-textured compared to the as-received Ti-6Al-4V surfaces. The XPS analysis showed that the oxide layer on the laser-textured samples was considerably thicker compared to the as-received sample, at 20 and 7 nm, respectively. We observed that the wettability was strongly correlated with the scan line separation. The results show increased hydrophobicity with increased scan line separation. The corrosion resistance was improved for laser-textured surfaces compared to the as-received surface and increased with the scan line separation.
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29
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Lu Y, Guan Y, Li Y, Yang L, Wang M, Wang Y. Nanosecond laser fabrication of superhydrophobic surface on 316L stainless steel and corrosion protection application. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125259] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Petkovšek M, Hočevar M, Gregorčič P. Surface functionalization by nanosecond-laser texturing for controlling hydrodynamic cavitation dynamics. ULTRASONICS SONOCHEMISTRY 2020; 67:105126. [PMID: 32311571 DOI: 10.1016/j.ultsonch.2020.105126] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 02/07/2020] [Accepted: 04/07/2020] [Indexed: 05/27/2023]
Abstract
The interaction between liquid flow and solid boundary can result in cavitation formation when the local pressure drops below vaporization threshold. The cavitation dynamics does not depend only on basic geometry, but also on surface roughness, chemistry and wettability. From application point of view, controlling cavitation in fluid flows by surface functionalization is of great importance to avoid the unwanted effects of hydrodynamic cavitation (erosion, noise and vibrations). However, it could be also used for intensification of various physical and chemical processes. In this work, the surfaces of 10-mm stainless steel cylinders are laser textured in order to demonstrate how hydrodynamic cavitation behavior can be controlled by surface modification. The surface properties are modified by using a nanosecond (10-28 ns) fiber laser (wavelength of 1060 nm). In such a way, surfaces with different topographies and wettability were produced and tested in a cavitation tunnel at different cavitation numbers (1.0-2.6). Cavitation characteristics behind functionalized cylindrical surfaces were monitored simultaneously by high-speed visualization (20,000 fps) and high frequency pressure transducers. The results clearly show that cavitation characteristics differ significantly between different micro-structured surfaces. On some surfaces incipient cavitation is delayed and cavitation extent decreased in comparison with the reference - a highly polished cylinder. It is also shown that the increased surface wettability (i.e., hydrophilicity) delays the incipient cavitation.
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Affiliation(s)
- Martin Petkovšek
- Faculty of Mechanical Engineering, University of Ljubljana, Ljubljana, Slovenia.
| | - Matej Hočevar
- Institute of Metals and Technology, Ljubljana, Slovenia
| | - Peter Gregorčič
- Faculty of Mechanical Engineering, University of Ljubljana, Ljubljana, Slovenia
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31
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Tian Z, Lei Z, Chen Y, Chen C, Zhang R, Chen X, Bi J, Sun H. Inhibition Effectiveness of Laser-Cleaned Nanostructured Aluminum Alloys to Sulfate-reducing Bacteria Based on Superwetting and Ultraslippery Surfaces. ACS APPLIED BIO MATERIALS 2020; 3:6131-6144. [PMID: 35021746 DOI: 10.1021/acsabm.0c00714] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
This paper is a continued study on laser cleaning removal of marine microbiofouling from Al alloy surfaces. According to our previous study, it is noted that the antifouling functions of the generated laser-cleaned metallic surfaces must be highlighted. In this work, the inhibition effectiveness of the laser-cleaned Al alloy surfaces was evaluated using a type of vital marine microorganism, sulfate-reducing bacteria (SRB) Desulfovibrio desulfuricans subsp. desulfuricans, in a dynamic bacterial solution. Before the immersion tests, the laser-cleaned surfaces with nanostructures were chemically processed into superhydrophilic, superhydrophobic, and ultraslippery surfaces. SRB attachment behaviors as well as inhibition mechanisms of the three surfaces to the SRB settlement were characterized and revealed. The SRB adhering to the above surfaces presented three different morphologies, i.e., broken, dented, and plump cells. Superhydrophilic surfaces unexpectedly showed a not inferior antibacterial ability. A piercing effect of the nanostructures caused nontoxic mechanical damage to the cell membranes. The antiadhesion property of superhydrophobic solid-air hybrid surfaces was unreliable due to the loss of air bubbles. The morphology of the last surviving SRB cells left on the ultraslippery surfaces was basically plump. The stable repellent function of the surfaces was responsible for the vigorous prevention of the adhesion of the SRB. The research results offer an insight into the antibacterial/antiadhesion properties of the laser-cleaned surfaces and a practical value for the periodic service of marine high-end equipment.
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Affiliation(s)
- Ze Tian
- State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China
| | - Zhenglong Lei
- State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China
| | - Yanbin Chen
- State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China
| | - Chuan Chen
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, Heilongjiang 150090, China
| | - Ruochen Zhang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, Heilongjiang 150090, China
| | - Xi Chen
- State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China
| | - Jiang Bi
- State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China
| | - Haoran Sun
- State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China
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32
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Schnell G, Polley C, Bartling S, Seitz H. Effect of Chemical Solvents on the Wetting Behavior Over Time of Femtosecond Laser Structured Ti6Al4V Surfaces. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1241. [PMID: 32604739 PMCID: PMC7353233 DOI: 10.3390/nano10061241] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 06/21/2020] [Accepted: 06/23/2020] [Indexed: 01/14/2023]
Abstract
The effect of chemical solvents on the wetting state of laser-structured surfaces over time is systematically examined in this paper. By using a 300-fs laser, nanostructures were generated on Ti6Al4V, subsequently cleaned in an ultrasonic bath with different solvents and stored in ambient air. The static contact angle showed significant differences for cleaning with various solvents, which, depending on the applied cleaning and time, amounted up to 100°. X-ray photoelectron spectroscopy analyses reveal that the cleaning of the laser-structured surfaces affects the surface chemistry and the aging behavior of the surfaces, even with highly volatile solvents. The effect of the chemical surface modification is particularly noticeable when using alcohols for cleaning, which, due to their OH groups, cause highly hydrophilic behavior of the surface after one day of storage. Over the course of 14 days, enrichment with organic groups from the atmosphere occurs on the surface, which leads to poorer wetting on almost every structured surface. In contrast, the cleaning in hexane leads to a fast saturation of the surface with long-chain carbon groups and thus to a time-independent hydrophobic behavior.
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Affiliation(s)
- Georg Schnell
- Microfluidics, Faculty of Mechanical Engineering and Marine Technology, University of Rostock, Justus-von-Liebig Weg 6, 18059 Rostock, Germany; (C.P.); (H.S.)
| | - Christian Polley
- Microfluidics, Faculty of Mechanical Engineering and Marine Technology, University of Rostock, Justus-von-Liebig Weg 6, 18059 Rostock, Germany; (C.P.); (H.S.)
| | - Stephan Bartling
- Leibniz Institute for Catalysis, Albert-Einstein-Straße 29a, 18059 Rostock, Germany;
| | - Hermann Seitz
- Microfluidics, Faculty of Mechanical Engineering and Marine Technology, University of Rostock, Justus-von-Liebig Weg 6, 18059 Rostock, Germany; (C.P.); (H.S.)
- Department Life, Light & Matter, University of Rostock, Albert-Einstein-Str. 25, 18059 Rostock, Germany
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A self-curing konjac glucomannan/CaCO 3 coating for corrosion protection of AA5052 aluminum alloy in NaCl solution. Int J Biol Macromol 2020; 151:691-701. [PMID: 32088236 DOI: 10.1016/j.ijbiomac.2020.02.223] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 02/12/2020] [Accepted: 02/19/2020] [Indexed: 11/21/2022]
Abstract
A composite coating containing konjac glucomannan (KGM) and CaCO3 was fabricated on AA5052 alloy through a self-curing process, and its surface morphology and component were characterized by scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD) and thermogravimetric analysis (TGA). The effect of Ca(OH)2 content on the protective property of the composite coating for aluminum alloy in 3.5 wt% NaCl solution was evaluated by electrochemical impedance spectroscopy measurements. Moreover, the inhibitory performance of the coating on the pitting corrosion of metal was examined by potentiodynamic polarization curves and atomic force microscopy (AFM). The images of scanning electron microscope show the composite coating with a thickness of 50 μm has well-defined branch-shaped structure. The FT-IR spectra confirm the successful fabrication of the polymer coating through the formation of CaCO3. The results of electrochemical impedance spectroscopy suggest that the resistance of the aluminum alloy sample coated with such protective layer is improved by six orders of magnitude, compared with the bare metal. After 60 d of immersion, the polarization curve data and AFM analysis show the pitting corrosion occurring on AA5052 surface is prevented due to the barrier property of coating.
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34
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Fabrication of superhydrophobic and ice-repellent surfaces on pure aluminium using single and multiscaled periodic textures. Sci Rep 2019; 9:13944. [PMID: 31558749 PMCID: PMC6763440 DOI: 10.1038/s41598-019-49615-x] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Accepted: 08/23/2019] [Indexed: 11/15/2022] Open
Abstract
Fabricating aluminium surfaces with superhydrophobic and ice-repellent properties present nowadays a challenging task. In this work, multifunctional structures are manufactured by direct laser writing and direct laser interference patterning methods using pulsed infrared laser radiation (1064 nm). Different periodic patterns with feature sizes ranging from 7.0 to 50.0 µm are produced. In addition, hierarchical textures are produced combining both mentioned laser based methods. Water contact angle tests at room temperature showed that all produced patterns reached the superhydrophobic state after 13 to 16 days. In addition, these experiments were repeated at substrate temperatures from −30 °C to 80 °C allowing to determine three wettability behaviours as a function of the temperature. The patterned surfaces also showed ice-repellent properties characterized by a near three-fold increase in the droplets freezing times compared to the untreated samples. Using finite element simulations, it was found that the main reason behind the ice-prevention is the change in the droplet geometrical shape due to the hydrophobic nature of the treated surfaces. Finally, dynamic tests of droplets imping the treated aluminium surfaces cooled down to −20 °C revealed that only on the hierarchically patterned surface, the droplets were able to bounce off the substrate.
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35
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Short- and Long-Term Wettability Evolution and Corrosion Resistance of Uncoated and Polymer-Coated Laser-Textured Steel Surface. COATINGS 2019. [DOI: 10.3390/coatings9090592] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
We present the results of one year observation of wetting and corrosion properties of nanosecond fiber laser-textured stainless steel, uncoated and coated with epoxy or FAS (fluoroalkylsilane)-TiO2/epoxy. A comparative study was performed on samples kept under ambient conditions and in reduced air pressure and humidity. The results show the ability to induce wettability conversion from initially superhydrophilic to final superhydrophobic state either indirectly by ageing the uncoated laser-textured surface or directly by application of FAS-TiO2/epoxy coating. The storage conditions significantly influenced the wettability development of uncoated laser-textured steel, i.e., the process of ageing was slowed down in reduced air pressure and humidity. Detailed surface chemical analysis revealed that adsorption of the organic matters from the surrounding media influences the wettability conversion and ageing. However, the ageing of the coated surfaces was not affected by the storage conditions. Corrosion stability of uncoated laser-textured surfaces was enhanced over time due to the wettability transition, depending on their morphology. Coatings represent a superior barrier over the texture and wettability with the stable long-term surface protection against aggressive media.
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36
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Wang F, Guo Z. Facile fabrication of ultraviolet light cured fluorinated polymer layer for smart superhydrophobic surface with excellent durability and flame retardancy. J Colloid Interface Sci 2019; 547:153-161. [DOI: 10.1016/j.jcis.2019.03.095] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Revised: 03/27/2019] [Accepted: 03/28/2019] [Indexed: 10/27/2022]
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37
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Rico VJ, López-Santos C, Villagrá M, Espinós JP, de la Fuente GF, Angurel LA, Borrás A, González-Elipe AR. Hydrophobicity, Freezing Delay, and Morphology of Laser-Treated Aluminum Surfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:6483-6491. [PMID: 31002515 DOI: 10.1021/acs.langmuir.9b00457] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Until recently, superhydrophobicity was considered as a hint to predict surface icephobicity, an association of concepts that is by no means universal and that has been proven to depend on different experimental factors and material properties, including the actual morphology and chemical state of surfaces. This work presents a systematic study of the wetting and freezing properties of aluminum Al6061, a common material widely used in aviation, after being subjected to nanosecond pulsed IR laser treatments to modify its surface roughness and morphology. All treated samples, independent of their surface finishing state, presented initially an unstable hydrophilic wetting behavior that naturally evolved with time to reach hydrophobicity or even superhydrophobicity. To stabilize the surface state and to bestow the samples with a permanent and stable hydrophobic character, laser-treated surfaces were covered with a thin layer of CF x prepared by plasma-enhanced chemical vapor deposition. A systematic comparison between freezing delay (FD) and wetting properties of water droplets onto these plasma-/polymer-modified laser-treated surfaces that, under conditions where a heterogeneous nucleation mechanism prevails, surface morphology rather than the actual value of the surface roughness parameter the key feature for long FD times. In particular, it is found that surface morphologies rendering a Cassie-Baxter wetting regime longer FDs than those characterized by a Wenzel-like wetting state. It is that laser treatment, with or without additional coverage with thin CF x coatings, affects wetting and ice formation behaviors and might be an efficient procedure to mitigate icing problems on metal surfaces.
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Affiliation(s)
- Víctor J Rico
- Nanotechnology on Surfaces laboratory , Instituto de Ciencia de Materiales de Sevilla (CSIC-Univ. Sevilla) , Avda. Américo Vespucio 49 , 41092 Sevilla , Spain
| | - Carmen López-Santos
- Nanotechnology on Surfaces laboratory , Instituto de Ciencia de Materiales de Sevilla (CSIC-Univ. Sevilla) , Avda. Américo Vespucio 49 , 41092 Sevilla , Spain
| | - Martín Villagrá
- Nanotechnology on Surfaces laboratory , Instituto de Ciencia de Materiales de Sevilla (CSIC-Univ. Sevilla) , Avda. Américo Vespucio 49 , 41092 Sevilla , Spain
| | - Juan P Espinós
- Nanotechnology on Surfaces laboratory , Instituto de Ciencia de Materiales de Sevilla (CSIC-Univ. Sevilla) , Avda. Américo Vespucio 49 , 41092 Sevilla , Spain
| | - German F de la Fuente
- Instituto de Ciencia de Materiales de Aragón (CSIC-Univ. Zaragoza) , c/María de Luna 3 , 50018 Zaragoza , Spain
| | - Luis A Angurel
- Instituto de Ciencia de Materiales de Aragón (CSIC-Univ. Zaragoza) , c/María de Luna 3 , 50018 Zaragoza , Spain
| | - Ana Borrás
- Nanotechnology on Surfaces laboratory , Instituto de Ciencia de Materiales de Sevilla (CSIC-Univ. Sevilla) , Avda. Américo Vespucio 49 , 41092 Sevilla , Spain
| | - Agustín R González-Elipe
- Nanotechnology on Surfaces laboratory , Instituto de Ciencia de Materiales de Sevilla (CSIC-Univ. Sevilla) , Avda. Américo Vespucio 49 , 41092 Sevilla , Spain
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38
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A multifunctional super-hydrophobic coating based on PDA modified MoS2 with anti-corrosion and wear resistance. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.02.016] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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39
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Garcia-Giron A, Romano JM, Batal A, Dashtbozorg B, Dong H, Solanas EM, Angos DU, Walker M, Penchev P, Dimov SS. Durability and Wear Resistance of Laser-Textured Hardened Stainless Steel Surfaces with Hydrophobic Properties. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:5353-5363. [PMID: 30932499 DOI: 10.1021/acs.langmuir.9b00398] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Hydrophobic surfaces are of high interest to industry. While surface functionalization has attracted significant interest, from both industry and research, the durability of engineered surfaces remains a challenge, as wear and scratches deteriorate their functional response. In this work, a cost-effective combination of surface engineering processes on stainless steel was investigated. Low-temperature plasma surface alloying was applied to increase surface hardness from 172 to 305 HV. Then, near-infrared nanosecond laser patterning was deployed to fabricate channel-like patterns that enabled superhydrophobicity. Abrasion tests were carried out to examine the durability of such engineered surfaces during daily use. In particular, the evolution of surface topographies, chemical composition, and water contact angle with increasing abrasion cycles were studied. Hydrophobicity deteriorated progressively on both hardened and raw stainless steel samples, suggesting that the major contributing factor to hydrophobicity was the surface chemical composition. At the same time, samples with increased surface hardness exhibited a slower deterioration of their topographies when compared with nontreated surfaces. A conclusion is made about the durability of laser-textured hardened stainless steel surfaces produced by applying the proposed combined surface engineering approach.
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Affiliation(s)
- A Garcia-Giron
- Department of Mechanical Engineering, School of Engineering , University of Birmingham , Edgbaston , Birmingham B15 2TT , U.K
| | - J M Romano
- Department of Mechanical Engineering, School of Engineering , University of Birmingham , Edgbaston , Birmingham B15 2TT , U.K
| | - A Batal
- Department of Mechanical Engineering, School of Engineering , University of Birmingham , Edgbaston , Birmingham B15 2TT , U.K
| | - B Dashtbozorg
- School of Metallurgy and Materials , University of Birmingham , Edgbaston , Birmingham B15 2SF , U.K
| | - H Dong
- School of Metallurgy and Materials , University of Birmingham , Edgbaston , Birmingham B15 2SF , U.K
| | - E Martinez Solanas
- ATRIA Innovation , C/Alaún 14, nave 5 , 50197 Zaragoza , Spain
- Center for Corporate Technology and Innovation Spain, BSH Electrodomésticos España, S.A. , Av. de la Industria 49 , 50016 Zaragoza , Spain
| | - D Urrutia Angos
- ATRIA Innovation , C/Alaún 14, nave 5 , 50197 Zaragoza , Spain
- Center for Corporate Technology and Innovation Spain, BSH Electrodomésticos España, S.A. , Av. de la Industria 49 , 50016 Zaragoza , Spain
| | - M Walker
- Department of Physics , University of Warwick , Coventry CV4 7AL , U.K
| | - P Penchev
- Department of Mechanical Engineering, School of Engineering , University of Birmingham , Edgbaston , Birmingham B15 2TT , U.K
| | - S S Dimov
- Department of Mechanical Engineering, School of Engineering , University of Birmingham , Edgbaston , Birmingham B15 2TT , U.K
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40
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Fabrication of superhydrophobic aluminum surface by droplet etching and chemical modification. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.01.046] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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41
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Hu G, Song Y, Guan Y. Tailoring metallic surface properties induced by laser surface processing for industrial applications. NANOTECHNOLOGY AND PRECISION ENGINEERING 2019. [DOI: 10.1016/j.npe.2019.03.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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42
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Guo Y, Zhao E, Guo X, Tang D. Fabrication of self-assembled hydrophobic fluorinated silica particulate film. J Fluor Chem 2019. [DOI: 10.1016/j.jfluchem.2018.11.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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43
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Effect of molecular-scale surface energy alteration of aluminium on its corrosion resistance behaviour. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2018.10.046] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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44
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Wang F, Guo Z. Facile synthesis of superhydrophobic three-metal-component layered double hydroxide films on aluminum foils for highly improved corrosion inhibition. NEW J CHEM 2019. [DOI: 10.1039/c8nj05732j] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
A simple hydrothermal method was presented to obtain various superhydrophobic ZnMgAl layered double hydroxide films on aluminum foils (AF) with excellent corrosion inhibition.
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Affiliation(s)
- Fengyi Wang
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials and Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials
- Hubei University
- Wuhan 430062
- China
- State Key Laboratory of Solid Lubrication
| | - Zhiguang Guo
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials and Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials
- Hubei University
- Wuhan 430062
- China
- State Key Laboratory of Solid Lubrication
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45
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Yang Z, Liu X, Tian Y. Insights into the wettability transition of nanosecond laser ablated surface under ambient air exposure. J Colloid Interface Sci 2019; 533:268-277. [DOI: 10.1016/j.jcis.2018.08.082] [Citation(s) in RCA: 108] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2018] [Revised: 08/22/2018] [Accepted: 08/24/2018] [Indexed: 02/02/2023]
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46
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Wang H, Dong S, Wang Z. One-step fabrication of superhydrophobic surface on beryllium copper alloys and corrosion protection application. Colloids Surf A Physicochem Eng Asp 2018. [DOI: 10.1016/j.colsurfa.2018.08.044] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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47
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Scalable superhydrophobic coating with controllable wettability and investigations of its drag reduction. Colloids Surf A Physicochem Eng Asp 2018. [DOI: 10.1016/j.colsurfa.2018.07.011] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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48
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Rafieazad M, Jaffer JA, Cui C, Duan X, Nasiri A. Nanosecond Laser Fabrication of Hydrophobic Stainless Steel Surfaces: The Impact on Microstructure and Corrosion Resistance. MATERIALS 2018; 11:ma11091577. [PMID: 30200418 PMCID: PMC6163166 DOI: 10.3390/ma11091577] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2018] [Revised: 08/28/2018] [Accepted: 08/28/2018] [Indexed: 12/02/2022]
Abstract
Creation of hydrophobic and superhydrophobic surfaces has attracted broad attention as a promising solution for protection of metal surfaces from corrosive environments. This work investigates the capability of nanosecond fiber laser surface texturing followed by a low energy coating in the fabrication of hydrophobic 17-4 PH stainless steel surfaces as an alternative to the ultrashort lasers previously utilized for hydrophobic surfaces production. Laser texturing of the surface followed by applying the hydrophobic coating resulted in steady-state contact angles of up to 145°, while the non-textured coated base metal exhibited the contact angle of 121°. The microstructure and compositional analysis results confirmed that the laser texturing process neither affects the microstructure of the base metal nor causes elemental loss from the melted regions during the ultrafast melting process. However, the electrochemical measurements demonstrated that the water-repelling property of the surface did not contribute to the anticorrosion capability of the substrate. The resultant higher corrosion current density, lower corrosion potential, and higher corrosion rate of the laser textured surfaces were ascribed to the size of fabricated surface micro-grooves, which cannot retain the entrapped air inside the hierarchical structure when fully immersed in a corrosive medium, thus degrading the material’s corrosion performance.
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Affiliation(s)
- Mehran Rafieazad
- Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's, NL A1B 3X5, Canada.
| | - Jaffer Alkarim Jaffer
- Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's, NL A1B 3X5, Canada.
| | - Cong Cui
- Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's, NL A1B 3X5, Canada.
| | - Xili Duan
- Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's, NL A1B 3X5, Canada.
| | - Ali Nasiri
- Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's, NL A1B 3X5, Canada.
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49
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Chen P, Aso T, Sasaki R, Ashida M, Tsutsumi Y, Doi H, Hanawa T. Adhesion and differentiation behaviors of mesenchymal stem cells on titanium with micrometer and nanometer-scale grid patterns produced by femtosecond laser irradiation. J Biomed Mater Res A 2018; 106:2735-2743. [PMID: 30055042 DOI: 10.1002/jbm.a.36503] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 06/29/2018] [Accepted: 07/02/2018] [Indexed: 01/07/2023]
Abstract
To clarify the effects of grid topographies with different scales on cell morphology and functionalization, we investigated the adhesion and differentiation of human mesenchymal stem cells (hMSCs) to titanium surfaces with micron, nano, and micron/nano (hybrid) grid topographies created by femtosecond laser irradiation. The results showed that cellular adhesion and differentiation strongly depended on the scales of the grid topography. hMSCs cultured on micron and hybrid grid topographies showed regulation of cellular adhesion plaques following the surface topography and were vinculin-positive, whereas filamentous vinculin was evident at the filopodia of hMSCs cultured on nanogrids. The findings indicate that the micron grid topography was beneficial for cell colonization by anchoring the cells to the substrate surface, whereas the nanogrid topography was beneficial for cell locomotion. With the superposition effect of the micron and nanogrids, micro/nanohybrid grid topography strongly promoted cell adhesion. This differential adhesion induced differences cell differentiation. Nanogrids promoted differentiation of hMSCs, particularly osteogenic differentiation. These findings provide a basis for the design of novel biomaterial surfaces that can regulate specific cellular functions. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 106A: 2735-2743, 2018.
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Affiliation(s)
- Peng Chen
- Department of Metallic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, 101-0062, Japan
| | - Toshihiro Aso
- Aisin Seiki Co., Ltd., Kariya, Aichi, 448-8650, Japan
| | | | - Maki Ashida
- Department of Metallic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, 101-0062, Japan
| | - Yusuke Tsutsumi
- Department of Metallic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, 101-0062, Japan.,Department of Materials Engineering, Graduate School of Engineering, The University of Tokyo, Tokyo, 113-8656, Japan
| | - Hisashi Doi
- Department of Metallic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, 101-0062, Japan
| | - Takao Hanawa
- Department of Metallic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, 101-0062, Japan
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50
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Zhang K, Yang W, Xu B, Chen Y, Yin X, Liu Y, Zuo H. Inhibitory effect of konjac glucomanan on pitting corrosion of AA5052 aluminium alloy in NaCl solution. J Colloid Interface Sci 2018; 517:52-60. [DOI: 10.1016/j.jcis.2018.01.092] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2017] [Revised: 01/19/2018] [Accepted: 01/24/2018] [Indexed: 10/18/2022]
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