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Karmakar S, Sultana M, Haque A. Q-Carbon as a Corrosion-Resistant Coating. ACS APPLIED MATERIALS & INTERFACES 2023; 15:46269-46279. [PMID: 37748041 DOI: 10.1021/acsami.3c07815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
A newly discovered quenched form of carbon, widely known as Q-carbon, thin films are synthesized by the direct conversion of the amorphous carbon layer using the nanosecond pulsed laser annealing technique, and its corrosion-resistant properties, that is, potentiodynamic polarization (PDP) and electrochemical impedance spectroscopy technique, are investigated. The unique microstructure and the existence of defects (sp2 content) in sp3-rich Q-carbon are highly desirable for efficient corrosion-resistant performance. The sp3 percentage of the as-grown Q-carbon is measured to be ∼80.5% from the D and G peaks of the Raman and C-1S X-ray photoelectron spectrum. The anti-corrosion properties with inhibition durability of Q-carbon thin films are systematically investigated in various concentrations of Na2SO4 solutions, and the corrosion potential, corrosion current, and corrosion rate of Q-carbon are determined to be -253 V, 30.1 × 10-5 A/cm2, and 0.00528, respectively, for 1 M Na2SO4 solution. Both series and contact resistance decrease from 5498.6 and 821.1 Ω to 698.8 and 124.3 Ω with an increase of Na2SO4 concentration from 0.1 to 1 M, respectively. The small shift of PDP curves toward more negative potential, the shrinkage of the radius of semicircular arcs in the Nyquist plot (Z″ vs Z'), and negligible loss in corrosion resistance (∼78%) are observed for Q-carbon thin film at the immersion time up to 48 h. The unique sp2-sp3 ratio, shorter bond length, compact atomic arrangement, and minimum porosity, along with the high adhesion strength, due to the ultrafast solid-liquid-solid growth route, of Q-carbon thin film on the substrate signify it as a better alternative compared to the existing corrosion-resistant materials.
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Affiliation(s)
- Subrata Karmakar
- Electrical Engineering, Ingram School of Engineering, Texas State University, San Marcos, Texas 78666, United States
| | - Maria Sultana
- Electrical Engineering, Ingram School of Engineering, Texas State University, San Marcos, Texas 78666, United States
| | - Ariful Haque
- Electrical Engineering, Ingram School of Engineering, Texas State University, San Marcos, Texas 78666, United States
- Materials Science, Engineering & Commercialization Program, Texas State University, San Marcos, Texas 78666, United States
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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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Enhanced Anti-Tribocorrosion Performance of Ti-DLC Coatings Deposited by Filtered Cathodic Vacuum Arc with the Optimization of Bias Voltage. COATINGS 2022. [DOI: 10.3390/coatings12050697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
To improve the anti-tribocorrosion property, and decrease the metal dissolution and wear of stainless-steel components caused by the synergistic action of corrosion and friction in marine environments, Ti-DLC coatings were obtained on steel substrate using a filtered cathodic vacuum arc (FCVA) system by adjusting bias voltage. The structure, mechanical properties, corrosion, and tribocorrosion behavior were investigated. Increasing the bias voltage from −50 V to −300 V, Ti content decreased from 23.9 to 22.5 at.%, and grain size decreased first, and then increased. Obvious TiC grains embedded in the amorphous carbon matrix were observed in the coating from the TEM result. Hardness increased from 30.23 GPa to 34.24 GPa with an increase in bias voltage from −50 to −200 V. The results of tribocorrosion testing showed that the Ti-DLC coatings at −200 V presented the best anti-tribocorrosion performance with the smallest friction coefficient of 0.052, wear rate of 2.48 × 10−7 mm3/N∙m, and high open-circuit potential, which is mainly due to the dense structure, high value of H/E* and H3/E*2, and great corrosion resistance. Obtained results suggest that the Ti-DLC coating with nanocomposite structure is a potential protective material for marine equipment.
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Steffi AP, Balaji R, Prakash N, Rajesh TP, Ethiraj S, Samuel MS, Nadda AK, Chandrasekar N. Incorporation of SiO 2 functionalized gC 3N 4 sheets with TiO 2 nanoparticles to enhance the anticorrosion performance of metal specimens in aggressive Cl - environment. CHEMOSPHERE 2022; 290:133332. [PMID: 34922970 DOI: 10.1016/j.chemosphere.2021.133332] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/29/2021] [Accepted: 12/14/2021] [Indexed: 06/14/2023]
Abstract
Nowadays, carbon-based nano-structured materials are widely preferred for composite coating as anti-corrosive reinforcement mainly due to its enhanced physical, chemical and mechanical properties. Herein we develop highly efficient Graphitic carbon nitride-Silica-Titania (gC3N4/SiO2/TiO2) ternary nanocomposite are synthesized and it is used as a nanofillers in the corrosive protection layer on the proposed metal specimen (i.e., mild steel specimen) in an aggressive chloride environment. Size, structural and morphological analysis were analysed for the confirmation of presence of particles. gC3N4 is currently earning quite drastic attention, owing to its affordable cost compared to carbon nanotubes and other carbon-based materials, when gC3N4 incorporated with SiO2 and TiO2, the composite matrix greatly improves the mechanical strength of the coating mixture. XRD, XPS, EDS analysis projects excellent formation and presence of the ternary nanocomposites. The particles are well-dispersed in epoxy and organic resin and deposited on the mildsteel panels and it is examined using various surface and structural characterization techniques. The obtained results are very encouraging and the ternary composite coatings can be recommended for real world applications.
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Affiliation(s)
- Alexander Pinky Steffi
- Department of Nanoscience and Technology, Sri Ramakrishna Engineering College, Coimbatore, Tamil Nadu, India
| | - Ramachandran Balaji
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei, 106, Taiwan
| | - Natarajan Prakash
- Department of Nanoscience and Technology, Sri Ramakrishna Engineering College, Coimbatore, Tamil Nadu, India
| | | | - Selvarajan Ethiraj
- Department of Genetic Engineering, School of Bioengineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, 603203, Tamil Nadu, India
| | - Melvin S Samuel
- Department of Material Science and Engineering, University of Wisconsin-Milwaukee, Milwaukee, WI, USA
| | - Ashok Kumar Nadda
- Department of Biotechnology and Bioinformatics, Jaypee University of Information Technology, Waknaghat, Solan, 173 234, India
| | - Narendhar Chandrasekar
- Department of Nanoscience and Technology, Sri Ramakrishna Engineering College, Coimbatore, Tamil Nadu, India.
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Triroj N, Saensak R, Porntheeraphat S, Paosawatyanyong B, Amornkitbamrung V. Diamond-Like Carbon Thin Film Electrodes for Microfluidic Bioelectrochemical Sensing Platforms. Anal Chem 2020; 92:3650-3657. [DOI: 10.1021/acs.analchem.9b04689] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Napat Triroj
- Department of Electrical Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Rattanakorn Saensak
- Department of Electrical Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Supanit Porntheeraphat
- Thai Microelectronics Center (TMEC), Chachoengsao 24000, Thailand
- National Electronics and Computer Technology Center, Pathum Thani 12120, Thailand
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Liu SS, Han Z, Yang JS, Huang SZ, Dong XY, Zang SQ. Sulfonic Groups Lined along Channels of Metal–Organic Frameworks (MOFs) for Super-Proton Conductor. Inorg Chem 2019; 59:396-402. [DOI: 10.1021/acs.inorgchem.9b02649] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Shan-Shan Liu
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Henan Key Laboratory
of Coal Green Conversion, Henan Polytechnic University, Jiaozuo 454000, China
| | - Zhen Han
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Jin-Sen Yang
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Sheng-Zheng Huang
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Henan Key Laboratory
of Coal Green Conversion, Henan Polytechnic University, Jiaozuo 454000, China
| | - Xi-Yan Dong
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Henan Key Laboratory
of Coal Green Conversion, Henan Polytechnic University, Jiaozuo 454000, China
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Shuang-Quan Zang
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
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