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Lu B, Zhang Y, Guo D, Li Y, Zhang R, Cui N, Duan J. How Often Should Microbial Contamination Be Detected in Aircraft Fuel Systems? An Experimental Test of Aluminum Alloy Corrosion Induced by Sulfate-Reducing Bacteria. MATERIALS (BASEL, SWITZERLAND) 2024; 17:3523. [PMID: 39063815 PMCID: PMC11279165 DOI: 10.3390/ma17143523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 07/10/2024] [Accepted: 07/13/2024] [Indexed: 07/28/2024]
Abstract
Microbial contamination in aircraft fuel-containing systems poses significant threats to flight safety and operational integrity as a result of microbiologically influenced corrosion (MIC). Regular monitoring for microbial contamination in these fuel systems is essential for mitigating MIC risks. However, the frequency of monitoring remains a challenge due to the complex environmental conditions encountered in fuel systems. To investigate the impact of environmental variables such as water content, oxygen levels, and temperature on the MIC of aluminum alloy in aircraft fuel systems, orthogonal experiments with various combinations of these variables were conducted in the presence of sulfate-reducing bacteria. Among these variables, water content in the fuel oil demonstrated the most substantial influence on the corrosion rate of aluminum alloys, surpassing the effects of oxygen and temperature. Notably, the corrosion rate of aluminum alloys was the highest in an environment characterized by a 1:1 water/oil ratio, 0% oxygen, and a temperature of 35 °C. Within this challenging environment, conducive to accelerated corrosion, changes in the corrosion behavior of aluminum alloys over time were analyzed to identify the time point at which MIC intensified. Observations revealed a marked increase in the depth and width of corrosion pits, as well as in the corrosion weight-loss rate, starting from the 7th day. These findings offer valuable insights for determining the optimal frequency of microbial contamination detection in aircraft fuel systems.
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Affiliation(s)
- Bochao Lu
- Key Laboratory of Advanced Marine Materials, Key Laboratory of Marine Environmental Corrosion and Biofouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (B.L.); (D.G.); (R.Z.); (J.D.)
- School of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao 266520, China
| | - Yimeng Zhang
- Key Laboratory of Advanced Marine Materials, Key Laboratory of Marine Environmental Corrosion and Biofouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (B.L.); (D.G.); (R.Z.); (J.D.)
| | - Ding Guo
- Key Laboratory of Advanced Marine Materials, Key Laboratory of Marine Environmental Corrosion and Biofouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (B.L.); (D.G.); (R.Z.); (J.D.)
| | - Yan Li
- Qingdao Campus of Naval Aviation University, Qingdao 266041, China
| | - Ruiyong Zhang
- Key Laboratory of Advanced Marine Materials, Key Laboratory of Marine Environmental Corrosion and Biofouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (B.L.); (D.G.); (R.Z.); (J.D.)
| | - Ning Cui
- School of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao 266520, China
| | - Jizhou Duan
- Key Laboratory of Advanced Marine Materials, Key Laboratory of Marine Environmental Corrosion and Biofouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (B.L.); (D.G.); (R.Z.); (J.D.)
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2
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Al-Moubaraki AH, Chaouiki A, Alahmari JM, Al-hammadi WA, Noor EA, Al-Ghamdi AA, Ko YG. Development of Natural Plant Extracts as Sustainable Inhibitors for Efficient Protection of Mild Steel: Experimental and First-Principles Multi-Level Computational Methods. MATERIALS (BASEL, SWITZERLAND) 2022; 15:8688. [PMID: 36500184 PMCID: PMC9736516 DOI: 10.3390/ma15238688] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 12/02/2022] [Accepted: 12/02/2022] [Indexed: 06/17/2023]
Abstract
In the present work, we present the superior corrosion inhibition properties of three plant-based products, Fraxinus excelsior (FEAE), Zingiber zerumbet (ZZAE), and Isatis tinctoria (ITAE), that efficiently inhibit the corrosion of mild steel in phosphoric acid. The anti-corrosion and adsorption characteristics were assessed using a combination of experimental and computational approaches. Weight loss, potentiodynamic polarization, and electrochemical impedance spectroscopy methods were used to evaluate the inhibitive performance of the inhibitors on the metal surface. Then, both DFT/DFTB calculations and molecular dynamic simulations were further adopted to investigate the interaction between organic inhibitor molecules and the metal surface. The protective layers assembled using the active constituents, such as carbonyl and hydroxyl groups, of the three plant-based products offer high electrochemical stability at high temperatures and robust protection against aggressive acidic solutions. All electrochemical measurements showed that the inhibition performance of extracts increased by increasing their concentration and improved in the following order: FEAE > ZZAE > ITAE. Further, these extracts worked as mixed-type inhibitors to block the anodic and cathodic active sites on the mild steel surface. Multi-level computational approaches revealed that FEAE is the most adsorbed inhibitor owing to its ability to provide electron lone pairs for electrophilic reactions. The experimental and theoretical results showed good agreement. These results indicate the possibility of replacing conventional compounds with natural substituted organic products in the fabrication of hybrid materials with effective anti-corrosion performance.
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Affiliation(s)
- Aisha H. Al-Moubaraki
- Department of Chemistry, Faculty of Sciences—Alfaisaliah Campus, University of Jeddah, Jeddah 21589, Saudi Arabia
| | - Abdelkarim Chaouiki
- Materials Electrochemistry Laboratory, School of Materials Science and Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Jamilah M. Alahmari
- Department of Chemistry, Faculty of Sciences—Alfaisaliah Campus, University of Jeddah, Jeddah 21589, Saudi Arabia
| | - Wesam A. Al-hammadi
- Department of Chemistry, Faculty of Science and Humanities, Shaqra University, Dawadmi 11911, Saudi Arabia
| | - Ehteram A. Noor
- Department of Chemistry, Faculty of Sciences—Alfaisaliah Campus, University of Jeddah, Jeddah 21589, Saudi Arabia
| | - Azza A. Al-Ghamdi
- Department of Chemistry, Faculty of Sciences—Alfaisaliah Campus, University of Jeddah, Jeddah 21589, Saudi Arabia
| | - Young Gun Ko
- Materials Electrochemistry Laboratory, School of Materials Science and Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
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Corrosion Behavior of the AlCoCrFeNi2.1 Eutectic High-Entropy Alloy in Chloride-Containing Sulfuric Acid Solutions at Different Temperatures. MATERIALS 2022; 15:ma15144822. [PMID: 35888289 PMCID: PMC9319277 DOI: 10.3390/ma15144822] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/06/2022] [Accepted: 07/08/2022] [Indexed: 11/17/2022]
Abstract
In this work, the influence of temperature on the corrosion behavior of AlCoCrFeNi2.1 eutectic high-entropy alloy in a chloride-containing sulfuric acid solution was investigated using electrochemical measurement, X-ray photoelectron spectroscopy, and scanning electron microscopy. Results show that the passive film of AlCoCrFeNi2.1 is stable in chloride-containing sulfuric acid solutions at low temperatures, while an unstable film forms on the alloy at high temperatures. Furthermore, temperature changes the proportion of hydroxide and oxide in Fe and Cr, but it has no noticeable effect on Al and Ni, which is a significant factor on the passive behavior. L12 phase exhibits good corrosion resistance at different temperatures. Pitting occurred on B2 phase in the chloride-containing sulfuric acid solution at a low temperature of 5 °C, while pitting and dissolution take place on AlCoCrFeNi2.1 in the acid solution at room temperature and above.
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4
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Guo Y, Chen Z, Zuo Y, Chen Y, Yang W, Xu B. Ionic liquids with two typical hydrophobic anions as acidic corrosion inhibitors. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.08.090] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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5
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Lamiri L, Nessark B. Electrochemical behavior, characterization and corrosion protection properties of poly(bithiophene+2-methylfuran) copolymer coatings on A304 stainless steel. E-POLYMERS 2018. [DOI: 10.1515/epoly-2017-0057] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractPolybithiophene (PBTh), poly(2-methylfuran) (PMeFu) and poly(bithiophene+2-methylfuran) noted poly(BTh+MeFu) copolymer films were synthesized by electrochemical deposition on 304-stainless steel, from an acetonitrile (ACN) solution containing 10−2m bithiophene, 10−2m 2-methylfuran and 10−1m lithium perchlorate (LiClO4), by cyclic voltammetry (CV) between 0 V and 2 V vs. SCE, with a scan rate of 50 mV·s−1. The copolymers coated were studied in a corrosive sulfuric acid medium (H2SO4·1 N) using the potensiodynamique polarization method and the electrochemical impedance spectroscopy (EIS). Copolymers coated characterization was performed using scanning electron microscopy (SEM) and Fourier transform infrared (FTIR) spectroscopy. The polarization curves show that the copolymer film formed on A304, shifts the corrosion potential towards more positive potentials. The presence of the poly(BTh+MeFu) improves the corrosion resistance of the metal in a corrosive medium, H2SO4. This protection against corrosion is caused by the barrier effect of the layer of copolymer, which covers the surface of the A304 stainless steel against the aggressive ions of the corrosive medium.
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Affiliation(s)
- Leila Lamiri
- Laboratoire d’Electrochimie et Matériaux, Département de Génie des Procédés, Faculté de Technologie, Université Ferhat Abbas Sétif-1, 19000 Sétif, Algérie
- Research Center in Industrial Technologies CRTI, P.O. Box 64, Cheraga 16014, Algiers, Algeria
| | - Belkacem Nessark
- Laboratoire d’Electrochimie et Matériaux, Département de Génie des Procédés, Faculté de Technologie, Université Ferhat Abbas Sétif-1, 19000 Sétif, Algérie
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6
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Corrosion inhibition properties of two imidazolium ionic liquids with hydrophilic tetrafluoroborate and hydrophobic hexafluorophosphate anions in acid medium. J IND ENG CHEM 2017. [DOI: 10.1016/j.jiec.2017.07.016] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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7
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Lv J, Liu Z, Zhang J, Huo J, Yu Y. Bio-based episulfide composed of cardanol/cardol for anti-corrosion coating applications. POLYMER 2017. [DOI: 10.1016/j.polymer.2017.06.036] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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8
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Gadow HS, Motawea MM, Elabbasy HM. Investigation of myrrh extract as a new corrosion inhibitor for α-brass in 3.5% NaCl solution polluted by 16 ppm sulfide. RSC Adv 2017. [DOI: 10.1039/c7ra04271j] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The performance of extract of myrrh plant as corrosion inhibitor for Cu–Zn alloy in 3.5 wt% NaCl solution polluted by 16 ppm sulfide. The results demonstrated that the corrosion rate of Cu–Zn alloy was decreased in the presence of myrrh extract.
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Affiliation(s)
- H. S. Gadow
- Higher Institute for Engineering and Technology
- Egypt
| | - M. M. Motawea
- Delta Higher Institute for Engineering and Technology
- Mansoura
- Egypt
| | - H. M. Elabbasy
- Misr Higher Institute for Engineering and Technology
- Mansoura
- Egypt
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9
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Gadow HS, Motawea M. Investigation of the corrosion inhibition of carbon steel in hydrochloric acid solution by using ginger roots extract. RSC Adv 2017. [DOI: 10.1039/c6ra28636d] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The inhibitive effect and adsorption behavior of ginger roots extract (GRE) on the corrosion of carbon steel in 1.0 M HCl solution at different temperatures were investigated.
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Affiliation(s)
- H. S. Gadow
- Higher Institute for Engineering and Technology
- Egypt
| | - M. M. Motawea
- Delta Higher Institute for Engineering and Technology
- Egypt
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10
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Fouda AS, Migahed MA, Atia AA, Mousa IM. Corrosion Inhibition and Adsorption Behavior of Some Cationic Surfactants on Carbon Steel in Hydrochloric Acid Solution. ACTA ACUST UNITED AC 2016. [DOI: 10.1007/s40735-016-0052-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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11
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El Sayed Aly MR, Shokry H, Sharshar T, Amin MA. A newly synthesized sulphated 8-hydroxyquinoline derivative to effectively control aluminum corrosion in perchloric acid: Electrochemical and positron annihilation studies. J Mol Liq 2016. [DOI: 10.1016/j.molliq.2015.11.056] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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12
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Xhanari K, Finšgar M. Organic corrosion inhibitors for aluminium and its alloys in acid solutions: a review. RSC Adv 2016. [DOI: 10.1039/c6ra11818f] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Corrosion inhibition of aluminium in acidic solutions using different organic compounds.
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Affiliation(s)
- Klodian Xhanari
- University of Maribor
- Faculty of Chemistry and Chemical Engineering
- 2000 Maribor
- Slovenia
- University of Tirana
| | - Matjaž Finšgar
- University of Maribor
- Faculty of Chemistry and Chemical Engineering
- 2000 Maribor
- Slovenia
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13
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Amin MA. Experimental findings with typical straight lines passing through the origin are not necessarily referring to data fabrication: response (I) on the paper titled “Scientific integrity in the digital age—data fabrication”. RESEARCH ON CHEMICAL INTERMEDIATES 2015. [DOI: 10.1007/s11164-013-1526-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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14
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Khaled KF. Scientific fraud and the power structure of science. RESEARCH ON CHEMICAL INTERMEDIATES 2014. [DOI: 10.1007/s11164-013-1128-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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15
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Umoren S, Gasem Z. Influence of Molecular Weight on Mild Steel Corrosion Inhibition Effect by Polyvinyl Alcohol in Hydrochloric Acid Solution. J DISPER SCI TECHNOL 2014. [DOI: 10.1080/01932691.2013.833481] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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16
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Scientific integrity in the digital age: data fabrication. RESEARCH ON CHEMICAL INTERMEDIATES 2014. [DOI: 10.1007/s11164-013-1084-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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17
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Liu H, Zheng B, Xu D, Fu C, Luo Y. Effect of Sulfate-Reducing Bacteria and Iron-Oxidizing Bacteria on the Rate of Corrosion of an Aluminum Alloy in a Central Air-Conditioning Cooling Water System. Ind Eng Chem Res 2014. [DOI: 10.1021/ie4033654] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Hongfang Liu
- Key Laboratory for Large-Format
Battery Materials and System, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Bijuan Zheng
- Key Laboratory for Large-Format
Battery Materials and System, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Dandan Xu
- Key Laboratory for Large-Format
Battery Materials and System, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Chaoyang Fu
- Key Laboratory for Large-Format
Battery Materials and System, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Yi Luo
- Key Laboratory for Large-Format
Battery Materials and System, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
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18
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Inhibiting effect of some synthesized surfactants from petroleum oils on the corrosion of aluminium in hydrochloric acid solution. RESEARCH ON CHEMICAL INTERMEDIATES 2013. [DOI: 10.1007/s11164-013-1222-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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19
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Scientific fraud in corrosion science research: A review. RESEARCH ON CHEMICAL INTERMEDIATES 2013. [DOI: 10.1007/s11164-013-1079-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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A Revisit to the Corrosion Inhibition of Aluminum in Aqueous Alkaline Solutions by Water-Soluble Alginates and Pectates as Anionic Polyelectrolyte Inhibitors. INTERNATIONAL JOURNAL OF CORROSION 2013. [DOI: 10.1155/2013/508596] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The corrosion behavior of aluminum (Al) in alkaline media in presence of some natural polymer inhibitors has been reinvestigated. The inhibition action of the tested inhibitors was found to obey both Langmuir and Freundlich isotherms models. The inhibition efficiency was found to increase with increasing the inhibitors concentration and decrease with increasing the temperature, suggesting physical adsorption mechanism. Factors such as the concentration and geometrical structure of the inhibitor, concentration of the corrosive medium, and temperature affecting the corrosion rates were examined. The kinetic parameters were evaluated, and a suitable corrosion mechanism consistent with the kinetic results obtained is suggested and discussed.
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22
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Effect of Diacetyl Monoxime Thiosemicarbazone on the Corrosion of Aged 18 Ni 250 Grade Maraging Steel in Sulphuric Acid Solution. ACTA ACUST UNITED AC 2012. [DOI: 10.1155/2012/723687] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The corrosion inhibition of the aged 18 Ni 250 grade maraging steel in 0.5 M sulphuric acid by diacetyl monoxime thiosemicarbazone (DAMTSC) at 303–323 K has been investigated by potentiodynamic polarization, EIS, and SEM techniques. Good inhibition efficiency of DAMTSC was revealed even at low concentrations, which increased with the increase in DAMTSC concentration and decreased with the increase in temperature. The activation energies, , as well as other thermodynamic parameters (; ; ), were evaluated and discussed. The adsorption of DAMTSC on the aged maraging steel surface was found to obey the Langmuir adsorption isotherm model and shows mixed type inhibition behavior.
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Abdallah M, Zaafarany I, Al-Karanee S, Abd El-Fattah A. Antihypertensive drugs as an inhibitors for corrosion of aluminum and aluminum silicon alloys in aqueous solutions. ARAB J CHEM 2012. [DOI: 10.1016/j.arabjc.2010.08.017] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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24
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Effect of some nitrogen-heterocyclic compounds on corrosion of tin, indium, and their alloys in HClO4. MONATSHEFTE FUR CHEMIE 2011. [DOI: 10.1007/s00706-011-0558-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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25
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El-Deeb MM, Mohamed SM. Corrosion inhibition of aluminum with a 3-(10-sodium sulfonate decyloxy) aniline monomeric surfactant and its analog polymer in a 0.5M hydrochloric acid solution. J Appl Polym Sci 2011. [DOI: 10.1002/app.34115] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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26
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Amin MA, Abd El-Rehim SS. Uniform and Pitting Corrosion Processes of Al, Al-6061, Al-Zn and Al-Cu Alloys Exposed to SCN- Solutions and the Effect of Some Inorganic Anions. Z PHYS CHEM 2010. [DOI: 10.1524/zpch.2011.0005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Abstract
The effect of the alloying elements and some inorganic inhibitors (WO4
2-, MoO4
2-, SiO3
2- and CrO4
2- anions) on the uniform and pitting corrosion characteristics of Al-6061, Al-4.5% Cu, Al-7.5% Cu, Al-6% Zn and Al-12% Zn alloys were studied in 0.04M KSCN solution. Susceptibility of the tested alloys towards pitting corrosion was investigated using transient (potentiostatic and galvanostatic) measurements. An independent method of chemical analysis, namely ICP-AES (inductively coupled plasma atomic emission spectroscopy) was also used to study the effect of the alloying elements and the tested inorganic anions on the uniform corrosion of these materials. Results obtained were compared with pure Al. ICP measurements revealed that the alloyed Cu and alloyed Zn enhance uniform corrosion of the Al samples, while WO4
2-, MoO4
2-, SiO3
2- and CrO4
2- anions suppressed it. Transient measurements showed that nucleation of pit takes place after an incubation time (t
i). The rate of pit initiation and growth (t
i
-1
) increased with increase in SCN- concentration, applied anodic current, applied anodic potential and solution temperature. This rate of pit initiation and growth decreased in presence of inorganic inhibitors to an extent depending on the concentration and type of the introduced inhibitor. Alloyed Zn was found to accelerate pitting attack, while alloyed Cu suppressed it. Among the tested Al alloys, Al-6061 presented the highest resistance towards uniform and pitting corrosion processes. SiO3
2- and CrO4
2- were the most efficient anions in inhibiting uniform and pitting corrosion processes of Al in these solutions.
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27
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Umoren SA, Li Y, Wang FH. Effect of polyacrylic acid on the corrosion behaviour of aluminium in sulphuric acid solution. J Solid State Electrochem 2010. [DOI: 10.1007/s10008-010-1064-2] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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28
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El-Sayed AR, Shaker AM, Abd El-Lateef HM. Corrosion inhibition of tin, indium and tin–indium alloys by adenine or adenosine in hydrochloric acid solution. CORROSION SCIENCE 2010; 52:72-81. [DOI: 10.1016/j.corsci.2009.08.047] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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29
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Amin MA. Understanding the inhibitory effect of sodium oleate on the corrosion of Al and Al–Cu alloys in 1.0 M H3PO4 solution—Polarization studies. J APPL ELECTROCHEM 2008. [DOI: 10.1007/s10800-008-9710-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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30
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Vamvakaki V, Chaniotakis N. DNA Stabilization and Hybridization Detection on Porous Silicon Surface by EIS and Total Reflection FT-IR Spectroscopy. ELECTROANAL 2008. [DOI: 10.1002/elan.200804268] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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36
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Etorki AM, Robert Hillman A, Ryder KS, Glidle A. Quartz crystal microbalance determination of trace metal ions in solution. J Electroanal Chem (Lausanne) 2007. [DOI: 10.1016/j.jelechem.2006.03.020] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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37
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Weight loss, polarization, electrochemical impedance spectroscopy, SEM and EDX studies of the corrosion inhibition of copper in aerated NaCl solutions. J APPL ELECTROCHEM 2005. [DOI: 10.1007/s10800-005-9055-1] [Citation(s) in RCA: 101] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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38
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El-Sherbini EF. Cyclic voltammetry investigation of dissolution of tin in isobutyric acid solution and inhibition effect of some polymers. J Electroanal Chem (Lausanne) 2005. [DOI: 10.1016/j.jelechem.2005.02.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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39
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The effect of electrolyte flow rate and temperature on corrosion and protection of Al–2.5 Mg alloy by (+)-catechin. J APPL ELECTROCHEM 2005. [DOI: 10.1007/s10800-005-9015-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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