Inhibition of the initial stages of corrosion by 2-mercaptobenzothiazole adsorption and the effects of interfacial oxides on copper in neutral chloride conditions

被引：6

作者：

Garg, Vishant ^{[1
]}

Zanna, Sandrine ^{[1
]}

Seyeux, Antoine ^{[1
]}

Wiame, Frederic ^{[1
]}

Maurice, Vincent ^{[1
]}

Marcus, Philippe ^{[1
]}

机构：

[1] PSL Univ, Inst Rech Chim Paris, CNRS, Chim ParisTech,Phys Chem Surfaces Res Grp, 11 Rue Pierre & Marie Curie, F-75005 Paris, France

来源：

CORROSION SCIENCE | 2023年 / 225卷

基金：

欧洲研究理事会;

关键词：

A; -; Copper; A - Organic Inhibitor; A-2-mercaptobenzothiazole; B - Cyclic Voltammetry; B; XPS; ToF-SIMS; C - Corrosion Inhibition; PITTING CORROSION; LOCALIZED CORROSION; FILMS; LAYER; PROTECTION; SURFACE; XPS; SPECTROSCOPY; BREAKDOWN; SPECTRA;

D O I：

10.1016/j.corsci.2023.111596

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Advanced surface analytical techniques were used to study 2-mercaptobenzothiazole (2-MBT) adsorption and interfacial oxide effects on copper, and cyclic voltammetry was used to characterize corrosion inhibition in NaCl solution. 2-MBT adsorbs on metallic copper by its sulphur atoms along with a small fraction of nitrogen atoms. The 2-MBT film formed is thicker when the interfacial oxide is less. Upon anodic polarisation, a direct correlation between the thickness of 2-MBT layer and protection against corrosion initiation is observed. The metal-organic complexes, formed by an interaction between 2-MBT and Cu(I) ions, do not offer additional protection to the substrate.

引用

页数：13

共 26 条

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[25] Interfacial bonding and corrosion inhibition of 2-mercaptobenzimidazole organic films formed on copper surfaces under electrochemical control in acidic chloride solution
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[26] ToF-SIMS, XPS and DFT study of the adsorption of 2-mercaptobenzothia-zole on copper in neutral aqueous solution and corrosion protection in chloride solution
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