In situ, real-time imaging of redox-active species on Al/Cu galvanic couple and corrosion inhibition with 2-mercaptobenzimidazole and octylphosphonic acid
CORROSION SCIENCE(2023)
摘要
In situ localized electrochemical activity in the Al/Cu galvanic pair at the corrosion potential in an aggressive chloride electrolyte was investigated, along with the effect of the organic inhibitors 2-mercaptobenzimidazole (MBI) and octylphosphonic acid (OPA) on arresting the corresponding corrosion processes. Scanning electro-chemical microscopy (SECM) and the scanning vibrating electrode technique (SVET) were used to discern local anodic and cathodic sites at the surface. The electrochemical activity in the galvanic pair was greatly reduced when the copper surface was covered with an MBI-containing film. SECM was successfully applied to visualize spatially resolved differences in local electrochemical activity related to the inhibitor action.
更多查看译文
关键词
corrosion inhibition,galvanic couple,octylphosphonic acid,real-time,redox-active
AI 理解论文
溯源树
样例
![](https://originalfileserver.aminer.cn/sys/aminer/pubs/mrt_preview.jpeg)
生成溯源树,研究论文发展脉络
Chat Paper
正在生成论文摘要