涂覆于铝合金基材的氯化橡胶涂层体系在浸泡作用下的失效机理

Mechanism for Chlorinated Rubber Coatings Film Based on Aluminum Alloy Failure Caused by Soaking Action

采用电化学阻抗谱研究了涂覆在铝合金基材上的氯化橡胶涂层体系在3.5%(质量分数)氯化钠溶液浸泡作用下的性能变化,用SEM观察了涂层表面的形貌变化,用FTIR对浸泡失效前后的涂层组成进行了分析,提出了在腐蚀环境中的氯化橡胶涂层的失效机理。

This paper is about the study of performance change of chlorinated rubber coatings film on aluminum alloy caused by soaking action of 3.5% sodium chloride solution through the method of EIS,about the investigation of film surface morphology changes through SEM,and about the analysis of film compositions before and after failure through FTIR,and puts forward the mechanism of the film failure of chlorinated rubber coatings in corrosion environment.