摘要
提出利用循环阳极极化曲线研究转化膜耐腐蚀性能的方法 .介绍了LY12Al合金表面稀土转化膜的工艺 .将稀土转化膜与其它转化膜的耐腐蚀性能进行比较 .利用循环阳极极化曲线的“相对环面积”研究转化膜耐腐蚀性能可得出转化膜耐腐蚀规律性 .
A new method for studying corrosion resistance of conversion films was developed with cyclic anodic polarization curves in this paper. Technological process of rare earth metal (REM) conversion films on LY12 alloy was introduced. The corrosion resistance of REM conversion films was examined by salt solution immersion test and cyclic anodic polarization curves. The results obtained from cyclic anodic polarization curves could be consistent with the result of salt solution immersion test when the appositive area of cyclic anodic polarization curves was used to evaluate the corrosion resistance of the conversion films.
出处
《腐蚀科学与防护技术》
CAS
CSCD
北大核心
2001年第1期49-51,共3页
Corrosion Science and Protection Technology
基金
国家重点基础研究专项经费资助 !(NoG19990 6 5 0 )
关键词
循环阳极极化曲线
耐蚀性
稀土转化膜
“相对环面积”
铝合金
cyclic anodic polarization curves, corrosion resistance, REM conversion film,relative area of cyclic curves
