铝合金环保型化学转化处理研究现状及展望  

Research status and prospect of environment-friendly chemical transformation of aluminum alloys

作　　者：李海丰 任伊锦 Li Haifeng;Ren Yijin(College of Materials Science and Engineering,Hubei Automotive Industry Institute,Shiyan 442000,China)

机构地区：[1]湖北汽车工业学院材料科学与工程学院,湖北十堰442000

出　　处：《轻金属》2018年第12期45-51,共7页Light Metals

基　　金：湖北省自然科学基金(2015CFC786);湖北汽车工业学院大学生创新训练计划项目(SJ201622)

摘　　要：综述了国内外铝合金环保型的化学转化处理工艺的研究现状。介绍了无机盐转化膜(如钼酸盐转化膜、高锰酸盐转化膜、钛锆系盐转化膜等)、有机盐转化膜、稀土转化膜和稀土复合化学转化膜的研究进展,分析了各转化膜的性能特点,提出了现阶段存在的问题及解决途径,展望了铝合金未来无铬化学转化处理的研究方向。The research status of environment-friendly chemical transformation treatment on aluminum alloys both at home and abroad is reviewed,including inorganic conversion coating such as molybdate conversion coating,permanganate conversion coating,Ti-Zr conversion coating,organic compound conversion coating,rare earth conversion coating and rare earth compound conversion coating.The performance characteristics of the conversion coatings above are analyzed,with the existing problems and solutions at the present stage put forward as well.The prospect for the research direction of chromium-free chemical transformation treatment on aluminum alloys in the future is shared.

关 键 词：铝合金 环保 化学转化处理 无机盐转化膜 有机盐转化膜 

分 类 号：TG174[金属学及工艺—金属表面处理]