镁合金无铬化学转化膜的研究进展  

Research Advances in Chromium-Free Chemical Conversion Coatings on Magnesium Alloys

作　　者：赵强[1] 周婉秋[1] 武士威[1] 李华为[1] 于湛[1] 付雅君[1] 

机构地区：[1]沈阳师范大学化学与生命科学学院,辽宁沈阳110034

出　　处：《电镀与精饰》2010年第8期30-33,共4页Plating & Finishing

基　　金：国家自然科学基金资助项目(50971093)

摘　　要：镁合金是工业上应用广泛的轻金属材料,化学转化膜处理技术是提高铝合金耐蚀性的方法之一。综述了镁合金无铬化学转化膜处理技术,介绍了磷酸盐、锡酸盐、高锰酸盐、稀土金属盐和植酸处理等化学转化膜的形成机理,对于转化膜的性能进行了评价,展望了镁合金化学转化膜的发展趋势。The treatment techniques for chromium free chemical conversion coatings on magnesium alloys were reviewed,and the film formation mechanisms in phosphate,stannate,permanganate,rare earth salt and phytic acid solutions were introduced.Properties of the conversion coatings were evaluated.The developing trends of chemical conversion coatings for magnesium alloys were put forward.

关 键 词：镁合金 成膜机理 化学转化膜 耐蚀性 

分 类 号：TQ153.2[化学工程—电化学工业]