镁合金表面化学转化膜研究进展  

Research progress of chemical conversion coatings on magnesium alloys

作　　者：金和喜[1] 王日初[1] 彭超群[1] 冯艳[1] 石凯[1] 陈彬[1] 

机构地区：[1]中南大学材料科学与工程学院,长沙410083

出　　处：《中国有色金属学报》2011年第9期2049-2059,共11页The Chinese Journal of Nonferrous Metals

摘　　要：总结镁合金表面化学转化膜的研究现状,介绍铬酸盐转化膜、锡酸盐转化膜、磷酸盐/高锰酸盐转化膜、稀土转化膜、植酸转化膜和钼酸转化膜的处理工艺,讨论磷酸盐/高锰酸盐转化膜的成膜机理,分析各种化学转化膜的优缺点,展望今后镁合金表面化学转化膜的发展方向。The research progress of the chemical conversion coatings on magnesium alloys was summarized and the treatment technologies of chromate films,stannate films,phosphate/permanganate films,rare-earth films and phytate films were reviewed.The formation mechanisms of the phosphate/permanganate conversion films were discussed.The merits and demerits of the various coatings were analyzed.And the developmental trends of the chemical conversion coatings on magnesium alloys were proposed.

关 键 词：镁合金 化学转化膜 腐蚀防护 磷酸盐 

分 类 号：TG146[一般工业技术—材料科学与工程]