环境友好型铝合金化学转化表面处理技术的发展概况  

The development of environmentally friendly aluminum alloy chemical conversion surface technology

作　　者：龚伟慧[1] 陈东初[1] 李文芳[1] 陈单明[1] 

机构地区：[1]华南理工大学材料学院,广东广州510640

出　　处：《材料研究与应用》2009年第1期1-4,共4页Materials Research and Application

基　　金：广东省科技计划项目(2007B00031800003);佛山市科技发展专项基金项目(2005040153)

摘　　要：介绍了常见的无铬转化膜处理工艺,评述了铝合金的稀土表面转化膜的研究进展,对铝合金稀土表面化学处理的耐腐蚀机理进行了总结.我国稀土资源丰富,开发环保型铝合金稀土表面处理工艺,对其在工业生产中的推广应用,具有重要的意义.In this paper common chromium-free chemical conversion film treatment technology and the development of aluminum alloy rare earth surface conversion film are introduced, also the mechanism of alu- minum alloy surface rare earth chemical treatment is summarized. It has rich rare earth resource in our country, so developing environmentally friendly aluminum alloy surface rare earth treatment technology is significant, which can extend the application in industry.

关 键 词：铝合金 稀土 表面处理 无铬化 

分 类 号：TG174[金属学及工艺—金属表面处理]