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Research progress of chromate-free surface treatment technology on aluminum and its alloys
Pages: 34-36,39
Year: Issue:  6
Journal: Electroplating & Finishing

Keyword:  铝及铝合金表面处理化学转化膜耐蚀性能;
Abstract: 综述了铝及铝合金无铬表面处理技术,包括锆钛类处理、硅烷处理,稀土转化膜、高锰酸盐转化膜、钴盐转化膜、锂盐转化膜、有机酸转化膜等.目前在实践中获得应用的有锆钛转化处理和硅烷处理,但尚无一种无铬处理工艺能够完全代替铬酸盐处理工艺.
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