AMINO-TRIS-(METHYLENEPHOSPHONIC ACID)LAYERS ADSORPTION ON AA6061 ALUMINUM ALLOY

被引：0
|
作者：
S.H. Wang1)
机构：
来源：
ActaMetallurgicaSinica(EnglishLetters) | 2008年 / 05期
关键词：
Amino-tri-(methylenephosphonic acid) layer; Organophosphonate; Aluminum alloy; Corrosion resistance;
D O I：
暂无
中图分类号：
TG146.21 [];
学科分类号：
摘要：
The amino-tri-(methylenephosphonic acid) layers were adsorbed on the surface of AA6061 aluminum alloy for improving the lacquer adhesion and corrosion inhibition as a substitute for chromate coatings. The surface structure and characteristic of the amino-tri-(methylenephosphonic acid) layers on AA6061 aluminum alloy were investigated by means of XPS and ATR-FTIR analysis. The analyzed results showed that the amino-tri-(methylenephosphonic acid) adsorption layers adsorb on the surface of aluminium alloy via acid-base interaction in a bi-dentate conformation. After the amino-tri-(methylenephosphonic acid) layers were coated with epoxy resin, the layers showed good adhesive strength and favorable corrosion resistance in contrast to chromate coatings.
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页码：355 / 361
页数：7
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