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AMINO-TRIS-(METHYLENEPHOSPHONIC ACID) LAYERS ADSORPTION ON AA6061 ALUMINUM ALLOY
作者姓名:S.H. Wang  ;C.S. Liu  ;F.J. Shan  ;G.C. Qi
作者单位:[1]Key Laboratory for Anisotropy and Texture of Materials, Ministry of Education, Northeastern University, Shenyang 110004, China; [2]Material& Chemical Engineering College, Liaoning University of Technology, Jinzhou 121001, China
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.

关 键 词:铝合金  抗腐蚀性  有机膦酸盐  氨基-三-亚甲基磷酸
收稿时间:2007-12-10
修稿时间:2008-04-02

AMINO-TRIS-(METHYLENEPHOSPHONIC ACID)LAYERS ADSORPTION ON AA6061 ALUMINUM ALLOY
S.H. Wang,;C.S. Liu,;F.J. Shan,;G.C. Qi.AMINO-TRIS-(METHYLENEPHOSPHONIC ACID)LAYERS ADSORPTION ON AA6061 ALUMINUM ALLOY[J].Acta Metallurgica Sinica(English Letters),2008,21(5):355-361.
Authors:SHWang  CSLiu  FJShan  GCQi
Affiliation:1. Key Laboratory for Anisotropy and Texture of Materials,Ministry of Education,Northeastern University,Shenyang 110004,China
2. Key Laboratory for Anisotropy and Texture of Materials,Ministry of Education,Northeastern University,Shenyang 110004,China;Material & Chemical Engineering College,Liaoning University of Technology,Jinzhou 121001,China
Abstract: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 PiPS 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.
Keywords:Amino-tri-(methylenephosphonic acid) layer  Organophasphonate  Aluminum alloy  Corrosion resistance
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