镀锌层表面H_4PM_(011)VO_(40)杂多酸转化膜的研究  

Studies on H4PMo11VO4o Heteropolyacid Conversion Film on Zinc-plating Coating

作　　者：方景礼[1] 韩克平[1] 王济奎[2] 

机构地区：[1]南京大学应用化学研究所 [2]南京化工大学应用化学系

出　　处：《表面技术》1996年第4期15-16,共2页Surface Technology

摘　　要：利用浸渍法在镀锌层表面获得了钼钒磷杂多酸转化膜,加速腐蚀试验结果证实了膜层具有良好的耐蚀性。XPS和AES分析结果表明,膜层由O、Mo、P、V、Zn等元素组成;相对原子百分含量（A.C.％）为:O 45.8,Mo 35.7,P 9.2,V 3.9,Zn 5.4;在膜层中P以P（Ⅴ）,Mo在Mo（Ⅴ）、Mo（Ⅳ）,V以V（Ⅲ）,V（Ⅳ）等形式存在。A H4PMo11VO40 heteropolyacid conversion film was formed on the zinc-plating coating by immersion treatment. The accelerated corrosion tests revealed the good anticorrosive property of the film. The results of XPS and AES showed that the film was composed of O,Mo,P,V,and Zn.and the relative atomic percent content (A. C. %) of the film was O 45. 8.Mo 35. 7,P 9. 2 and Zn 5. 4.and the P existed as P(V), Mo Existed as three valence states of Mo( V ) ,Mo( Ⅳ )and Mo( I ) ,V existed as two valence states of V( Ⅳ )and V( I ).

关 键 词：镀锌 杂多酸 转化膜 镀层 电镀 

分 类 号：TQ153.15[化学工程—电化学工业]