Surface characteristics of chemical conversion coating for Mg-Al alloy

被引：13

作者：

Okido, Masazumi ^{[2
]}

Ichino, Ryoichi ^{[2
]}

Kim, Seong-Jong ^{[1
]}

Jang, Seok-Ki ^{[1
]}

机构：

[1] Mokpo Maritime Univ, Div Marine Engn, Mokpo 530729, Jeonnam, South Korea

[2] Nagoya Univ, Nagoya, Aichi 4648603, Japan

来源：

TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2009年 / 19卷 / 04期

关键词：

chemical conversion coating; Mg alloy; salt spray test; alkali treatment; FILMS;

D O I：

10.1016/S1003-6326(08)60372-6

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The chemical conversion coating was formed on Mg alloy for low cost and harmlessness in environment by using the colloidal silica as the main component. The film formed at 298 K was thick, which was thought to be the combination of Si and O. In salt spray test, the ratio of black rust on the specimen that did not conducted chemical conversion treatment was five times or more than those of the chemical conversion treated specimen. The film of chemical conversion coating produced by alkali treatment process was thinner than the specimen produced in basic chemical conversion treatment solution.

引用

页码：892 / 897

页数：6

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