Corrosion resistance of electroplated Zn-Co alloy coating

被引：0
|
作者：
An, Mao-Zhong [1 ]
Yang, Zhe-Long [1 ]
Zhang, Jing-Shuang [1 ]
Li, Wen-Liang [1 ]
Tu, Zhen-Mi [1 ]
机构：
[1] Dept. of Appl. Chem., Harbin Inst. of Technol., Harbin 150001, China
来源：
Transactions of Nonferrous Metals Society of China (English Edition) | 2002年 / 12卷 / 01期
关键词：
Cobalt alloys - Corrosion resistance - Electroplated products;
D O I：
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中图分类号：
学科分类号：
摘要：
By the NSS test and the test in SO2 gas atmosphere and detecting the Φcorr-t curves, Rp-t curves and the cyclic voltammogram curves, the corrosion resistance of the electroplated Zn-Co alloy coating was studied. The corrosion resistance of the electroplated Zn-Co alloy coating is three times higher than that of the galvanized coating . Because the corrosion resistance of the Zn-Co alloy coating is especially remarkable in SO2 gas atmosphere, it is particularly fit to be used as a protective coating in industrial atmosphere. The reason why the Zn-Co alloy coating has high corrosion resistance is that its corrosive product has a comparatively great role in depressing the corrositive process.
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页码：98 / 101
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