| Corrosion resistance of electroplated Zn-Co alloy coating |
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| 引用本文： | 安茂忠,杨哲龙,张景双,李文良,屠振密. Corrosion resistance of electroplated Zn-Co alloy coating[J]. 中国有色金属学会会刊, 2002, 12(1): 98-101 |
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| 作者姓名： | 安茂忠 杨哲龙 张景双 李文良 屠振密 |
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| 作者单位： | DepartmentofAppliedChemistry,HarbinInstituteofTechnology,Harbin150001,China |
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| 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 such a high corrosion resistance is that its corrosive product has a comparatively great role in depressing the corrosive process.
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| 关 键 词： | 耐蚀性 电镀 Zn-Co合金镀层 锌钴 |
Corrosion resistance of electroplated Zn-Co alloy coating |
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| Abstract: | By the NSS test and the test in SO2 gas atmosphere and detecting the corr-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 such a high corrosion resistance is that its corrosive product has a comparatively great role in depressing the corrosive process. |
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| Keywords: | electroplating Zn Co alloy corrosion resistance |
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