Influence of surface roughness on performance of zinc-rich paint coatings

被引：0
|
作者：
Xie, De-Ming [1 ]
Wang, Jian-Ming [1 ]
Hu, Ji-Ming [1 ]
Zhang, Jian-Qing [1 ,2 ]
机构：
[1] Dept. of Chem., Zhejiang Univ., Hangzhou 310027, China
[2] Inst. of Metal Res., Chinese Acad. of Sci., Shenyang 110016, China
来源：
Transactions of Nonferrous Metals Society of China (English Edition) | 2002年 / 12卷 / 06期
关键词：
Corrosion protection - Corrosion resistance - Electrochemical corrosion - Steel corrosion - Surface roughness - Zinc;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The influence of surface roughness on the performance of zinc-rich paint(ZRP) coatings was studied. Electrochemical impedance spectroscopy (EIS) measurements were used to assess the corrosion prevention performance of the ZRP coatings. Furthermore, the EIS data of the steel-ZRP-sea water system were interpreted according to equivalent circuit models and the corresponding parameters were derived to assess the coating deterioration with time. The results show that the rougher surface favors better protection effect of the ZRP coatings. The protection potential of ZRP coatings for the standards and codes of practice is -0.78V (vs SCE).
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页码：1036 / 1039
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