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Acta Metall Sin  2004, Vol. 40 Issue (7): 749-753     DOI:
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STUDY OF THE ELECTROCHEMICAL BEHAVIORS OF THE ZINC--RICH PAINTS BASED MULTILAYER ORGANIC COATINGS IN NaCl SOLUTION
XIE Deming; TONG Shaoping; HU Jiming; ZHENG Yi; WANG Jianming; ZHANG Jianqing
Institute for Thermal Power Engineering; Zhejiang University; Hangzhou 310029
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XIE Deming; TONG Shaoping; HU Jiming; ZHENG Yi; WANG Jianming; ZHANG Jianqing. STUDY OF THE ELECTROCHEMICAL BEHAVIORS OF THE ZINC--RICH PAINTS BASED MULTILAYER ORGANIC COATINGS IN NaCl SOLUTION. Acta Metall Sin, 2004, 40(7): 749-753 .

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Abstract  The electrochemical behaviors of the zinc--rich paints based multilayer organic coatings in 3.5% NaCl solution were studied. The results show that the zinc powder has a minor cathodic protection effect. The protection effect is due to the repair of holes by the corrosion product of zinc powder. Under the epoxy topcoat, the corrosion rate of the zinc powder in inorganic zinc--rich coatings is faster than that in organic type.
Key words:  zinc--rich paint      epoxy coating      multi--layer coating      
Received:  10 July 2003     
ZTFLH:  TG174.36  

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https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y2004/V40/I7/749

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