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An Electrochemical Evaluation of the Corrosion Properties of the Steel with the Type and the Thickness of Metallizing Coatings
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 Title & Authors
An Electrochemical Evaluation of the Corrosion Properties of the Steel with the Type and the Thickness of Metallizing Coatings
Kang, Myeong-Sik; Eom, Sung-Hyun; Cho, Yeon-Chul; Ahn, Jae-Woo; Kim, Seong-Soo; Lee, Jeong-Bae;
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 Abstract
Steel structures exposed to extremely corrosive environment like marine environments and industrial area are generally manufactured by applying various protection treatment to increase their lifetime. Metal spraying is one of the protection methods to overcome some drawbacks of the widely employed technologies. Therefore, lots of research needs to be done to improve the corrosion resistance of steel structures. In this study, the corrosion resistance of steel structures was evaluated with the variation in the type and thickness of metal spray by measuring the corrosion potential and current density. As a raw material for spraying, Zn, Al and their mixture were employed to obtain coating thickness of . Our data indicated that the pure zinc coating with showed the lowest corrosion potential. In the case of pure Al and Zn 85%-Al 15%, the corrosion potential and current density was decreased compared to pure zinc. It was found that the corrosion potential was decreased with the increase of coating thickness irrespective of the type of the coating.
 Keywords
Metal spray;Corrosion resistance;Corrosion potential;Corrosion current density;
 Language
Korean
 Cited by
 References
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