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http://dx.doi.org/10.14773/cst.2014.13.1.15

Evaluation on the Rlationship between Wear Ratio and Polarization Characteristics of Anti-Fouling Paint  

Jeong, Jae-Hun (Dept. of Mechanical & Energy System Engineering, Korea Maritime and Ocean Univ.)
Moon, Kyung-Man (Dept. of Marine Equipment Engineering, Korea Maritime and Ocean Univ.)
Won, Jong-Pil (Dept. of Marine Equipment Engineering, Korea Maritime and Ocean Univ.)
Park, Dong-Hyun (Dept. of Marine Equipment Engineering, Korea Maritime and Ocean Univ.)
Kim, Yun-Hae (Dept. of Marine Equipment Engineering, Korea Maritime and Ocean Univ.)
Kim, Hyun-Myung (ByuckSan Paint & Coating co, Ltd.)
Lee, Myeong-Hoon (Dept. of Marine System Engineering, Korea Maritime and Ocean Univ.)
Baek, Tae-Sil (Dept. of Steel Industry, Pohang College)
Publication Information
Corrosion Science and Technology / v.13, no.1, 2014 , pp. 15-19 More about this Journal
Abstract
Recently, anti-fouling paints which does not include the poison components such as tin(Sn), copper(Cu) have been increasingly developed in order to inhibit the environmental contamination of the sea water. Moreover, the wear ratios of these anti-fouling paints are very important problem to prolong their life time in economical point of view. In this study, five types of anti-fouling paints as self polishing type were investigated on the relationship between their polarization characteristics and wear ratios. It was verified that there was apparently a good relationship between the wear ratio and polarization characteristics, for example, the wear ratio increased with increasing the impedance ratio, and increased or decreased with the corrosion potential shifting in the negative or positive direction respectively. In addition, the wear ratio decreased with decreasing the corrosion current density. Consequently, it is suggested that we can qualitatively expect the wear ratio by only measuring the polarization characteristics. Therefore, before the examination of the wear ratio was actually carried out in the field, the evaluation of polarization property in the laboratory may give a available reference data for their developments.
Keywords
anti-fouling paint; self polishing type; polarization characteristics; wear ratio; impedance; corrosion potential;
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