방오도료 도막의 마모율과 분극특성의 상관관계에 관한 평가
Evaluation on the Rlationship between Wear Ratio and Polarization Characteristics of Anti-Fouling Paint
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Recently, anti-fouling paints which does not include the poison components such as tin(Sn), copper(Cu) havebeen 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 economicalpoint of view. In this study, five types of anti-fouling paints as self polishing type were investigated on therelationship between their polarization characteristics and wear ratios. It was verified that there was apparentlya good relationship between the wear ratio and polarization characteristics, for example, the wear ratio increasedwith increasing the impedance ratio, and increased or decreased with the corrosion potential shifting in the negativeor positive direction respectively. In addition, the wear ratio decreased with decreasing the corrosion currentdensity. Consequently, it is suggested that we can qualitatively expect the wear ratio by only measuring thepolarization characteristics. Therefore, before the examination of the wear ratio was actually carried out in thefield, the evaluation of polarization property in the laboratory may give a available reference data for their developments.
Abstract
Recently, anti-fouling paints which does not include the poison components such as tin(Sn), copper(Cu) havebeen 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 economicalpoint of view. In this study, five types of anti-fouling paints as self polishing type were investigated on therelationship between their polarization characteristics and wear ratios. It was verified that there was apparentlya good relationship between the wear ratio and polarization characteristics, for example, the wear ratio increasedwith increasing the impedance ratio, and increased or decreased with the corrosion potential shifting in the negativeor positive direction respectively. In addition, the wear ratio decreased with decreasing the corrosion currentdensity. Consequently, it is suggested that we can qualitatively expect the wear ratio by only measuring thepolarization characteristics. Therefore, before the examination of the wear ratio was actually carried out in thefield, the evaluation of polarization property in the laboratory may give a available reference data for their developments.
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