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실리콘 타입 방오 도료의 해양 침지에 의한 방오 성능 평가 및 해수 침식(Erosion)에 의한 신뢰성 평가 연구
양인모(Inmo Yang),강미정(Mijung Kang),이선묵(Sunmook Lee),김현아(Hyun-A Kim),김상석(Sangseok Kim) 한국신뢰성학회 2020 신뢰성응용연구 Vol.20 No.1
Purpose: The degradation behavior of self polishing coatings (SPCs) and silicone-based antifouling coatings were compared to assess and predict their field-use longevities in response to seawater erosion. The performances of the anti-fouling coatings were investigated by placing test samples in a seawater environment. Methods: The test specimens were rotated at 6 knots (11 ㎞/h) in 820 L of seawater for 1 year (Seawater Exposure Test Site, Ansan). The anti-fouling performances were then assessed based on the area of the test specimen contaminated by seawater. Results: The silicone-based anti-fouling coatings exhibited higher longevity at approximately 2.7 times that of SPCs. Conclusion: The field use longevity, life distribution, and statistical parameters obtained in this study are highly useful for the design of ships and offshore structsures to improve their longevity and maintenance period.