실내 가속부식시험을 통한 해양 강관합성 말뚝의 방식 기법 수명 평가

박종원; 이종구; 이경황; 김진홍; 정문경; 이주형

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자료유형: 학술저널

저자정보: 박종원 이종구 이경황 김진홍 정문경 이주형

저널정보: 한국부식방식학회 Corrosion Science and Technology Corrosion Science and Technology 제8권 제6호

발행연도: 2009.1

수록면: 244 - 251 (8page)

이용수

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연구주제

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연구배경

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연구방법

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연구결과

초록· 키워드

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When a steel sheet pipe applied to marine environment, an anti-corrosive coating should be treated to obtain long-term life-time for steels, especially, splash zone. Although anti-corrosive property of coatings is required to be tested in real marine environment, it is difficult because of long test time such as 20 years or more time. Therefore, we used cyclic corrosion tester in a laboratory, which has similar conditions with salt-dry-wet process such as real marine environment. Anti-corrosive properties of the coatings and two steels were tested their anti-corrosive properties under cyclic corrosion test conditions(KS D ISO 14993) and the results were compared with estimate life-time in real marine environment. According to cyclic corrosion test, accelerated corrosive factor of each anti-corrosive coating was investigated accelerated corrosive factor from impedance with EIS method. Accelerated corrosive factor of type SS400 carbon steel and A690 was also investigated their accelerated corrosive factor from the regression curves of weigh loss results. One of the anti-corrosive coatings showed about 50 years life-time compared with standard sample life-time. Carbon steel SS400 showed from 0.1 mm/yr to 0.06 mm/yr as its corrosion rate.

#cyclic corrosion test #anti-corrosive coating #EIS #accelerated corrosion factor #estimate life-time

참고문헌 (12)

참고문헌 신청

/ 2003 / KS D ISO 14993, Korean Standards Association

B. R. Appleman / 1990 / / J. Coatings Technology 62 : 57 ~

B. Stratman / 2001 / Encyclopedia of electrochemistry / Wiley-VCH Weinheim 11 : 502 ~

C. G. Munger / 1986 / NACE, 2nd ed. Houston, Texas, 381

C. H. Hare / 2001 / SSPC, 231, 240-241, 249, 254

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