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논문 기본 정보

자료유형
학술저널
저자정보
최인혜 (한국해양대학교) 이훈성 (한국해양대학교) 이명훈 (한국해양대학교)
저널정보
한국표면공학회 한국표면공학회지 한국표면공학회지 제50권 제5호
발행연도
2017.10
수록면
366 - 372 (7page)

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초록· 키워드

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Plasma electrolytic oxidation(PEO) has attracted attention as a surface treatment which has high wear resistance and corrosion resistance. PEO is generally considered as cost-effective, environmentally friendly and superior in terms of coating performance. Most of studies about the PEO processes have been applied to light metals such as Al and Mg. Because the strength of Al and Mg is weaker than that of steel, there is a limit to the application. In this study, PEO process was used to form oxide coatings on Hot dipped aluminized(HDA) steel and the characteristics of the coating film according to the PEO current density were studied. The morphology was observed by SEM and component was analyzed by using EDS. The corrosion behaviors of PEO coating films were estimated by exposing salt spray test at 5 wt.% NaCl solution and measuring polarization curves in deaerated 3 wt.% NaCl solution. With the increase of PEO process current density, the pore size of the coating surface and the thickness of coating increased. It was confirmed that no Fe component was present on the coating surface. PEO coating films obviously showed good corrosion resistance compared with HDA. It is considered that the PEO coating acts as a barrier to protect the base material from external factors causing corrosion.

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Abstract
1. 서론
2. 실험장치 및 방법
3. 결과 및 고찰
4. 결론
References

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UCI(KEPA) : I410-ECN-0101-2018-581-001463199