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논문 기본 정보

저자정보
(금오공과대학교) (금오공과대학교) (금오공과대학교)
저널정보
한국소성·가공학회 소성·가공 소성가공 제28권 제2호(통권 제180호)
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    초록·키워드

    Corrosion resistance is one of the essential properties required in steel bolts. The various types of coatings are used to improve the corrosion resistance of steel bolts. But, roll formed, subsequently Zn alloy electrodeposited and top coated steel bolt easily takes place the white storage stain or white rust under high humidity condition. To investigate the corrosion resistance of roll formed and subsequently the various types of coated steel bolts, their polarization curves were measured by potentio-dynamic tester in this study. Based on the measured polarization curves, the more times of chromate and top coating on roll formed steel bolt, the higher corrosion resistance was shown. The roll formed steel bolt, which was Zn-Ni electro-deposited, two times chromated, one time inorganic top coated, one time organic top coated and annealed, showed the best corrosion resistance.

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      UCI(KEPA) : I410-ECN-0101-2019-551-000766235