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냉간 가공용 인산염 피막처리의 저온화에 관한 연구
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  • 냉간 가공용 인산염 피막처리의 저온화에 관한 연구
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이만식,정충택,이광호,김준호,이근대,홍성수
간행물명
한국표면공학회지
권/호정보
2003년|36권 1호|pp.59-68 (10 pages)
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한국표면공학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Zinc phosphating for cold forming of steel was studied with emphasis on decreasing phosphating temperature. To lower phosphating temperature, some techniques, such as adding Cu ion into bath, using activator in the form of pre-dip, and aeration in bath, instead of using conventional accelerator, namely oxidizing agent, have been tried. It was revealed that phosphating, leading to coatings of improved uniformity and fine crystal size, can be carried out using above techniques at lower temperature (55$^{circ}C$) compared to conventional phosphating temperature ($80∼90^{circ}C$). Under present condition, it was seen that optimum concentrations of Cu ion in phosphating bath and activator in pre-dip are 0.015 % (w/w) and 2.0 g/1, respectively. The coating weight was within the range of $15∼20 g/m^2$. When lubricant was applied into phosphating coatings, the amount of lubricating component (total soap) was found to be$ 6∼10 g/m^2$ and the lubricated panel revealed excellent lubricating properties.