발간논문

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Vol.36, No.4, 539 ~ 546, 1998
Title
Effects of Ni Addition on the Precipitate Formation in Hot Dipped Galvanizing Bath
기회봉 , 소인영 , 이경구 , 진영구 , 이도재 Whe Bong Ghi , In Yeong Sho , Kyung Ku Lee , Young Goo Jin , Doh Jae Lee
Abstract
The purpose of this study is to make clear the effects of Ni on the behavior of precipitate formation in Vi added galvanizing bath, which has various Ni contents from 0.03wt% to 0.5wt%. The morphology of the precipitate changed with Ni addition from a needle like rectangular ζ-phase to a globular polygonal Zn-Fe-Ni phase. Al addition in Ni containing Zn-bath resulted in forming the Al-Ni intermetallic compounds such as Al₃Ni₂ and Al₂Ni which consist most of top precipitates. In the range of higher content of 0.07wt% Vi in Zn-bath, Al-Ni intermetallic compound was formed sensitively with small amount of Al addition.
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