发明授权
- 专利标题: Metal-coated steel sheet
- 专利标题(中): 金属涂层钢板
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申请号: US13880462申请日: 2011-10-21
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公开(公告)号: US09175375B2公开(公告)日: 2015-11-03
- 发明人: Myung-Soo Kim , Ju-Youn Lee , Young-Ha Kim , Jong-Sang Kim
- 申请人: Myung-Soo Kim , Ju-Youn Lee , Young-Ha Kim , Jong-Sang Kim
- 申请人地址: KR Pohang-si
- 专利权人: POSCO
- 当前专利权人: POSCO
- 当前专利权人地址: KR Pohang-si
- 代理机构: The Webb Law Firm
- 优先权: KR10-2010-0103043 20101021
- 国际申请: PCT/KR2011/007914 WO 20111021
- 国际公布: WO2012/053871 WO 20120426
- 主分类号: B32B15/04
- IPC分类号: B32B15/04 ; B32B15/18 ; C23C2/04 ; C23C30/00 ; C23C2/02 ; C23C2/06 ; C09D1/00
摘要:
Provided is a metal coated steel sheet having a coating layer including a metal having a level of Gibbs free energy equal to that of Fe or above and an oxide thereof. Accordingly, the quality of a plated steel sheet may be improved by preventing the generation of bare spots through inhibition of the formation of Mn oxide, Si oxide, or Al oxide on the surface thereof, and simultaneously, the complexity of a manufacturing facility or an increase in manufacturing costs may be minimized. Economic benefits are thus realized.
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