发明名称 |
Mit einer zinkhaltigen Schicht versehenes Stahlblech und Verfahren zu seiner Herstellung |
摘要 |
A zinciferous coated steel sheet comprises a steel sheet, a zinciferous coating layer formed on the steel sheet, a Fe-Ni-Zn-O film formed on the zinciferous coating layer, and an oxide layer formed on a surface portion of the Fe-Ni-Zn-O film. The method comprises providing an electrolyte of an acidic sulfate aqueous solution, carrying out an electrolysis treatment in the electrolyte under a current density ranging from 1 to 150 A/dm<2>, and carrying out an oxidation treatment to a surface of the zinciferous coated steel sheet. <IMAGE> |
申请公布号 |
DE69809486(D1) |
申请公布日期 |
2003.01.02 |
申请号 |
DE1998609486 |
申请日期 |
1998.03.19 |
申请人 |
NKK CORP., TOKIO/TOKYO |
发明人 |
HASHIMOTO, SATOSHI;IMOKAWA, TORU;SAKURAI, MICHITAKA;URAKAWA, TAKAYUKI;INAGAKI, JUNICHI;SAGIYAMA, MASARU;NOMURA, SYUJI |
分类号 |
C23C28/00;C25D3/56;C25D5/10;C25D5/48;C25D9/04;(IPC1-7):C25D3/56;C23C30/00 |
主分类号 |
C23C28/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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