发明名称 |
Method for surface treatment and treating material therefor. |
摘要 |
<p>A method and a bath agent for forming a carbide or diffusion layer on the surface of an article to be treated by immersing the article in a molten salt bath. The salt bath comprises borax, at least one oxide of a surface layer forming element (SFE) selected from the group consisting of an oxide of a Va-Group element of the Periodic Table and an oxide of chromium, and aluminum. The amounts of the SFE-oxide and of aluminum to the whole amount of the bath are 9.5 to 21.5 wt% and 4 to 7.5 wt%, respectively. The treating method provides the extended life of the bath, the facilitation of washing off the bath agent adhered to the treated article, etc.</p> |
申请公布号 |
EP0252479(A2) |
申请公布日期 |
1988.01.13 |
申请号 |
EP19870109732 |
申请日期 |
1987.07.06 |
申请人 |
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO |
发明人 |
ARAI, TOHRU;OIKAWA, HATSUHIKO NAGAKUTE-RYO 312 |
分类号 |
C23C10/24;C23C8/44;C23C10/26;(IPC1-7):C23C16/30 |
主分类号 |
C23C10/24 |
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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