发明名称 |
METHOD FOR SURFACE TREATMENT AND TREATING MATERIAL THEREFOR |
摘要 |
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 of the bath agent adhered to the treated article, etc. |
申请公布号 |
CA1305022(C) |
申请公布日期 |
1992.07.14 |
申请号 |
CA19870541187 |
申请日期 |
1987.07.03 |
申请人 |
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO |
发明人 |
ARAI, TOHRU;OIKAWA, HATSUHIKO |
分类号 |
C23C10/24;C23C8/44;C23C10/26 |
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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