发明名称 |
SURFACE TREATMENT METHOD FOR METAL MATERIAL AND MOLD TREATED BY SURFACE TREATMENT METHOD |
摘要 |
A surface treatment method for a metal material is provided which includes applying diluted sulfuric acid to a surface of the metal material that is composed primarily of iron, performing a heat treatment on the metal material in the presence of at least one of CO, C02 and organic gas under nitriding conditions under which a nitrided layer is formed in a superficial layer of the metal material after the application of the diluted sulfuric acid to form a carbon film which includes at least one of carbon nanocoils, carbon nanotubes and carbon nanofilaments on a surface of the nitrided layer of the metal material. |
申请公布号 |
CA2833814(C) |
申请公布日期 |
2016.07.05 |
申请号 |
CA20122833814 |
申请日期 |
2012.04.12 |
申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA;TOYOTA SCHOOL FOUNDATION;MEC INTERNATIONAL CO., LTD. |
发明人 |
FURUKAWA, YUICHI;OKUMIYA, MASAHIRO;TSUNEKAWA, YOSHIKI;KUMEMOTO, NAO;KAWAHARA, FUMIO;TAKAMI, KATSUHIRO |
分类号 |
B22C3/00;B22C9/12;B22D17/20;C01B31/02;C21D1/68;C21D1/74 |
主分类号 |
B22C3/00 |
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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