发明授权
- 专利标题: Coated hard alloys
- 专利标题(中): 涂层硬质合金
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申请号: US419498申请日: 1982-09-17
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公开(公告)号: US4474849A公开(公告)日: 1984-10-02
- 发明人: Naoji Fujimori , Akira Doi , Yasuhiro Shimizu
- 申请人: Naoji Fujimori , Akira Doi , Yasuhiro Shimizu
- 申请人地址: JPX Osaka
- 专利权人: Sumitomo Electric Industries, Ltd.
- 当前专利权人: Sumitomo Electric Industries, Ltd.
- 当前专利权人地址: JPX Osaka
- 优先权: JPX56-157129 19811001
- 主分类号: C23C14/06
- IPC分类号: C23C14/06 ; B23B27/14 ; B23P15/28 ; C23C14/08 ; C23C16/30 ; C23C30/00 ; B32B15/04
摘要:
Coated hard alloys excellent in toughness and wear resistance comprise a substrate of hard alloy and at least one coating layer thereon, at least one of the coating layers being of amorphous alumina.
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