发明授权
- 专利标题: Cutting tool
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申请号: US17793036申请日: 2020-04-24
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公开(公告)号: US11992882B2公开(公告)日: 2024-05-28
- 发明人: Haruyo Fukui , Daiji Tabayashi , Yoshihiro Saito , Kazuya Tokuda , Yoshiharu Utsumi , Hajime Takamatsu
- 申请人: Sumitomo Electric Hardmetal Corp. , Sumitomo Electric Industries, Ltd.
- 申请人地址: JP Itami
- 专利权人: SUMITOMO ELECTRIC HARDMETAL CORP.,SUMITOMO ELECTRIC INDUSTRIES, LTD.
- 当前专利权人: SUMITOMO ELECTRIC HARDMETAL CORP.,SUMITOMO ELECTRIC INDUSTRIES, LTD.
- 当前专利权人地址: JP Itami; JP Osaka
- 代理机构: XSENSUS LLP
- 国际申请: PCT/JP2020/017712 2020.04.24
- 国际公布: WO2021/214983A 2021.10.28
- 进入国家日期: 2022-07-15
- 主分类号: B32B9/00
- IPC分类号: B32B9/00 ; B23B27/14 ; C22C29/08 ; C23C14/06 ; C23C30/00
摘要:
Provided is a cutting tool that can have a long tool life even when used to cut soft metals in particular. The cutting tool comprises a base body and a hard carbon film arranged on the base body, the hard carbon film includes an amorphous phase and a graphite phase, the density of the hard carbon film is no less than 2.5 g/cm3 and no more than 3.5 g/cm3, the degree of crystallinity of the hard carbon film is no more than 6.5%, and the average coordination number of the amorphous phase is no less than 2.5 and no more than 4.
公开/授权文献
- US20230150035A1 CUTTING TOOL 公开/授权日:2023-05-18
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