发明公开
- 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: US20230150035A1公开(公告)日: 2023-05-18
- 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-shi, Hyogo
- 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-shi, Hyogo; JP Osaka-shi, Osaka
- 国际申请: PCT/JP2020/017712 2020.04.24
- 进入国家日期: 2022-07-15
- 主分类号: B23B27/14
- IPC分类号: B23B27/14 ; C22C29/08
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
- US11992882B2 Cutting tool 公开/授权日:2024-05-28
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