发明申请
- 专利标题： COATED CUTTING TOOL
- 专利标题（中）： 涂层切割工具
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申请号： US11721520申请日： 2005-12-09
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公开(公告)号： US20090297835A1公开(公告)日： 2009-12-03
- 发明人: Yoshio Okada , Naoya Omori , Minoru Itoh , Norihiro Takanashi , Shinya Imamura , Susumu Okuno
- 申请人： Yoshio Okada , Naoya Omori , Minoru Itoh , Norihiro Takanashi , Shinya Imamura , Susumu Okuno
- 申请人地址： JP Hyogo
- 专利权人： Sumitomo Electric Hardmetal Corp.
- 当前专利权人： Sumitomo Electric Hardmetal Corp.
- 当前专利权人地址： JP Hyogo
- 优先权： JP2004361652 20041214
- 国际申请： PCT/JP2005/022636 WO 20051209
- 主分类号： B23B27/14
- IPC分类号： B23B27/14 ; B32B9/04 ; B32B5/00
摘要：
The present invention relates to a coated cutting tool (1) including a substrate (8) and a coating (9) formed on the substrate (8), wherein the coating (9) includes a first coating (10) composed of TiCN and a second coating (ii) composed of α-Al2O3, the first coating (10) is positioned between the substrate (8) and the second coating (11) and has tensile stress S1, the second coating (11) has compressive stress S2, and the tensile stress S1 and the compressive stress S2 are defined by the following equation (I): 400 MPa≦|S2−S1|≦3500 MPa (I)
公开/授权文献
- US07972714B2 Coated cutting tool 公开/授权日：2011-07-05
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