发明授权
- 专利标题： Coated cutting tool
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申请号： US17076038申请日： 2020-10-21
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公开(公告)号： US11305357B2公开(公告)日： 2022-04-19
- 发明人: Katsuya Ishii
- 申请人： TUNGALOY CORPORATION
- 申请人地址： JP Fukushima
- 专利权人： TUNGALOY CORPORATION
- 当前专利权人： TUNGALOY CORPORATION
- 当前专利权人地址： JP Fukushima
- 代理机构： Studebaker & Brackett PC
- 优先权： JPJP2019-228993 20191219
- 主分类号： C23C16/36
- IPC分类号： C23C16/36 ; B23B27/14 ; C23C28/04 ; C23C16/30 ; C23C16/32 ; C23C16/40
摘要：
A coated cutting tool of the present invention comprises a substrate and a coating layer formed on a surface of the substrate, wherein the coating layer comprises a lower layer and an upper layer formed on a surface of the lower layer, the lower layer comprises a specified Ti compound layer having a specified average thickness, the upper layer comprises an α-aluminum oxide layer having a specified average thickness, the Ti compound layer comprises at least one Ti carbonitride layer, the Ti carbonitride is composed of Ti(CxN1-x) (0.65
公开/授权文献
- US20210187621A1 COATED CUTTING TOOL 公开/授权日：2021-06-24