发明授权
- 专利标题： Surface-covered cubic boron nitride sintered body tool and method of manufacturing the same
- 专利标题（中）： 表面立方氮化硼烧结体工具及其制造方法
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申请号： US11579138申请日： 2005-02-28
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公开(公告)号： US08178220B2公开(公告)日： 2012-05-15
- 发明人: Katsumi Okamura , Satoru Kukino , Tomohiro Fukaya
- 申请人： Katsumi Okamura , Satoru Kukino , Tomohiro Fukaya
- 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
- 代理机构： McDermott Will & Emery LLP
- 优先权： JP2004-136816 20040430
- 国际申请： PCT/JP2005/003295 WO 20050228
- 国际公布： WO2005/105348 WO 20051110
- 主分类号： B32B9/00
- IPC分类号： B32B9/00
摘要：
A surface-covered CBN sintered body tool includes a base material formed with a cubic boron nitride (CBN) sintered body and a surface covering film covering a surface of the base material, and has a nega-land exposing the CBN sintered body in at least a portion thereof and a flank having the surface covering film formed thereon. With this, the surface-covered CBN sintered body tool having high defect resistance and wear resistance can be provided. The surface covering film preferably includes a nitride or a carbonitride of a compound including at least one element selected from the group consisting of Ti, Cr, Zr, and V and at least one element selected from the group consisting of Al, Si and B, or a nitride or a carbonitride of Ti.
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