发明授权
US09416304B2 Cubic boron nitride complex polycrystal and manufacturing method therefor, and cutting tool, wire-drawing die and grinding tool 有权
立方氮化硼复合多晶及其制造方法,以及切割工具,拉丝模和研磨工具

  • 专利标题: Cubic boron nitride complex polycrystal and manufacturing method therefor, and cutting tool, wire-drawing die and grinding tool
  • 专利标题(中): 立方氮化硼复合多晶及其制造方法,以及切割工具,拉丝模和研磨工具
  • 申请号: US14241362
    申请日: 2012-08-24
  • 公开(公告)号: US09416304B2
    公开(公告)日: 2016-08-16
  • 发明人: Yuh IshidaHitoshi Sumiya
  • 申请人: Yuh IshidaHitoshi Sumiya
  • 申请人地址: JP Osaka-shi
  • 专利权人: Sumitomo Electric Industries, Ltd.
  • 当前专利权人: Sumitomo Electric Industries, Ltd.
  • 当前专利权人地址: JP Osaka-shi
  • 代理机构: Venable LLP
  • 代理商 Michael A. Sartori; David M. Klecyngier
  • 优先权: JP2011-187450 20110830; JP2011-187451 20110830
  • 国际申请: PCT/JP2012/071428 WO 20120824
  • 国际公布: WO2013/031681 WO 20130307
  • 主分类号: C09K3/14
  • IPC分类号: C09K3/14 C04B35/5831 C04B35/645
Cubic boron nitride complex polycrystal and manufacturing method therefor, and cutting tool, wire-drawing die and grinding tool
摘要:
A cubic boron nitride complex polycrystal contains granular cubic boron nitride and tabular cubic boron nitride. The average grain size of the granular cubic boron nitride is 500 nm or less. The maximum value of a short side of the tabular cubic boron nitride is 10 nm or more to 10000 nm or less. Thereby, it is possible to provide a cubic boron nitride complex polycrystal having high hardness and a manufacturing method therefor, a cutting tool, a wire-drawing die and a grinding tool including the same.
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