发明授权
- 专利标题: Aluminum nitride sintered body coated with alumina
- 专利标题(中): 涂有氧化铝的氮化铝烧结体
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申请号: US934285申请日: 1978-08-16
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公开(公告)号: US4203733A公开(公告)日: 1980-05-20
- 发明人: Hiroshi Tanaka , Yoshihiro Yamamoto
- 申请人: Hiroshi Tanaka , Yoshihiro Yamamoto
- 申请人地址: JPX Nagoya
- 专利权人: NGK Spark Plug Co., Ltd.
- 当前专利权人: NGK Spark Plug Co., Ltd.
- 当前专利权人地址: JPX Nagoya
- 优先权: JPX52-97509 19770816
- 主分类号: C04B41/87
- IPC分类号: C04B41/87 ; B23B27/14 ; C04B35/581 ; C04B35/626 ; C23C16/40 ; B24D3/06
摘要:
An aluminum nitride sintered body, especially suitable as a material for high-speed cutting tools, having on the surface thereof a coating of alumina crystals having an average particle diameter of about 2.5 microns or less.
公开/授权文献
- US4797029A Remotely installing a tubular string 公开/授权日:1989-01-10
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