发明授权
US4666467A High-strength metal working tool made of a zirconia-type sintered
material
失效
由氧化锆型烧结材料制成的高强度金属加工工具
- 专利标题： High-strength metal working tool made of a zirconia-type sintered material
- 专利标题（中）： 由氧化锆型烧结材料制成的高强度金属加工工具
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申请号： US719151申请日： 1985-04-02
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公开(公告)号： US4666467A公开(公告)日： 1987-05-19
- 发明人: Yoshihiro Matsumoto , Yoshitaka Kubota , Koji Tsukuma , Takaaki Tsukidate
- 申请人： Yoshihiro Matsumoto , Yoshitaka Kubota , Koji Tsukuma , Takaaki Tsukidate
- 申请人地址： JPX Shinnanyo
- 专利权人： Toyo Soda Manufacturing Co., Ltd.
- 当前专利权人： Toyo Soda Manufacturing Co., Ltd.
- 当前专利权人地址： JPX Shinnanyo
- 优先权： JPX59-67343 19840406; JPX59-94614 19840514
- 主分类号： B21C3/02
- IPC分类号： B21C3/02 ; B26D1/00 ; C04B35/488 ; C04B35/645 ; B24D3/02 ; C04B35/48
摘要：
A high strength metal working tool such as cutting tools and dies made of a zirconia-base sintered material comprising 50 to 98 weight percent of zirconia (ZrO.sub.2) containing 1.5 to 5 mol percent of yttira (Y.sub.2 O.sub.3) and 50 to 2 weight percent of alumina (Al.sub.2 O.sub.3) and/or spinel (MgAl.sub.2 O.sub.4) and having a three point bending strength of not less than 1700 MPa.
公开/授权文献
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