发明名称 |
Hard sintered body for tool |
摘要 |
A hard sintered body for a tool contains 25 to 47 vol. % of cBN, 40 to 70 vol. % and especially less than 45 vol. % in total of a carbo-nitride, and a boride of Ti, and 2 to 20 vol. % in total of a boride and a nitride of Al. In the carbo-nitride of Ti, the ratio of carbon to nitrogen is in the range of 60:40 to 30:70. In this hard sintered body, cBN particles are bonded to each other through binder phases. The obtained hard sintered body for a tool is excellent in wear resistance and chipping resistance for high-speed cutting of hardened steel.
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申请公布号 |
US6001757(A) |
申请公布日期 |
1999.12.14 |
申请号 |
US19970941454 |
申请日期 |
1997.09.30 |
申请人 |
SUMITOMO ELECTRIC INDUSTRIES, LTD. |
发明人 |
FUKAYA, TOMOHIRO;NAKAI, TETSUO |
分类号 |
C04B35/56;C04B35/58;C04B35/583;C04B35/5831;C22C29/16;(IPC1-7):C04B35/583 |
主分类号 |
C04B35/56 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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