发明名称 |
SINTERKARBID, VERFAHREN ZU DESSEN HERSTELLUNG UND SINTERKARBIDWERKZEUGE |
摘要 |
In a cemented carbide, at least one compound 3 comprised of a carbide, a nitride or carbo-nitride of at least one selected from IVa, Va and VIa group elements or solid solution thereof exists in at least part of WC crystal grains 1. Compound 3 is a compound comprised of a carbide, a nitride or a carbo-nitride of Ti, Zr, Hf or W or solid solution thereof, having average grain diameter smaller than 0.3 mu m. <IMAGE> |
申请公布号 |
DE69739311(D1) |
申请公布日期 |
2009.04.30 |
申请号 |
DE1997639311 |
申请日期 |
1997.12.11 |
申请人 |
SUMITOMO ELECTRIC INDUSTRIES LTD. |
发明人 |
MORIGUCHI, HIDEKI;IKEGAYA, AKIHIKO |
分类号 |
C22C29/02;C22C1/05;C22C29/08 |
主分类号 |
C22C29/02 |
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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