发明名称 |
Sintered silicon nitride, cutting tip, wear-resistant member, cutting tool, and method for producing sintered silicon nitride |
摘要 |
<p>Sintered silicon nitride containing silicon nitride substantially as a primary component and substantially no Al2O3, containing at least one element selected from among a Group 4 element of the periodic table, a rare earth element, and Mg, wherein the amount of the selected element as converted to its oxide is at least 0.5 mol% and less than 2.6 mol% on the basis of the entirety of the sintered silicon nitride. <IMAGE></p> |
申请公布号 |
EP1382589(A1) |
申请公布日期 |
2004.01.21 |
申请号 |
EP20030253716 |
申请日期 |
2003.06.12 |
申请人 |
NGK SPARK PLUG CO., LTD. |
发明人 |
ABUKAWA, KOHEI;AKAHORI, YASUSHI |
分类号 |
B23C5/22;C04B35/593;(IPC1-7):C04B35/593 |
主分类号 |
B23C5/22 |
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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