| 发明名称 |
Method of producing silicon nitride powders. |
| 摘要 |
<p>A method of producing silicon nitride powders having a high alpha -Si3N4 content and a fine and uniform particle size is disclosed, which comprises mixing SiO powder with C powder and, if necessary, Si powder and/or Si3N4 powder, and then firing at 1,400-1,800 DEG C in a nitriding atmosphere having N2 partial pressure of not less than 2 atmospheric pressures.</p> |
| 申请公布号 |
EP0206795(A2) |
申请公布日期 |
1986.12.30 |
| 申请号 |
EP19860304810 |
申请日期 |
1986.06.23 |
| 申请人 |
KAWASAKI STEEL CORPORATION |
发明人 |
UENOSONO, SATOSHI TECHNICAL RESEARCH DIVISION;FUNAHASHI, TOSHIHIKO TECHNICAL RESEARCH DIVISION;UCHIMURA, RYOJI TECHNICAL RESEARCH DIVISION;OGUCHI, YUKIO TECHNICAL RESEARCH DIVISION |
| 分类号 |
C01B21/068;C04B35/591;C04B35/593;(IPC1-7):C01B21/068;C04B35/58 |
主分类号 |
C01B21/068 |
| 代理机构 |
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