发明名称 |
Lightweight silicon oxynitride |
摘要 |
A lightweight insulating refractory shape is made of Si2ON2 having a density of less than 50% of theoretical, a relatively high compressive strength, a low thermal conductivity and high resistance to attack by chlorine, fused chlorides and molten aluminum.
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申请公布号 |
US4043823(A) |
申请公布日期 |
1977.08.23 |
申请号 |
US19750597821 |
申请日期 |
1975.07.21 |
申请人 |
NORTON COMPANY |
发明人 |
WASHBURN, MALCOLM E.;HARTLINE, STEPHEN D. |
分类号 |
C04B35/584;C04B35/591;C04B38/00;C25C3/08;(IPC1-7):C04B35/48 |
主分类号 |
C04B35/584 |
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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