| 发明名称 |
Method for making investment casting molds for casting of superalloys |
| 摘要 |
A metastable mullite phase is formed in the physical structure of investment casting molds by employing alumina flour of a particle size less than 100 microns.
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| 申请公布号 |
US4026344(A) |
申请公布日期 |
1977.05.31 |
| 申请号 |
US19760698871 |
申请日期 |
1976.06.23 |
| 申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
GRESKOVICH, CHARLES D. |
| 分类号 |
B22C9/04;(IPC1-7):B22C9/12 |
主分类号 |
B22C9/04 |
| 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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