| 发明名称 |
Single crystal superalloy articles with reduced grain recrystallization |
| 摘要 |
A single crystal casting is cast from a low carbon nickel base superalloy and heat treated in a carburizing atmosphere to introduce carbon into the casting and form carbides therein that reduce or localize grain recrystallization in the single crystal casting during heat treating. <IMAGE> |
| 申请公布号 |
EP1038982(A1) |
申请公布日期 |
2000.09.27 |
| 申请号 |
EP20000105884 |
申请日期 |
2000.03.20 |
| 申请人 |
HOWMET RESEARCH CORPORATION |
发明人 |
CORRIGAN, JOHN;VOGT, RUSSELL G.;MIHALISIN, JOHN R.;SCHMIEDEKNECHT, DEAN L. |
| 分类号 |
B22D21/00;C22C19/05;C22F1/00;C22F1/02;C22F1/10;C23C8/20;F27D7/00;F27D7/02 |
主分类号 |
B22D21/00 |
| 代理机构 |
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代理人 |
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