| 发明名称 |
OVERLAY COATINGS WITH HIGH YTTRIUM CONTENTS |
| 摘要 |
Overlay Coatings With High Yttrium Contents Improved coating compositions are described for the protection of superalloys at elevated temperatures. The coatings of the NiCrAlY or NiCoCrAlY type are significantly improved by the use of higher levels of yttrium. |
| 申请公布号 |
CA1209827(A) |
申请公布日期 |
1986.08.19 |
| 申请号 |
CA19820407900 |
申请日期 |
1982.07.23 |
| 申请人 |
UNITED TECHNOLOGIES CORPORATION |
发明人 |
DUVALL, DAVID S.;GUPTA, DINESH K. |
| 分类号 |
C22C19/05;C23C4/08;C23C14/14;C23C14/16;C23C30/00;C30B33/00 |
主分类号 |
C22C19/05 |
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