发明名称 |
Low-sulfur article having a platinum-aluminide protective layer and its preparation |
摘要 |
A coated article is prepared by furnishing an nickel-base article substrate having a free sulfur content of more than 0 but less than about 1 part per million by weight. A protective layer is formed at a surface of the article substrate. The protective layer includes a platinum aluminide diffusion coating. The protective layer may be substantially yttrium-free, or have a controlled amount of yttrium. A ceramic layer may overlie the protective layer.
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申请公布号 |
US6333121(B1) |
申请公布日期 |
2001.12.25 |
申请号 |
US19990328574 |
申请日期 |
1999.06.09 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
WALSTON WILLIAM S.;SCHAEFFER JON C.;MURPHY WENDY H. |
分类号 |
B32B15/04;C21D1/00;C22F1/10;C23C10/30;C23C14/02;C23C14/08;C23C26/00;C23C28/00;C23C28/02;C23C28/04;C23C30/00;F01D5/28;F03B3/12;(IPC1-7):B32B15/04 |
主分类号 |
B32B15/04 |
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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