发明名称 |
HIGH TEMPERATURE PROTECTIVE COATING |
摘要 |
The invention relates to a high temperature protective coating based on MCrAlY coating, with M at least one element out of the group of Ni, Co and Fe, for a component of a turbo machine, especially a gas turbine, the coating containing at least at least 1.75 vol.-% chromium borides and the coating consisting of the following chemical composition (in wt.-%): 10-27 Cr; 3-12 Al; 1-4 Si; 0.1-3 Ta; 0.01-3 Y; 0.1-3 B; 0-7 M, with M being a different element out of said group compared to the remainder, and the remainder being M and inevitable impurities. A preferred embodiment is a coating with the following chemical composition: 10-27 Cr; 3-12 Al; 1-4 Si; 0.1-3 Ta; 0.01-3 Y; 0.1-3 B; 0-7 Co and the remainder being Ni and inevitable impurities. |
申请公布号 |
EP3118345(A1) |
申请公布日期 |
2017.01.18 |
申请号 |
EP20150177229 |
申请日期 |
2015.07.17 |
申请人 |
General Electric Technology GmbH |
发明人 |
Schab, Johannes Clemens;Zimmermann, Julien Rene Andre;Stankowski, Alexander;Grasso, Piero-Daniele |
分类号 |
C23C4/12;C22C19/05;C22C19/07;C23C4/06;C23C4/08;C23C30/00;F01D5/28 |
主分类号 |
C23C4/12 |
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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