发明名称 |
Thermal barrier coating system with improved bond coat |
摘要 |
A thermal barrier coating (TBC) system and method for forming the TBC system on a component designed for use in a hostile thermal environment, such as superalloy turbine, combustor and augmentor components of a gas turbine engine. The TBC system exhibits improved spallation resistance as a result of having a bond coat formed to contain a dispersion of oxide particles in its outer surface region. A method for preferentially entrapping oxide particles in a bond coat entails depositing the oxide particles on the surface of the component prior to forming the bond coat, which may be a diffusion aluminide or an aluminized overlay coating. Deposition of the bond coat causes the oxide particles to become dispersed in the outer surface region of the bond coat. A particular feature of this invention is the ability to preferentially entrap oxides of elements that are not present in the bond coat or a substrate region of the component on which the bond coat is formed.
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申请公布号 |
US6485845(B1) |
申请公布日期 |
2002.11.26 |
申请号 |
US20000489719 |
申请日期 |
2000.01.24 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
WUSTMAN ROGER D.;CONNER JEFFREY A.;CLARKE JONATHAN P.;NORRIS TIMOTHY L.;BRUMMETT, II WILLIAM E.;MANTKOWSKI THOMAS E. |
分类号 |
C23C28/00;F01D5/28;(IPC1-7):B32B15/04;F03B3/12 |
主分类号 |
C23C28/00 |
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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