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首页> 美国政府科技报告 >Very Tough, Erosion-Resistant Turbine Airfoil Thermal Barrier Coatings Developed
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Very Tough, Erosion-Resistant Turbine Airfoil Thermal Barrier Coatings Developed

机译：开发出非常坚韧，耐腐蚀的涡轮翼型热障涂层

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摘要

Ceramic thermal barrier coatings (TBCs) are receiving increased attention for advanced gas turbine engine applications. These coatings are considered to be technologically important because of their ability to further increase engine operating temperatures and reduce cooling requirements, thus achieving higher engine efficiency, lower emissions, and increased performance goals. To take full advantage of the capabilities of these coatings, researchers need to use an aggressive design approach whenever possible--one that allows greater temperature reductions through the coating systems and less cooling air to the components. Advanced TBCs that have significantly lower thermal conductivity and better thermal stability than current coatings have been developed for future ultra-efficient, low-emission engine systems. Multicomponent-doped, defect-clustered TBCs have been shown to offer the low conductivity and high stability required for future high-temperature engine applications.

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