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ASM Handbook

Thermal Spray Technology

Edited by
Robert C. Tucker, Jr.
Robert C. Tucker, Jr.
The Tucker Group
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ASM International
Volume
5A
ISBN electronic:
978-1-62708-171-9
Publication date:
2013
Book Chapter

Thermal and Environmental Barrier Coatings (TBCs/EBCs) for Turbine Engines

By
Rogerio S. Lima
Rogerio S. Lima
National Research Council of Canada (NRC)
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Dongming Zhu
Dongming Zhu
National Aeronautics and Space Administration (NASA)
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Li Li
Li Li
Praxair Surface Technologies
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Published:
2013
Page range:
270 - 279
Publication history
February 13, 2013

Abstract

This article presents a summary of the current and new materials and processing techniques for thermal barrier coatings (TBCs) and environmental barrier coatings (EBCs). Different thermal spraying and postspraying processing techniques are required to produce coatings with optimal performance. For TBCs and EBCs, the elastic modulus, mechanical strength, and toughness values are extremely important in predicting failure behavior under stress and strain conditions, mainly for modeling purposes. Sand and/or volcanic ash particles are molten in the hot zones of turbines and deposited over TBCs and EBCs. They form calcium-magnesium-aluminosilicate (CMAS) glassy deposits.

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Rogerio S. Lima, Dongming Zhu, Li Li, 2013. "Thermal and Environmental Barrier Coatings (TBCs/EBCs) for Turbine Engines", Thermal Spray Technology, Robert C. Tucker, Jr.

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