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Performance and Durability of Advanced Environmental Barrier Coating SystemsThis paper summarizes recent NASA environmental barrier coating (EBC) material advances for protecting the SiC/SiC Ceramic Matrix Composites (CMCs) for meeting next generation turbine engine performance requirements. We particularly present an advanced multicomponent rare earth silicate EBCs with HfO2-Si bond coat system, the temperature capability, environmental stability, and thermomechanical durability, advanced laboratory testing toward subelement demonstrations. Fundamental coating properties of the coating system will also be discussed, with the emphasis on the coating diffusion barrier performance and Calcium Magnesium Alumino-Silicate (CMAS) resistance.
Document ID
20180004648
Acquisition Source
Glenn Research Center
Document Type
Presentation
Authors
Zhu, Dongming (NASA Glenn Research Center Cleveland, OH, United States)
Harder, Bryan J. (NASA Glenn Research Center Cleveland, OH, United States)
Lee, Kang N. (NASA Glenn Research Center Cleveland, OH, United States)
Puleo, Bernadette J. (NASA Glenn Research Center Cleveland, OH, United States)
Hurst, Janet B. (NASA Glenn Research Center Cleveland, OH, United States)
Costa, Gustavo (Vantage Partners, LLC Brook Park, OH, United States)
Wiesner, Valerie L. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 23, 2018
Publication Date
January 23, 2018
Subject Category
Composite Materials
Report/Patent Number
GRC-E-DAA-TN51753
Meeting Information
Meeting: International Conference on Advanced Ceramics and Composites (ICACC2018)
Location: Daytona Beach, FL
Country: United States
Start Date: January 21, 2018
End Date: January 26, 2018
Sponsors: American Ceramic Society
Funding Number(s)
WBS: WBS 109492.02.03.01.30
CONTRACT_GRANT: NNC12BA01B
Distribution Limits
Public
Copyright
Public Use Permitted.

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