NDLI: Durability and cmas resistance of advanced environmental barrier coatings systems for sic/sic ceramic matrix composites

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Durability and cmas resistance of advanced environmental barrier coatings systems for sic/sic ceramic matrix composites

Content Provider	NASA Technical Reports Server (NTRS)
Author	Zhu, Dongming
Copyright Year	2015
Description	Environmental barrier coatings (EBCs) and SiCSiC ceramic matrix composites (CMCs) systems will play a crucial role in next generation turbine engines for hot-section component applications because of their ability to significantly increase engine operating temperatures with improved efficiency, reduce engine weight and cooling requirements. This paper will emphasize advanced environmental barrier coating developments for SiCSiC turbine airfoil components, by using advanced coating compositions and processing, in conjunction with mechanical and environment testing and durability validations. The coating-CMC degradations and durability in the laboratory simulated engine fatigue-creep and complex operating environments are being addressed. The effects of Calcium-Magnesium-Alumino-Silicate (CMAS) from road sand or volcano-ash deposits on the degradation mechanisms of the environmental barrier coating systems will be discussed. The results help understand the advanced EBC-CMC system performance, aiming at the durability improvements of more robust, prime-reliant environmental barrier coatings for successful applications of the component technologies and lifing methodologies.
File Size	7259883
Page Count	30
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20150004095
Archival Resource Key	ark:/13960/t3rv5jx91
Language	English
Publisher Date	2015-01-25
Access Restriction	Open
Subject Keyword	Ceramic Matrix Composites Fatigue and Environment Durability Environmental Barrier Coatings Thermal Cycling Tests Calcium Silicates Durability Airfoils Degradation Fatigue Tests Thermodynamics Thermal Control Coatings Thermal Resistance Magnesium Protective Coatings Turbine Engines Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Presentation

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