Author:
Morscher Gregory N.,Panakarajupally Ragav P.,Hoffman Leland
Abstract
Effective testing of ceramic matrix composites (CMCs) and CMC/coating systems for high temperature, high stress, high velocity and/or severe oxidation/corrosion environments is a critical need in materials/coatings evaluation for extreme environments of hot section parts in jet engine and hypersonic applications. Most current technology can evaluate two or three of the extreme conditions for a given application; however, incorporating as many of the extreme thermo-mechanical-environmental factors is highly advantageous to understand combinatorial effects. A high velocity oxygen fuel (HVOF) burner rig offers an excellent platform to evaluate many of these extreme conditions. In this work, the following three different thermo-mechanical-environmental test conditions using an HVOF rig on SiC-based CMCs are highlighted: (1) fatigue at temperature for >Mach 1 velocity and high temperature compared to typical stagnant air test environment, (2) high temperature hard particle erosion at temperature for ≤Mach 1 conditions and (3) ~Mach 5 near-hypersonic velocity conditions at very high temperature exposure.
Funder
Office of Naval Research Global
Naval Air Systems Command
Reference38 articles.
1. Ceramic Matrix Composites Taking Flight at GE Aviation;Steibel;Am. Ceram. Soc. Bull.,2019
2. Simultaneous Fatigue and Combustion Exposure of a SiC/SiC Ceramic Matrix Composite
Cited by
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