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Keywords: high-temperature properties
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Proceedings Papers

To Drill or Not to Drill? - Creep of an Oxide-Oxide Composite With Diamond-Drilled Discharge Holes at Elevated Temperature

Megan Harkins, Marina Ruggles-Wrenn
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T02A008, June 13–17, 2022
Paper No: GT2022-83270
DOI: https://doi.org/10.1115/GT2022-83270
... in different microstructure degradation mechanisms. Changes to the CMC microstructure triggered by these two drilling techniques and implications for mechanical performance and durability are discussed. ceramic-matrix composites oxides mechanical properties high-temperature properties creep...
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Topics: Composite materials, Creep, Diamonds, Drills (Tools), High temperature, Temperature
Proceedings Papers

Fatigue of an Advanced SiC/SiC Ceramic Matrix Composite With an Environmental Barrier Coating at Elevated Temperature in Air and in Steam

T. M. Williams, M. B. Ruggles-Wrenn
Proc. ASME. GT2020, Volume 3: Ceramics; Coal, Biomass, Hydrogen, and Alternative Fuels, V003T02A007, September 21–25, 2020
Paper No: GT2020-15604
DOI: https://doi.org/10.1115/GT2020-15604
... processing defects (voids) present in the composite interior. ceramic matrix composites fatigue EBC ytterbium-disilicate high-temperature properties mechanical properties FATIGUE OF AN ADVANCED SiC/SiC CERAMIC MATRIX COMPOSITE WITH AN ENVIRONMENTAL BARRIER COATING AT ELEVATED TEMPERATURE IN AIR...
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Topics: Coating processes, Coatings, Composite materials, Fatigue, Silicon carbide ceramics, Steam, Temperature
Proceedings Papers

Tension–Compression Fatigue of a SiC/SiC Ceramic Matrix Composite at Elevated Temperature

M. B. Ruggles-Wrenn, T. P. Jones
Proc. ASME. GT2012, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Controls, Diagnostics and Instrumentation, 467-473, June 11–15, 2012
Paper No: GT2012-68902
DOI: https://doi.org/10.1115/GT2012-68902
.... The material retained 100% of its tensile strength. Reductions in tensile modulus and in compressive modulus were negligible. Composite microstructure, as well as damage and failure mechanisms were investigated. ceramic-matrix composites (CMCs) fatigue high-temperature properties mechanical properties...
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Topics: Composite materials, Compression, Fatigue, Silicon carbide ceramics, Temperature, Tension