IGTC-113 Advanced Fiber Reinforced CMC's Fabricated by CVI and DIMOX^<TM> for Turbine Engine Applications(Organized Session II ADVANCED MATERIALS)

概要

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In many advanced ceramic matrix composite (CMC) turbine engine hardware applications concurrent design and engineered materials approaches are being used. Designing CMC components requires understanding composite materials properties and fabrication processes. For example: stress-strain behavior, cyclic fatigue and elevated temperature-time tensile stress rupture. Review is provided for two CMC fabrication processes using gas phase chemical vapor infiltration (CVI) for silicon carbide matrix consolidation and the DIMOX^<TM> directed metal oxidation growth from a liquid metal/gas reaction for aluminum oxide matrix formation. An update of DuPont Lanxide Composites' extensive thermal and mechanical data bases for CVI formed Enhanced silicon carbide fiber reinforced silicon carbide (E-SiC_f/SiC) and DIMOX^<TM> silicon carbide fiber reinforced aluminum oxide matrix (SiC_f/Al_2O_3) materials is provided. Many Customer designed CMC hardware programs conducted with Du Pont Lanxide Composites have demonstrated required hardware component and engine performance utility. Examples of nonproprietary CMC turbine engine combustors, fabrication and test results are discussed.
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