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Exploring alternative matrix concepts for SiC-based ceramic-matrix composites
Silicon carbide-fiber-reinforced silicon carbide ceramic-matrix composites (SiC/SiC CMCs) are proposed to replace nickel-based superalloys in next-generation gas-turbine engines. SiC/SiC CMCs can increase engine efficiency by operating at higher combustion temperatures and decrease the weight of engine components. A SiC/SiC CMC is composed of SiC fibers coated with a thin boron…