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What is a Ceramic Matrix Composite (CMC)?

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A CMC consists of a ceramic matrix reinforced with ceramic, metal, or carbon fibers, designed to overcome brittleness while maintaining high-temperature resistance and strength.

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What are the types of Ceramic Matrix Composites (CMCs)?

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1. Carbon Fiber Reinforced CMCs (C/C Composites) 2. Oxide-Based CMCs (Oxide/Oxide CMCs) 3. Silicon Carbide-Based CMCs (SiC/SiC CMCs) 4. Non-Oxide CMCs (Silicon Nitride, Boron Carbide, etc.)

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What are the properties and applications of Carbon Fiber Reinforced CMCs?

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Properties: High-temperature resistance, lightweight, good thermal shock resistance. Applications: Aircraft brakes, rocket nozzles, heat shields.

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What are the properties and applications of Oxide-Based CMCs?

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Properties: Excellent oxidation resistance, good strength, and durability. Applications: Gas turbine components, heat exchangers, furnace linings.

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What are the properties and applications of Silicon Carbide-Based CMCs?

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Properties: High thermal conductivity, excellent wear resistance, oxidation resistance. Applications: Jet engine components, nuclear reactor parts, high-performance brake discs.

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What are the properties and applications of Non-Oxide CMCs?

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Properties: Extreme hardness, impact resistance, chemical stability. Applications: Armor plates, cutting tools, space exploration materials.

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What are the advantages of Ceramic Matrix Composites (CMCs)?

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✔️ High-temperature resistance (better than metals and polymers) ✔️ High strength and durability ✔️ Excellent wear and corrosion resistance ✔️ Lightweight compared to traditional metals.

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What are the disadvantages of Ceramic Matrix Composites (CMCs)?

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❌ Expensive manufacturing process ❌ Brittle compared to metal matrix composites ❌ Complex fabrication techniques.