Pick oui all of the ceramic materials from die list below: Silica [SiO sub 2] Mu

Question

Pick oui all of the ceramic materials from die list below: Silica [SiO sub 2] Mullite [Al sub 2) sub 3)+(SiO sub 2)sub 28] Nickel Aluminide [(Ni sub 3Al])sub 99(Si)sub 1] Titanium nitride [TiN] Tungsten carbide [WC] Ceramic materials are characterized by: Brittle fracture Low elastic stiffness Low toughness High hardness High ductility Window glass: Consists mostly of silica Consists mostly of silicon Consists mostly of zirconia Is a crystalline material Is an amorphous material Thermal shock refers to fracture of the material: As a result of a shock impact As a result of a sudden temperature change As a result of a sudden temperature change and a shock impact As a result of a slow temperature change All of the above

Explanation / Answer

1. a,b,d 2. a 3. a 4. b

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