Abstract
Aluminum Metal Matrix Composites (AMC) comprising of Aluminum powder and Cenospheres were fabricated through Powder Metallurgy (PM) route. Composites containing Cenospheres varying from 10 to 50 vol. % were prepared and dry pressed in hydraulic press. The densification of the composites was carried out in microwave sintering. The sintered composites have been measured for % Porosity, Thermal properties viz. Co-efficient of Thermal Expansion (CTE) and Thermal Shock Resistance (TSR) test. Compressive Yield Strength (MPa) was measured for the composites before and after thermal shock cycles. The measured properties were compared with composites sintered by conventional method in electric resistance furnace. Microwave sintered samples showed better properties compared to conventionally sintered ones.
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