Synthesis and Characterization of Sintered AZ91D Magnesium Matrix Composites Reinforced with Red Mud particles
Material Science Research India(2016)
Abstract
Magnesium AZ91D alloy is reinforced with red mud particles, is the by-product of alumina which is extracted from refining of bauxite throughbayer process to fabricate low cost novel composite by powder metallurgy technique. Reinforcement ratio was varied from 0% to 15% whereas size of the particles were kept as 30µm.The microstructure and mechanical properties such as density and microhardness of the composite were evaluated. Microstructural characterization of the sintered composite revealed a near uniform distribution of the red mud particulates with magnesium alloy metal matrix.The test results indicated that the increase in weight % of red mud particles significantly enhances the mechanical propertiesof the composite.
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Key words
magnesium,sintered mud particles
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