COMPARISON BETWEEN THE DENSITY OF ALUMINIUM MATRIX REINFORCED WITH SIC AND GRAPHITE COMPOSITE MATERIAL OBTAINED BY INJECTION TO THE FEEDSTOCK DENSITY

Alina Georgeta JUMOLEA, George ARGHIR, Liviu BRȂNDUȘAN, Gabriel BATIN

Abstract


It was considered composite containing aluminium powder to which was added, 10, 15, and 20 mass % of SiC, respectively, 3.0 and 6.0 mass % graphite. Feedstock contained powder 45 vol %, respectively, binder 55 vol %. Theoretical density increases with increasing SiC content for powder mixes with 3.0 and, respectively, 6.0 % graphite. Experimental feedstock's density is slightly lower compared to the theoretical density. Homogenization temperature of 130 °C is preferred. As the temperature increase the injection density increases for all samples.

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References


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