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The Effect of Addition Graphite on the Physical Properties of a Copper Hybrid Compound Using Powder Technique

In this study, copper-3%WC-graphite hybrid compounds were produced by powder metallurgy. The effect of different concentrations of graphite (0, 2%, 4%, 6%, 8%) on sinter density and thermal conductivity of the compounds were studied. The results indicated that the sintering density decreased with increasing graphite concentrations by (16.75%). And that the thermal conductivity decreases at a rate of (25.90%). This decrease in thermal conductivity is due to the low thermal conductivity of both WC and graphite.