Background: The effect of mixed size of recycled-copper-filled epoxy composites on mechanical, electrical, thermal\nand physical properties was investigated.\nMethods: The recycled copper was collected as a waste from the milling machine. The recycled copper-filled epoxy\ncomposite was mixed using a mechanical stirrer.\nResults: The effect of volume fraction of recycled copper of the epoxy composites were studied based on the\nflexural properties, coefficient of thermal analysis (CTE), electrical conductivity, hardness and density.\nConclusions: The incorporation of recycled copper has decreased the CTE of the composites. The flexural\nproperties, electrical conductivity, hardness and density of the composites increased with increasing volume\nfraction and filler loading.
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