Abstract
The Copper/Graphene (Cu/Gr) composite was prepared with single-pass friction stir processing. The composites were prepared by fixing the tool rotational speed and by varying the traverse speed. The stir-zone of processed specimens were characterized for its microstructure, hardness and electrical conductivity. Microstructural investigation showed that graphene has uniformly distributed in the Cu-matrix. The hardness increased by up to 40% after FSP. A minimal decrease in electrical conductivity was observed after friction processing. The study showed FSP is a promising method to improve the mechanicalproperties of Cu without much deterioration in electrical conductivity.
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