Mechanical properties and thermal conductivity of graphene reinforced copper matrix composites

The dispersion of graphene in copper matrix significantly affects the mechanical and physical properties of graphene reinforced copper matrix composite (Gr/Cu). In our present study, graphene oxide (GO) with the negative charge was prepared by a modified Hummers' method and Cu powders were coated by hexadecyl trimethyl ammonium bromide (CTAB) to obtain the surface positive charge. GO-Cu powders were prepared by electrostatic self-assembly and...