▎ 摘　　要

NOVELTY - Preparing graphene reinforced aluminum matrix composite material with high conductivity involves preparing raw materials, namely drying graphene, aluminum powder and aluminum blocks in a drying box to remove moisture, chemically plating aluminum on the surface of graphene by using an electroless plating method to obtain aluminized graphene powder, melting the aluminum block into aluminum liquid in a crucible furnace, and introducing inert gas for protection, heating that forming device to a temperature low than the melting point of aluminum, pouring the aluminum liquid obtained into a mold of a forming device to form an aluminum liquid solidification layer, laying a layer of aluminized graphene powder obtained, pouring the aluminum liquid to form an aluminum liquid solidification layer, laying a layer of aluminized graphene powder obtained, repeating the operation for multiple times until the forming mold is filled. USE - Method for preparing graphene reinforced aluminum matrix composite material with high conductivity. ADVANTAGE - The method enables to prepare graphene reinforced aluminum matrix composite material with high conductivity and strength. DETAILED DESCRIPTION - Preparing graphene reinforced aluminum matrix composite material with high conductivity involves preparing raw materials, namely drying graphene, aluminum powder and aluminum blocks in a drying box to remove moisture, chemically plating aluminum on the surface of graphene by using an electroless plating method to obtain aluminized graphene powder, melting the aluminum block into aluminum liquid in a crucible furnace, and introducing inert gas for protection, heating that forming device to a temperature low than the melting point of aluminum, pouring the aluminum liquid obtained into a mold of a forming device to form an aluminum liquid solidification layer, laying a layer of aluminized graphene powder obtained, pouring the aluminum liquid to form an aluminum liquid solidification layer, laying a layer of aluminized graphene powder obtained, repeating the operation for multiple times until the forming mold is filled, where the last layer is an aluminum liquid solidification layer to form a sandwich sandwich structure consisting of the aluminum liquid solidification layer and the aluminized graphene powder layer, extruding the sandwich structure obtained into a cuboid test block by using a press, heating the obtained cuboid test block to 500-6000 degrees C in a heating furnace, keeping the temperature for a certain time, and carrying out forging treatment, after cooling to room temperature, longitudinally cold deform the forged cuboid test block, annealing the deformed cuboid test block under the protection of inert gas to obtain the graphene reinforced aluminum matrix composite material with high conductivity.