Graphene aluminum-based alloy material and preparation method thereof

The invention provides a graphene aluminum-based alloy material and a preparation method thereof. The preparation method comprises the following steps: S1, preparing W/Cu oxide modified graphene oxide; s2, preparing W/Cu oxide modified graphene; s3, preparation of W/Cu modified graphene; and S4, preparing the graphene aluminum-based alloy material. The prepared graphene aluminum-based alloy material has the advantages of light weight, high strength, electric conduction, heat conduction, wear resistance, vibration reduction and the like, the thermal expansion coefficient of the composite material is remarkably reduced, the heat conductivity is improved, and the friction and wear coefficient is remarkably reduced. 本发明提出了一种石墨烯铝基合金材料及其制备方法，所述制备方法包括步骤：S1.W/Cu氧化物改性氧化石墨烯的制备；S2.W/Cu氧化物改性石墨烯的制备；S3.W/Cu改性石墨烯的制备；S4.石墨烯铝基合金材料的制备。本发明制得的石墨烯铝基合金材料具有质轻高强、兼备导电、导热、耐磨、减振等优点，显著降低复合材料热膨胀系数，提高热导率，并显著降低摩擦磨损系数。