▎ 摘　　要

NOVELTY - Aluminum magnesium boride/graphene composite powder material comprises aluminum powder, magnesium powder, boron powder and graphene in a mass ratio of 1:0.95-1.15: 5.61:0.5-2.5. USE - Used as aluminum magnesium boride/graphene composite powder material. ADVANTAGE - The composite powder material: has improved mechanical properties, and high purity. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing aluminum magnesium boride/graphene composite powder material, comprising (i) adding aluminum powder, magnesium powder, boron powder and graphene into agate tank for high energy ball milling, and (ii) placing mixture obtained in the step (i) in graphite tank, and placing graphite tank in a sintering furnace, sintering at a high temperature, and then naturally cooling to obtain final product.