▎ 摘　　要

NOVELTY - The preparation method of modified graphene reinforced aluminum matrix composite material involves grinding graphene powder and silicon powder, adding stearic acid, filling liquid nitrogen, obtaining mixed powder, drying, sintering dried mixed powder to obtain modified graphene, adding modified graphene, high purity aluminum powder, grinding ball and stearic acid into ball mill, filling liquid nitrogen, ball milling to obtain modified graphene-aluminum powder mixed powder, drying, adding dried modified graphene-aluminum mixed powder to molten aluminum, mixing and casting. USE - Preparation of modified graphene reinforced aluminum matrix composite material (claimed). ADVANTAGE - The method enables preparation of modified graphene reinforced aluminum matrix composite material ensuring high wettability and increased bonding strength. DETAILED DESCRIPTION - The preparation method of modified graphene reinforced aluminum matrix composite material involves (A) grinding graphene powder and silicon powder, adding stearic acid, filling liquid nitrogen, obtaining mixed powder, drying the mixed powder, (B) sintering the dried mixed powder in vacuum to obtain modified graphene, (C) adding modified graphene, high purity aluminum powder, grinding ball and stearic acid into ball mill, filling liquid nitrogen, ball milling to obtain modified graphene-aluminum powder mixed powder, drying, (D) adding the dried modified graphene-aluminum mixed powder to molten aluminum, mixing evenly and casting.