▎ 摘　　要

NOVELTY - Preparation of graphene reinforced magnesium matrix composite material comprises taking graphene and magnesium alloy powder, mixing magnesium powder and ethanol, vacuumizing, dissolving magnesium powder, mechanical agitating, ultrasonic dispersing, ultrasonic mixing graphene and ethanol, adding to magnesium alloy solution dropwise, ultrasonic dispersing, agitating, heating, evaporating, vacuum ball milling under argon atmosphere, vacuum drying, dispersing, grinding, and sintering. USE - Method for preparing graphene reinforced magnesium matrix composite material. ADVANTAGE - The method is simple, practical, and suitable for military and aviation applications.