▎ 摘　　要

NOVELTY - Fast preparation of graphene metal matrix composite material comprises (i) adding graphene and bulking agent into organic solvent, mixing and ultrasonically processing to obtain dispersion, (ii) melting and stirring at least one metal or alloy, (iii) spraying the obtained dispersion into the molten metal or alloy by high-pressure injector, and continuously stirring, and (iv) cooling and forming, where the metal powder/particle is aluminum, copper, gold, silver, tin, zinc, vanadium, titanium, iron, steel, nickel, cobalt, manganese, molybdenum, neodymium, chromium, tantalum, indium, lead, tungsten, magnesium, ruthenium, palladium, osmium, niobium, rhenium, lanthanum, cerium, europium, gadolinium, terbium, holmium, erbium, and/or yttrium, the bulking agent is sodium tetraborate, rosin, potassium chloride, sodium carbonate, silicon dioxide, and/or calcium fluoride, and the organic solvent is methanol, ethanol, isopropanol, acetone, and/or isoacetone solution. USE - The method is useful for preparing graphene metal-based composite material which is useful in microelectronic and aerospace fields. ADVANTAGE - The graphene metal-based composite material has excellent electrical, mechanical and thermal performance, conductivity, heat conducting property, toughness and strength, and high performance, and is prepared in a simple and cost-effective manner. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a graphene metal matrix composite material.