▎ 摘　　要

NOVELTY - Preparing laser-deposited graphene oxide aluminum-based composite material comprises (a) adding graphene oxide into the solvent and ultrasonically oscillating, (b) performing low-temperature wet ball milling by adding aluminum-based powder material, graphene oxide solution and solvent into ball milling tank for ball milling after cleaning, pumping vacuum and controlling the temperature, (b) taking out the ball milling product, drying, separating the obtained powder and ball milling to obtain graphene oxide aluminum-based composite powder and (c) utilizing graphene oxide-based composite powders as raw materials and preparing graphene oxide aluminum-based composite materials by performing laser deposition manufacturing method. USE - The method is useful in preparing laser-deposited graphene oxide aluminum-based composite material. ADVANTAGE - The graphene oxide: is uniformly and effectively dispersed in the aluminum matrix; does not react with the aluminum matrix, which realizes the feasibility of laser deposition and manufacturing of the graphene oxide aluminum-based composite material; and has enhanced mechanical properties. DETAILED DESCRIPTION - Preparing laser-deposited graphene oxide aluminum-based composite material comprises (a) adding graphene oxide into the solvent in a solid-to-liquid ratio of 0.05-0.1 g:120-200 mu g/l and ultrasonically oscillating for 1-3 hours to obtain graphene oxide solution, (b) performing low-temperature wet ball milling by adding aluminum-based powder material, graphene oxide solution and solvent into ball milling tank for ball milling after cleaning, pumping vacuum and controlling the temperature at 20-200 degrees C to obtain graphene oxide aluminum-based composite powder, where the ball-to-material ratio is 3-6:1, volume ratio of ball mill ball + aluminum-based powder:solvent is 1-3:1, mass ratio of graphene oxide:aluminum powder + grapheme oxide is 0.05-0.1:100, grain diameter of aluminum-based powder material is 60-180 meshes and grain diameter of the ball is 2-8 mm, ball milling parameters comprises ball milling at a speed of 200-500 revolutions/minute, adopting interval ball milling for 8-20 hours having stop time of 5-15 minutes every 30 minutes, (b) taking out the ball milling product, drying, separating the obtained powder and ball milling to obtain graphene oxide aluminum-based composite powder and (c) utilizing graphene oxide-based composite powders as raw materials by laser deposition of graphene oxide-based aluminum composites, preparing graphene oxide aluminum-based composite materials by performing laser deposition manufacturing method by using argon gas as protective gas having 3-5 mm diameter of light spot, 1.6-2.2 KW laser power, 3-7 mm/s scanning speed, 0.8-1.6 r/s feeding speed, 1-3 mm scanning distance and 0.5-1 mm scanning layer thickness. An INDEPENDENT CLAIM is also included for a laser-deposited graphene oxide aluminum-based composite material prepared by the method mentioned above.