▎ 摘　　要

NOVELTY - Preparation of three-dimensional nano-carbon material reinforced nickel-based composite material involves (i) preparing three-dimensional graphene oxide-polyamino compound-carbon nanotubes nano-carbon material, (ii) dispersing three-dimensional graphene oxide-polyamino compound-carbon nanotubes nano-carbon material in an aqueous nickel chloride ammonia solution, dripping hydrazine hydrate solution, adding sodium hydroxide solution, filtering and washing to obtain three-dimensional graphene oxide-carbon nanotubes/nickel particles, (iii) placing the three-dimensional graphene oxide-carbon nanotubes/nickel particles in an aluminum oxide ark and placing in a tube furnace for reduction to obtain reduced graphene oxide-carbon nanotubes/nickel particles, and (iv) placing the reduced graphene oxide-carbon nanotubes/nickel particles in a graphite mold, performing spark plasma sintering under vacuum conditions, and cooling to room temperature. USE - Preparation of three-dimensional nano-carbon material reinforced nickel-based composite material. ADVANTAGE - The method is capable of effectively inhibiting agglomeration of graphene oxide, and improving synergistic strengthening effect of graphene and carbon nanotubes on the nickel matrix, thereby improving strength and toughness of composite material. DETAILED DESCRIPTION - Preparation of three-dimensional nano-carbon material reinforced nickel-based composite material involves (i) dispersing graphene oxide in a mixed solution of dimethylformamide and water, adding an excess of polyamino compound, performing ring-opening reaction under heating and stirring conditions, filtering and washing to obtain pretreated graphene oxide-polyamino compound, dispersing the carbon nanotubes in a nitric acid solution, performing initial functionalization under heating and stirring conditions, filtering and washing, ultrasonically dispersing in the hydrogen peroxide solution, heating and stirring filtering and washing to obtain pretreated carbon nanotubes, dispersing the pretreated graphene oxide-polyamino compound and pretreated carbon nanotubes in a mixture of dimethylformamide and water by ultrasonic dispersion, performing ring-opening reaction under heating and stirring conditions, filtering, washing and freeze-drying to obtain three-dimensional graphene oxide-polyamino compound-carbon nanotubes nano-carbon material, (ii) dispersing three-dimensional graphene oxide-polyamino compound-carbon nanotubes nano-carbon material in an aqueous nickel chloride ammonia solution, dripping hydrazine hydrate solution, adding sodium hydroxide solution, filtering and washing to obtain three-dimensional graphene oxide-carbon nanotubes/nickel particles, (iii) placing the three-dimensional graphene oxide-carbon nanotubes/nickel particles in an aluminum oxide ark and placing in a tube furnace for reduction to obtain reduced graphene oxide-carbon nanotubes/nickel particles, and (iv) placing the reduced graphene oxide-carbon nanotubes/nickel particles in a graphite mold, performing spark plasma sintering under vacuum conditions, and cooling to room temperature.