▎ 摘　　要

NOVELTY - Preparing graphene modified tungsten carbide self-lubricating and wear-resistant additive comprises dissolving the tungsten-containing precursor compound in the graphene aqueous solution, stirring, forming an aqueous solution of graphene and a tungsten-containing precursor compound, placing the mixed powder of graphene and the tungsten-containing precursor in an alumina crucible, vacuuming, insulating, cooling hydrogen atmosphere to room temperature and obtaining graphene modified tungsten carbide self-lubricating wear-resistant additives. USE - The method is useful for preparing graphene modified tungsten carbide self-lubricating and wear-resistant additive (claimed). DETAILED DESCRIPTION - Preparing graphene modified tungsten carbide self-lubricating and wear-resistant additive comprises (i) taking graphene and tungsten-containing precursor compounds with different molar ratios; (ii) wetting and modifying the graphene by anhydrous ethanol, dispersing in deionized water, performing ultrasonic dispersion and obtaining graphene aqueous solution; (iii) dissolving the tungsten-containing precursor compound in the graphene aqueous solution, stirring, forming an aqueous solution of graphene and a tungsten-containing precursor compound, mixing using acid burette, obtaining graphene and tungsten precursor compound aqueous solution, adding ethanol, making anhydrous ethanol and water, filtering the resulting precipitate, obtaining graphene and tungsten-containing precursor compound powder and placing in an oven at a certain temperature for a certain period of time to obtain a mixture of graphene and tungsten-containing precursor compound dry powder; and (iv) placing the mixed powder of graphene and the tungsten-containing precursor in an alumina crucible, placing in a tube reduction furnace, vacuuming, passing hydrogen, insulating, making the graphene surface fully reacted with the tungsten-containing precursor compound, cooling hydrogen atmosphere naturally to room temperature and obtaining graphene modified tungsten carbide self-lubricating wear-resistant additives.