▎ 摘　　要

NOVELTY - A titanium alloy three-dimensional printing surface wear-resistant coating is prepared by (A) processing titanium alloy TC4 powder; (B) preparing titanium alloy three-dimensional printing sample; (C) oxide graphene powder processing; (D) comprises inducing friction; and (E) cleaning sample by de-ionized water and dry blowing. The step (A) comprises selecting spherical titanium alloy TC4 powder as printing material, putting into vacuum drying, and fully drying. The step (B) comprises adding dried titanium alloy TC4 powder in powder supply bin of selective laser melting, sample forming, grinding and polishing, and washing to obtain titanium alloy three-dimensional printing sample. The step (C) comprises adding dried graphene oxide powder into friction inducing component, and applying 5-10 N pressure preload for 3-5 minutes to make seat uniformly paved inside friction inducing component. USE - Method for preparing titanium alloy three-dimensional printing surface wear-resistant coating. ADVANTAGE - The method improves titanium alloy piece friction abrasion performance of printing. It is also simple, reduces generation of dust, and improves tribological performance of substrate material. DETAILED DESCRIPTION - Titanium alloy three-dimensional printing surface wear-resistant coating is prepared by (A) processing titanium alloy TC4 powder; (B) preparing titanium alloy three-dimensional printing sample; (C) oxide graphene powder processing; (D) comprises inducing friction; and (E) cleaning sample by de-ionized water and dry blowing. The step (A) comprises selecting spherical titanium alloy TC4 powder as printing material, putting into vacuum drying, and fully drying. The step (B) comprises adding dried titanium alloy TC4 powder in powder supply bin of selective laser melting, sample forming, grinding and polishing, and washing to obtain titanium alloy three-dimensional printing sample. The step (C) comprises adding dried graphene oxide powder into friction inducing component, and applying 5-10 N pressure preload for 3-5 minutes to make seat uniformly paved inside friction inducing component. The The step (D) comprises adding titanium alloy three-dimensional print sample into friction-wear test machine, pressing friction inducing component into sample surface of titanium alloy, and pressurizing oxide graphene powder printing sample surface, and reciprocating friction inducing operation.