▎ 摘　　要

NOVELTY - A titanium-aluminum-based self-lubricating material is obtained by sintering titanium powder, aluminum powder and graphene-silver spherical powder such that the molar ratio of titanium and aluminum is 1:1. The addition amount of graphene-silver spherical powder is 1.5-2.5 wt.% of total mass of titanium and aluminum powders. USE - Titanium-aluminum-based self-lubricating material. ADVANTAGE - The titanium-aluminum-based self-lubricating material with low friction coefficient and wear rate, and excellent tribological property is prepared by simple method. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of titanium-aluminum-based self-lubricating material, which involves selecting lubricious phase graphene-silver powder, adding aqueous sodium silicate solution containing auxiliary reagent to lubricious phase graphene-silver powder and stirring mixture to form homogeneous solution, drying homogeneous solution to obtain mixed powder particles, adding mixed powder particles to oxygen-acetylene torch device and jet melting at 1700-3200 degrees C, spraying molten droplet-like reactant to distilled water such that the mass ratio of molten droplet-like reactant and water is 1:3000-1:1500, rapidly condensing mixture, graded-screening molten spherical droplet reactants, drying mixture at 90 degrees C or less to obtain high-purity graphene-silver spherical powder with uniform size distribution, selecting titanium powder and aluminum powder such that the molar ratio of titanium and aluminum is 1:1 and content of titanium powder and aluminum powder is 1.5-2.5 wt.% of total weight of graphene-silver spherical powder and mixing titanium powder, of graphene-silver spherical powder and aluminum powder to obtain mixture (a), placing mixture (a) in vibration mixer, drying and sintering mixture and spark plasma sintering mixture.