Preparation method of solid solution aging state Ti6Al4V alloy bar/wire

The invention belongs to the technical field of nonferrous metal material processing, and relates to a preparation method of a solid solution aging state Ti6Al4V alloy bar/wire, which comprises the following steps: 1) blank preparation: preparing a Ti6Al4V alloy bar blank with uniform transverse and longitudinal tissues; (2) solution treatment is conducted, specifically, the Ti6Al4V alloy bar billet obtained in the step (1) is placed in a heat treatment furnace to be heated and subjected to heat preservation, and solution treatment and water quenching treatment are conducted; (3) aging treatment is conducted, specifically, the Ti6Al4V alloy bar blank obtained after solution treatment is placed in a heat treatment furnace to be heated and subjected to heat preservation, and aging treatment is conducted; and (4) straightening and finishing treatment is conducted, specifically, the Ti6Al4V alloy bar blank treated in the step (3) is heated, straightened and finished into a finished bar/wire, the performance of th