Abstract：The hot metal plastic forming technology is an effective manufacturing method to produce the thin-walled parts with complex curved surfaces of the titanium alloy and some other difficult-to-machine materials, including hot pressing forming, creep/stress relaxation forming, hot gas forming, superplastic forming and diffusion bonding, hot flexible forming, and so on. The hot deformation mechanism of titanium alloy is the theoretical basis for the hot metal forming technology. The shapes and performances of the titanium alloy can be coordinately controlled under the appropriate process parameters. The research processes of hot forming technologies, typical defects and their solutions, moulds and high-end hot forming machine tools are summarized. The development trend of titanium alloy thin-walled parts is forecasted.
2021, 
