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The hot ductility of rolled IMI834 titanium alloy has been studied by conducting tensile tests with a strain rate of 0.1 s −1  and temperature range of 750–1 100 °C to obtain the optimum hot working conditions. The alloy showed minimum hot ductility in the lower alpha–beta region in the temperature range 750–950 °C. Further microstructural characterizations showed improvement in hot ductility by increasing temperature, which was attributed to reduction of volume fraction of high strength alpha phase. The best hot ductility was observed at 1 000 °C, i. e. in the upper alpha–beta region. The better hot ductility at higher temperature could be related to the increase in the volume fraction of beta phase and the occurrence of dynamic restoration phenomena. The second decline in hot ductility appeared at higher temperatures in the beta region and was attributed to the high stacking fault energy and self-diffusion of beta phase leading to limitation of dynamic recrystallization.

Hot ductility behavior of near-alpha titanium alloy IMI834