Abstract
Influence of severe cold deformation of titanium alloy Ti–1.5%Al–6.8%Mo–4.5%Fe in metastable β condition on the evolution of phase composition, microstructure, and tensile properties during continuous rapid heating was studied. As-deformed alloy was characterized by quasi-amorphous single-phase β condition with an abnormal temperature dependence of electric resistance that was normalized after 48 h exposure at room temperature as a result of isothermal ω phase precipitation. Subsequent rapid heating with a rate of 5 °C/s caused recovery and recrystallization. Tensile properties of the alloy after different treatments were determined and discussed.
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