Abstract
The integrated influence of dynamic recrystallization evolution (DRX) and α/β phase transformation on hot deformation of dual-phase titanium alloys has been investigated in the present paper. Kocks–Mecking relation for dislocation density variation has been developed. Corresponding constitutive relationship and work-hardening behavior have been characterized under validation by isothermal compression of Ti55511 titanium alloy. α/β phase transformation determines the work-hardening basis and DRX evolution influences the softening effect of work-hardening behavior.
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