Abstract
Integrated computational materials engineering (ICME) links physics-based models to predict performance of materials based on their processing history. The recrystallization phase field model is developed and parameterized for commercially pure titanium. Stored energy and nucleation of dislocation-free grains are added into a phase field grain-growth model. A two-dimensional simulation of recrystallization in titanium at 800°C was performed; the recrystallized volume fraction was measured from the simulated microstructures. Fitting the recrystallized volume fraction to the Avramiequation gives the time exponent n as 1.8 and the annealing time to reach 50% recrystallization (t0.5) as 71 s. As expected, the microstructure evolves faster when driven by stored energy than when driven by grain boundary energy.
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