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Phase field simulations of grain growth in systems containing second-phase particles

A phase field model for grain growth in materials containing inert, immobile particles has been implemented. Large scale 2D-simulations were performed for different sizes and volume fractions of the second-phase particles and different initial grain sizes of the matrix phase. For all simulations the mean grain size and the number of particles located on grain boundaries as a function of time were determined. The agreement with Monte Carlo and front-tracking simulations is very good. From comparison with experiments suggestions for further improvement of the simulations are made.