We present three-dimensional kinetic Monte Carlo (KMC) simulations based on Q-state Potts model in order to numerically predict the microstructural evolution of the Ni-YSZ composite system. By incorporating a new densification algorithm into a previous sintering modeling, we have successfully simulated the effect of the presence of rigid YSZ phase on Ni coarsening kinetics. We reveal that the growth of Ni particle is significantly suppressed when the volume fraction of YSZ phase increases or the particle size of YSZ phase decreases. This indicates that Zener pinning concept widely applied to polycrystalline materials is available for characterizing the particle growth behavior in cermet systems.
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