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Modelling Polycrystalline Solidification Using Phase Field Theory



L Granasy, T Pusztai, James A. Warren


We review recent advances made in phase field modelling of polycrystalline solidification. Areas covered include the development of theory from early approaches that allow for only a few crystal orientations, to the latest models relying on a continuous orientaiton field and a free energy functional that, as it should be, is invariant to the rotation growth of crystalline particles having different crystal orientations, the kinetics of crystallization, grain boundary dynamics, and the formation of complex polycrystalline growth morphologies including disordered ('dizzy') dendrites, spherulities, fractal-like polycrystalline aggregates, etc. Finally, we extend the approach by incorporating walls, and explore phenomena such as heterogeneous nucleation, particle-front interaction, and solidification in confined geometries (in channels or porous media).
Journal of Physics-Condensed Matter
No. 41


dendrites, grain, phase field theory, polycrystalline solidification


Granasy, L. , Pusztai, T. and Warren, J. (2004), Modelling Polycrystalline Solidification Using Phase Field Theory, Journal of Physics-Condensed Matter (Accessed April 22, 2024)
Created September 30, 2004, Updated October 12, 2021