MICRO-DESCRIPTION OF THE SOLUTE-FIELD AND THE PHASE-FIELD MODEL FOR ISOTHERMAL PHASE TRANSITION IN BINARY ALLOYS
来源期刊：Acta Metallurgica Sinica2004年第6期
论文作者：R.X.Liu H.M.Ding L.L.Chen
Key words：phase field; isothermal phase field model; diffusion;
Abstract: A new phase field method for two-dimensional simulations of binary alloy solidification was studied. A model basing on solute conservative in every unit was developed for solving the solute diffusion equation during solidification. Two-dimensional computations were performed for ideal solutions and Ni-Cu dendritic growth into an isothermal and highly supersaturated liquid phase.
R.X.Liu1，H.M.Ding1，L.L.Chen1
(1.Research Studio of Solidification Simulation, College of Materials Science and Engineering,Huazhong University of Science and Technology, Wuhan 430074, China)
Abstract:A new phase field method for two-dimensional simulations of binary alloy solidification was studied. A model basing on solute conservative in every unit was developed for solving the solute diffusion equation during solidification. Two-dimensional computations were performed for ideal solutions and Ni-Cu dendritic growth into an isothermal and highly supersaturated liquid phase.
Key words:phase field; isothermal phase field model; diffusion;
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