2005•Unpublished venueRequires access
Phase-field simulations of dendritic growth in aluminum alloy directional solidification
Zhang Li-pan
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Abstract
A new phase-field model is developed based on the entropy functional,proposed by Wang et al..The dendritic growth processes during isothermal directional solidifications in a Al-4.5%Cu binary alloy are simulated by using the phase-field model.Solute diffusion equation was solved simultaneously.The equiaxed and columnar dendritic growth,solute profile in undercooled liquid alloy are investigated under the positive temperature gradient.