Nucleation and Bulk Crystallization in Binary Phase Field Theory

Abstract

We present a phase field theory for binary crystal nucleation. In the one-component limit, quantitative agreement is achieved with computer simulations (Lennard-Jones system) and experiments (ice-water system) using model parameters evaluated from the free energy and thickness of the interface. The critical undercoolings predicted for Cu-Ni alloys accord with the measurements, and indicate homogeneous nucleation. The Kolmogorov exponents deduced for dendritic solidification and for "soft-impingement" of particles via diffusion fields are consistent with experiment.

4 pages, 4 figures, accepted to PRL

References in corpus (2)

• Phase-Field Formulation for Quantitative Modeling of Alloy Solidification
• Sharp interface limit of a phase-field model of crystal grains

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