Towards a quantitative phase-field model of two-phase solidification

被引：66
作者：
Folch, R [1 ]
Plapp, M [1 ]
机构：
[1] Ecole Polytech, Phys Mat Condensee Lab, CNRS, F-91128 Palaiseau, France
来源：
PHYSICAL REVIEW E | 2003年 / 68卷 / 01期
关键词：
D O I：
10.1103/PhysRevE.68.010602
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
We construct a diffuse-interface model of two-phase solidification that quantitatively reproduces the classic free boundary problem on solid-liquid interfaces in the thin-interface limit. Convergence tests and comparisons with boundary integral simulations of eutectic growth show good accuracy for steady-state lamellae, but the results for limit cycles depend on the interface thickness through the trijunction behavior. This raises the fundamental issue of diffuse multiple-junction dynamics.
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