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

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

2003-03-21

arxiv.org/abs/cond-mat/0303449v2

Phys. Rev. E 68, 010602(R) (2003)

Physics

Condensed Matter

Materials Science

4 pages, 2 figures. Better final discussion. 1 reference added

Scientific paper

10.1103/PhysRevE.68.010602

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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