Phase-field Modeling of Eutectic Solidification: From Oscillations to Invasion

Details Phase-field Modeling of Eutectic Solidification: From Oscillations to Invasion Phase-field Modeling of Eutectic Solidification: From Oscillations to Invasion

2002-06-13

arxiv.org/abs/cond-mat/0206237v1

Interface and Transport Dynamics, pp. 182-189, edited by H. Emmerich, B. Nestler, and M. Schreckenberg, Springer (2003).

Physics

Condensed Matter

Materials Science

8 pages in revtex, 2 figures included. Proceedings of the workshop "Computational Physics of Transport and Interface Dynamics"

Scientific paper

We develop a phase-field model of eutectic growth that uses three phase fields, admits strictly binary interfaces as stable solutions, and has a smooth free energy functional. We use this model to simulate oscillatory limit cycles in two-dimensional lamellar growth, and find a continuous evolution from low-amplitude oscillations to successive invasions of one solid phase by the other when the lamellar spacing is varied.

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