Abstract
This article discusses two methods for modeling eutectic solidification using the phase-field approach. First, a multi-phase-field model is used to study the three-dimensional morphological evolution of binary eutectics. Performing the calculations in three dimensions allows observation of both lamellar and rod-like structures as well as transient phenomena such as lamellar fault motion, rod-branching, and nucleation or elimination of phases as solidification progresses. The second approach models multiple eutectic grains where the crystallizing phases have an orientation relationship. This approach is promising for modeling complex solidification microstructures.
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For more information, contact Daniel Lewis, General Electric Co., Ceramic and Metallurgy Technologies, Building MB223, One Research Circle, Niskayuna, NY 12309; (518) 387-4538; fax (518) 387-5576; e-mail lewis@research.ge.com.
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Lewis, D., Warren, J., Boettinger, W. et al. Phase-field models for eutectic solidification. JOM 56, 34–39 (2004). https://doi.org/10.1007/s11837-004-0070-1
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DOI: https://doi.org/10.1007/s11837-004-0070-1