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定向凝固过程中的界面形态对凝固组织有着决定性作用,相场法可以很好地展示凝固过程固液界面形态的演变。阐述了定向凝固相场方法数值模拟的基本原理及国内外研究现状,并指出了该领域目前面临的问题及未来发展趋势。

In directional solidification,the interface morphology has a crucial influence on the solidified struc-ture,and the evolution of interface morphology can be displayed by means of phase field method.This paper discusses the principle of phase field simulation for directional solidification and reviews the latest domestic and overseas deve-lopment in this area.Moreover,it gives the existing problems and development trends.

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