晶体相场方法是一种能在原子尺度和扩散时间尺度模拟材料微观结构演化的新方法,它能够自洽地耦合弹塑性形变和多重晶粒位向,并能用于模拟与此相关的很多物理现象.从晶体相场模型与经典密度泛函理论之间的关系出发,详细论述了晶体相场模型的一些新进展,包括八阶拟合晶体相场模型、双模数晶体相场模型和幅值方程模型等.还描述了晶体相场方法在异质外延、多晶凝固和位错迁移等方面的应用,并展望了其未来的应用前景.
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