近年来发展起来的PFM模型根据"溶质捕捉"和"溶质牵引"两种机制对金属及合金快速凝固过程进行数学描述及模拟, 较好地反映了金属凝固的物理本质. 介绍了PFM模型发展过程、研究现状及理论模型, 并对发展前景进行了展望.
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