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金属学报  2003 

难混溶合金凝固过程中宏观偏析形成的数值模拟

, PP. 679-685

Keywords: 难溶合金黄,Al-In,合金,凝固

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Abstract:

基于分离粒子法,建立了一个模拟难混合金凝固过程中第二相宏观偏析过程的模型.此模型考虑了实际凝固过程中的诸多因素,包括形核,扩散长大,Ostwald熟化,Brownian碰撞以及运动碰撞的影响.对Al-30%In合金的模拟结果与实验结果吻合较好,反映了所建立模型较好的理论预测能力.

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