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以物质守恒方程、液固界面平衡方程为基础，提出一个反映多元合金系中组元间相互作用的凝固模型，并从应用的角度出发，对该模型进行了合理的简化利用这个模型对合金元素在多元 Ａｌ－Ｃｕ系合金凝固过程中的行为进行计算模拟，所得到的情况与实验结果相一致，表明这个多元系凝固模型可以为多元 Ａｌ－Ｃｕ系合金化设计作出有效的初步预测
Based on the material conservation equation and the equilibrium equation of liquid-solid interface, a solidification model reflecting the interaction between the components in the multi-element alloy system is proposed. From the perspective of application, the model is reasonably simplified. The model is applied to alloying elements The simulation results show that the multicomponent solidification model can effectively predict the multivariate Al-Cu system alloying design