基于本工作第I部分建立的挤压铸造凝固过程热--力耦合数学模型及求解方法, 开发了相应的模拟计算软件. 基于Gleeble高温力学行为测试数据所得的本构关系, 采用开发的软件对不同工艺条件下A356铝合金挤压铸造凝固过程进行了模拟计算, 模拟结果与实验结果一致, 表明所建立的模型对挤压铸造过程热和力的分析是正确的.
Based on the thermomechanical model and solution methodology described in Part I, a finite element program for simulating the solidification process of squeeze casting was developed. By using the program and a constitutive relationship based on Gleeble test data, the solidification processes of A356 aluminum alloy under different process parameters were simulated. Squeeze casting experiments were carried out for validating the developed model and program. It is shown that the results of numerical simulation are in good agreement with the experimental results.
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