本文研究了一种强有效的晶粒细化剂对铝合金宏观晶粒组织的影响。
The effect of a kind of efficient grain refiner on the macrostructure of aluminum alloy was investigated.
假定高温合金材料是单晶材料的集合体，通过数值模拟的方法，利用多晶与单晶之间的关系，可以由宏观材料参数估计微观单晶晶粒的材料属性。
Based on the aggregate relationship between of polycrystals and single crystals, orthotropic property of microscopic single crystals could be defined from macroscopic material by numerical simulation.
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