用数学回归的方法得到了AZ91镁合金的凝固冷却速度与二次枝晶间距的定量关系式。
The quantitative relationship between secondary dendrite arm spacing and solidification cooling rate of AZ91 was obtained by regressive analysis.
为了探讨AZ 91d镁合金在较慢凝固冷却速度下的组织，对其进行了缓慢凝固处理。
In order to discuss the microstructure under slower cooling rate of as-cast AZ91D magnesium alloy, the slow solidification treatment was carried out.
利用阶梯型腔金属模和砂型模拟不同的冷却速度，研究了冷却速度对高硼钢凝固组织和性能的影响。
Simulating different solidification cooling rate with step-metal mould and sand mould, the effect of solidification cooling rate on microstructure and properties of high boron steel were studied.
AZ 91d镁合金半固态液相的凝固方式与冷却速度所决定的过冷度有重要关西安理工大学硕士学位论文系。
The solidification modes of liquid phase of semi-solid AZ91D Mg alloy were in close relationship with the degree of supercooling determined by cooling rate.
通过控制环境温度和冷却速度，模拟厚大断面球墨铸件凝固过程温度场的分布和变化规律。
The temperature distribution field and its variation rule was being simulated by controlling environmental temperature and cooling rate.
通过控制环境温度和冷却速度，模拟厚大断面球墨铸件凝固过程温度场的分布和变化规律。
The temperature distribution field and its variation rule was being simulated by controlling environmental temperature and cooling rate.
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