The quantitative relationship between secondary dendrite arm spacing and solidification cooling rate of AZ91 was obtained by regressive analysis.
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。
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.
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。
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.
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。
In order to discuss the microstructure under slower cooling rate of as-cast AZ91D magnesium alloy, the slow solidification treatment was carried out.
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。
According to classical solidification theory and the mechanism of solidification microstructure under pulse current, the effect of super-cooling degree variation on nucleation rate was discussed.
通过讨论过冷度的变化对形核率的影响，研究了电流产生的电磁力效应及焦耳热效应对过冷度的影响，建立了电流与过冷度的关系式。
According to classical solidification theory and the mechanism of solidification microstructure under pulse current, the effect of super-cooling degree variation on nucleation rate was discussed.
通过讨论过冷度的变化对形核率的影响，研究了电流产生的电磁力效应及焦耳热效应对过冷度的影响，建立了电流与过冷度的关系式。
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