The porosity gradient of porous aluminium is mostly affected not only by the spontaneous stacking density of granules, but also by the infiltration pressure gradient and solidification sequence.
多孔铝合金的孔隙率梯度主要是由渗流驱动压力梯度与凝固顺序所决定，而颗粒的自然堆积密度影响相对较小。
The temperature gradient in front of S/L interface was measured on Zone Melting Liquid Metal Cooling(ZMLMC) directional solidification apparatus.
对定向凝固区域熔化液态金属冷却法的固液界面前沿温度梯度进行了测定。
The microstructure characteristics and microsegregation of DD2 single crystal have been studied under ultra-high temperature gradient and rapid solidification conditions by laser rapid remelting.
利用激光快速熔凝技术对DD 2单晶合金在超高温度梯度和快速凝固条件下的组织形态和元素的微观偏析行为进行了研究。
The effects of temperature gradient and interfacial growth velocity on solid-liquid interface morphology were studied with succinonitrile under the unidirectional solidification system.
以琥珀腈为研究对象，用设计的定向凝固实验体系，研究了不同温度梯度和界面生长速度对固液界面形貌的影响。
The temperature gradient has a great effect on the microstructure in hyporapid solidification.
温度梯度对亚快速凝固组织影响很大。
Within a suitable range of temperature gradient, channel segregation is easy to develop when solidification rate is slow.
对适当范围的温度梯度，凝固速度较小时通道偏析易于形成。
Some rules of computer numerical simulation for the directional solidification with steep temperature gradient have been found out.
本文探讨大温度梯度下铸件定向凝固过程数值模拟的一些规律性。
Some rules of computer numerical simulation for the directional solidification with steep temperature gradient have been found out.
本文探讨大温度梯度下铸件定向凝固过程数值模拟的一些规律性。
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