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。
During solidification of hollow ingot, its solidification and quality are seriously affected by the heat transfer boundary conditions between inner sleeve of core and cooling medium.
在空心钢锭凝固过程中，芯子内套筒与冷却介质之间的换热条件对空心钢锭的凝固过程及质量有着重要的影响。
Directional solidification technology is a technical course that use certain equipment to make directional structure material with excellent performance at determinate conditions.
定向凝固技术是指利用一定的设备，在一定的工艺条件下使材料的组织具有特殊取向从而获得优异性能的工艺过程。
This paper will discuss especially on the structure and working principle of continuous unidirectional solidification equipment under conditions of vacuum melting and argon shield.
本文将着重介绍真空熔化氩气保护连续定向凝固设备的结构特点及工作原理。
The surface acidity and catalytic characters of solidified bodies can be adjusted by means of changing compositions of the initial mixture and the conditions of solidification.
水热热压固化温度是影响固化体性能的重要条件，可以利用固化体组分的改变及固化条件的控制来调节固化体表面酸性及其催化性能。
The surface acidity and catalytic characters of solidified bodies can be adjusted by means of changing compositions of the initial mixture and the conditions of solidification.
水热热压固化温度是影响固化体性能的重要条件，可以利用固化体组分的改变及固化条件的控制来调节固化体表面酸性及其催化性能。
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