改善中心偏析关键在于控制液相穴末端的枝晶间液相的流动状况。
The control of the interdendritic flow at the end of the liquid pool is important to prevent the centreline segregation.
偏析的生成是因为局部加压使枝晶间的残余金属液产生局部流动而形成的。
Segregation is caused by remained metal liquid, which is driven by local pressure.
偏析的生成是因为局部加压使枝晶间的残余金属液产生局部流动而形成的。
Segregation is caused by remained metal liquid, which is driven by local pressure.
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