论述了稀土细化晶粒、减轻枝晶偏析、改善非金属夹杂物形态和分布及其对铸钢件质量的影响。
The influences of RE on solidification of steel, on dendrite segregation and on morphology of nonmetallic inclusions in steel are discussed in coordination with the authors research.
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.
利用传统的元胞自动机方法摸拟了基于溶质扩散控制界面生长机制的枝晶演变和显微偏析。
The dendrite evolution and micro-segregation based on mechanism of solute diffusion controlling interfacial growth is simulated by cellular automaton.
利用传统的元胞自动机方法摸拟了基于溶质扩散控制界面生长机制的枝晶演变和显微偏析。
The dendrite evolution and micro-segregation based on mechanism of solute diffusion controlling interfacial growth is simulated by cellular automaton.
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