结果表明:分形晶化过程中晶核长大效应明显影响分形体结构。
The results indicate that the growth effect of nuclei strongly influences the fractal structure during crystallization.
其主要原因是脉冲电流产生的脉冲压力对晶核的形成和长大产生了影响。
The basic reason is that the pulse pressure, produced by the pulse current, affects the nucleation and growth of the alloy.
钢水的凝固过程是晶核的形成及长大过程,而晶核的形成则依靠钢水的过冷度和钢水中的固体质点。
The solidification process of liquid steel is forming and growing pro cess of crystal nucleus, and formation of crystal nucleus depends on overcooling degree and solid particles in liquid steel.
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