围绕振动熵对凝固过程形核动力学的影响进行了讨论，提出了关于体现振动熵影响的凝固形核率的表达式。
The effect of entropy of vibration on the dynamics of forming nucleus of solidification processing was discussed and a expression for the rate of forming nucleus during solidifying was put forward.
极大的冷却速率使得接头组织瞬间形核并快速生长，形成组织细小致密具有快速凝固特征的焊接接头。
Due to very high cooling rate, the nugget structure rapidly nucleates and grows. The refined microstructure of the nugget with rapidly solidified characteristic is formed.
脉冲电流对金属凝固组织的作用机理主要是脉冲电流诱发形核机制。
The mechanism that the solidification microstructure can be refined by pulse current treatment is primary pulse current induced nucleation.
综合热传导方程与过冷形核、生长规律，用显式有限差分法模拟了共晶铸铁的凝固过程。
An explicit finite-difference method (FDM) was used to model and simulate the solidification of eutectic cast iron by combining heat transfer equations with undercooling nucleation and growth laws.
金属凝固过程中加入形核剂是改善金属材料组织和性能的常用方法。
Adding nucleating agents to metal liquid is a common way to improve the structure and mechanical properties in solidification process.
[4] 宋佳佳， 郭德燕，邓超，等。孕育形核处理对金锡共晶合金铸态凝固组织的影响[J]。稀有金属材料与工程， 2013，42（4）：756-760。
SONG J J, GUO D Y, DENG C, et al. Effect of incubated nucleation treatment on solidification microstructure of Au-Sn eutectic alloy[J]. Rare Metal Materials and Engineering, 2013, 42(4):756-760.
结果表明：储能焊能够实现TC4钛合金薄板的快速凝固焊接，焊接接头由熔核和熔核向母材过渡的熔合区（线）组成。
The results show that the welding of TC4 can be realized by capacitor discharge welding. The joint microstructure consists of nugget zone and semi-melt zone.
结果表明：储能焊能够实现TC4钛合金薄板的快速凝固焊接，焊接接头由熔核和熔核向母材过渡的熔合区（线）组成。
The results show that the welding of TC4 can be realized by capacitor discharge welding. The joint microstructure consists of nugget zone and semi-melt zone.
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