通过引入异质形核模型、枝晶生长模型、几率形核基底模型，借鉴单元自动生长机制，仿真了等轴晶、柱状晶组织形成的过程。
Based on the cellular automata technique, the heterogeneous nucleation model, dendrite growth model and random nucleation model are used to simulate the formation of equiaxed and columnar dendrite.
核化温度升高后，样品边界定向生长的柱状晶组织减少甚至被等轴晶取代。
When the nuclear temperature increases, less columnar crystals at the border of the sample are observed and equiaxed crystals form.
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.
所制备的复合材料具有均匀的显微组织，基体中的共晶组织可依附在纤维表面形核生长。
The composites fabricated have uniform microstructures, and the eutectic structures in the matrix can attach on surface of the fiber to nucleate and to grow.
结果表明，先共晶富锌相和先共晶富铝相都具有瞬时形核特点，但生长规律不同。
The results showed that both pre eutectic Zn rich phase and Al rich phase have the same features of instantaneous nucleation but have different characteristic growth.
多晶生长暂停拉伸时，新晶粒将在柱状晶顶部晶界夹角处形核并长大，而且新晶粒的晶格取向与原有晶粒的取向无关。
When pulling halts, the combination of grains occurs, and the lattice orientation of new grain is not related to the original grains.
多晶生长暂停拉伸时，新晶粒将在柱状晶顶部晶界夹角处形核并长大，而且新晶粒的晶格取向与原有晶粒的取向无关。
When pulling halts, the combination of grains occurs, and the lattice orientation of new grain is not related to the original grains.
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