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.
极限电流密度的增大使阴极过电位增大，从而提高合金的形核速率，使沉积层晶粒的尺寸减小、显微硬度升高。
At the same time, the increase of over-potential results in the nucleating rate and the micro-hardness of deposits increasing, while the grain size deposits decreasing.
对形变后的试样进行再结晶退火后发现，再结晶形核机制为晶界弓出形核，晶界弓出方向为储存能较高的晶粒。
Upon annealing of the deformed samples, nucleation takes place at the original grain boundaries a nd the nuclei grow into the local region with the highest stored energy.
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