The subgrain coalescence nucleation mechanism is involved in the recrystallization process.
亚晶聚合机制对合金的再结晶发挥了作用。
It is shown from TEM analysis that the fine grained matrix materials are mainly derived from the huge clasts by subgrain rotation and local grain boundary migration.
TEM亚微分析表明，细粒基质是由粗大碎屑经过亚颗粒旋转，并伴随着局部颗粒边界迁移形成的动态重结晶颗粒。
The results show that the dislocation density decreases and the subgrain sizes increase with the increase of deformation temperature and the decrease of the strain rate;
结果表明：随着变形温度的升高和应变速率的减小，位错密度减小，亚晶粒尺寸增大；
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