随变形温度升高,再结晶区域增大。
As the temperature elevating, dynamic recrystallization was more fully.
焊核区由于动态再结晶具有细小的等轴晶粒,旁边存在一个特殊的组织形貌——热机影响区域。
The fine grain and narrow HAZ were found in friction stir weld and the dynamic recrystallization produces fine grain.
结果表明,奥氏体的再结晶发生在钢的正常淬火温度以上的一个温度范围,并在该范围内存在晶粒细化效果最佳的温度区域;
The results showed that the austenite recrystallization occurs in a temperature range biger than thenormal quenching temperature and there is an optimum temperature range for the grain refining.
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