According to the results, the activation energy for migration of grain boundary Q was calculated. With the increase of the amount of re, the value of Q increases.
根据实验结果，对奥氏体晶界迁移激活能(Q)进行了计算，计算表明随稀土加入量增加，Q值亦增加。
The alloy phases are mostly distributed over the grain boundary in the form of compound phases, and they can hold back grain boundary migration.
这些合金相大多以复合相形式分布于晶界上，阻止晶界的扩展。
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