用热蚀刻方法测量了合金的晶界能。
The grain boundary energy was measured with thermal etching method.
再结晶晶粒的生长速度与再结晶驱动力成正比,再结晶驱动力取决于晶界能和位错密度。
The growth velocity for recrystallized grain is proportional to the driving force of recrystallization, which is determined by the grain boundary energy and dislocation density.
而不同的石墨烯面之间存在的表面能可以通过在晶界处形成空位或者位错环而得到降低。
The interface energy that exists between the sheets could be minimized by the grain boundaries by the formation of dislocations or pairs of rings.
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。
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.
在晶界上形成形态复杂稳定的碳化物能阻止空洞的连接,从而延长了蠕变第三阶段,增加了断裂时间。
The stable eutectic carbides with complex morphologyprevent coalescence of grain boundary voids and therefore prolong tertiary creep stage and rupture time.
也使晶界峰温度大大升高和弛豫激活能显著变大。
Moreover, the Nb and C raise greatly the peak temperature and also enable the activation energy of relaxation to increase markedly.
能谱分析表明局部区域晶界含碳量约达50%。
And energy spectrum analysis indicates that carbon was reach 50% in some grain boundary.
临界变形区晶粒长大的最初驱动力是晶界两侧的畸变能差。
The primary driving force of coarse grain formation in the critical deformation region is the energy difference of distortion between both sides of grain boundaries.
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.
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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