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Grain Boundary Evolution of Cold-Rolled FePd Alloy during Recrystallization at Disordering Temperature

机译:冷轧FePd合金无序再结晶过程中的晶界演化

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摘要

In this study, the grain boundary character and texture of 50% and 90% cold-rolled FePd alloy was investigated during recrystallization at 700 °C. Electron backscatter diffraction (EBSD) measurements were performed on the rolling direction to normal direction section. Kernel average misorientation (KAM) calculated from EBSD measurements was employed to determine the recrystallization fraction. The Avrami exponent n of recrystallization is 1.9 and 4.9 for 50% and 90% cold rolling, respectively. The new formation of texture reveals random texture during the recrystallization process. As annealing time increased, the number of high angle boundary (HAGB) and coincidence site lattice (CSL) increased with consumption of low angle boundary (LAGB). In addition, possible transformations between different grain boundaries are observed here.
机译:在这项研究中,研究了在700°C下再结晶过程中50%和90%的冷轧FePd合金的晶界特征和织构。在向法线方向的轧制方向上进行电子背散射衍射(EBSD)测量。根据EBSD测量结果计算的内核平均取向差(KAM)用于确定重结晶率。对于50%和90%的冷轧,重结晶的Avrami指数n分别为1.9和4.9。纹理的新形成揭示了在再结晶过程中的随机纹理。随着退火时间的增加,高角度边界(HAGB)和重合位点晶格(CSL)的数量随低角度边界(LAGB)的消耗而增加。另外,这里观察到不同晶界之间可能的转变。

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