脉冲电流对<strong>AZ91</strong>镁合金温挤压过程中动态析出和微观组织的影响

脉冲电流对AZ91镁合金温挤压过程中动态析出和微观组织的影响

王彬杉, 徐光, 任睿, 张强, 单召辉, 樊建锋

Effect of Electropulse on Dynamic Precipitation and Microstructure of AZ91 Magnesium Alloy During Warm Extrusion

WANG Binshan, XU Guang, REN Rui, ZHANG Qiang, SHAN Zhaohui, FAN Jianfeng

图8 250EX及EPAE-3样品典型的EBSD结果

Fig.8 Typical EBSD results of 250EX alloy (a-c) and EPAE-3 alloy (d-f) (TD—transverse direction, f_LAGB—fraction of low angle grain boundary)
(a, d) invers pole figures (IPFs) (b, e) (0001) pole figures (PFs) (c, f) grain boundary misorientation angle distributions