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7 EPAE-3样品微观组织形貌

Fig.7 SEM-SE image of the transition region from fine grain to coarse grain (a) and TEM image of fine grain region (b) of the EPAE-3 sample (The black dotted line in Fig.7b is the grain boundary)