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1 脉冲电流辅助挤压(EPAE)工艺以及脉冲电流产生的方波示意图
Fig.1 Schematic of the EPAE process and square wave generated by electric pulsing (EPAE—electropulse-assisted extrusion, ED—extrusion direction, Jm—peak pulse current density, τp—pulse width, τs—pulse spacing)