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4 挤压态AZ91镁合金样品的OM及SEM-BSE像
Fig.4 Low (a-d) and high (e-h) magnification OM images and SEM-BSE images (i-l) of the extrude AZ91 magnesium alloy samples (The black dashed areas in Figs.4b-d are coarse-grained areas, and the black arrows in Figs.4f-h are long-strip second phases)
(a, e, i) 250EX (b, f, j) EPAE-1 (c, g, k) EPAE-2 (d, h, l) EPAE-3