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
表1 AZ91镁合金的挤压工艺参数
Table 1 The extrude process parameters of AZ91 magnesium alloy

Sample

Ram

velocity

mm·s-1

Extrusion

ratio

Frequency

Hz

Duration

μs

Current intensity

A

Current density

107 A·m-2

Duty

ratio

250EX116∶1-----
EPAE-1116∶1100050106673.40.05
EPAE-2116∶1100050160005.10.05
EPAE-3116∶1100050200786.40.05