半固态7075铝合金搅拌摩擦焊接头晶间腐蚀行为研究

丁智超, 张树国, 肖晓春, 汪迪, 李文杰, 姜丽红

Intergranular Corrosion Behavior of Friction Stir Welded Joints of Semi-solid 7075 Al-alloy

DING Zhichao, ZHANG Shuguo, XIAO Xiaochun, WANG Di, LI Wenjie, JIANG Lihong

图1 流变挤压铸造成形7075铝合金铸件

Fig.1 Rheological squeeze casting forming 7075 Al-alloy virgin material: (a) virgin casting, (b, c) pre-finished material, (d) welded plate