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3 焊接试件
Fig.3 Welding test specimen