2195-2219异种铝合金焊接接头的微观组织和性能

聂敬敬, 龚政轩, 孙京丽, 杨斯达, 夏先朝, 徐爱杰

Microstructure and Properties of Butt Welding Joints of 2195-2219 Al-alloy Plates

NIE Jingjing, GONG Zhengxuan, SUN Jingli, YANG Sida, XIA Xianchao, XU Aijie

图3 3#样品不同区域位置的金相照片

Fig.3 Metallographic of 3# sample at different locations (a) overall morphology of the welded joint; (b) connection between 2195 side and weld zone; (c) weld center zone; (d) connection between 2219 side and weld zone; (e) 2219 base metal