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

表3 图5区域中不同位置点的成分

Table 3 Composition at different locations in Fig.5 (mass fraction, %)

Element Al Cu Mg C O Ag Zr Point 1 88.2 3.8 0.4 6.0 1.3 0.4 0.0 Point 2 47.8 34.2 0.5 13.5 3.7 0.3 0.1 Point 3 88.4 4.4 0.4 6.1 0.5 0.2 0.0 Point 4 52.5 31.0 0.4 11.4 4.1 0.6 0.0 Point 5 86.2 3.1 0.3 9.0 1.3 0.0 0.0 Point 6 51.4 31.9 0.4 12.7 3.2 0.5 0.0