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4 图6区域中不同位置点的成分

Table 4 Composition at different locations in Fig.6 (mass fraction, %)

Element Al Cu Mg C O Ag Zr Point 1 90.2 2.1 0.1 6.6 0.8 0.1 0.1 Point 2 41.4 46.8 0.3 7.4 4.2 0.0 0.0 Point 3 25.1 47.9 0.1 15.1 9.9 0.2 0.2 Point 4 89.8 2.8 0.0 6.2 0.7 0.2 0.2 Point 5 63.0 21.4 0.2 12.0 3.1 0.2 0.2 Point 6 32.3 52.0 0.2 6.7 6.4 1.6 0.2 Point 7 87.5 1.7 0.0 9.7 0.9 0.0 0.3 Point 8 35.3 45.5 0.3 13.9 4.8 0.0 0.3 Point 9 44.6 37.8 0.2 12.5 4.6 0.1 0.2