焊后时效对7046铝合金搅拌摩擦焊接头力学性能的影响
廖泽鑫, 李承波, 刘胜胆, 唐建国, 黄传演, 朱贤燕

Effect of Post Aging on Mechanical Properties of Friction Stir Welded 7046 Aluminum Alloy
LIAO Zexin, LI Chengbo, LIU Shengdan, TANG Jianguo, HUANG Chuanyan, ZHU Xianyan
表3 焊接接头不同区域的晶界析出相尺寸、间距和PFZ宽度 (nm)
Table 3 Size, spacing of precipitates and PFZ width at the grain boundary of different samples
SamplesFSW jointFSW joint after ageing
BMHAZNZBMHAZNZ
Size of η phase55.2±9.281.4±13.232.1±7.058.4±6.179.9±11.736.7±8.3
Interparticle spacing79.3±11.2236.3±22.4-84.5±7.8223.9±30.6-
PFZ width42.3±2.7--43.7±4.337.4±4.136.5±3.1