焊接构造对T型接头超低周疲劳性能的影响

余文韬,谢旭,成程

Effects of welding details on ultra-low cycle fatigue performance of T-welded joint

Wen-tao YU,Xu XIE,Cheng CHENG

表 4 焊缝表面凹凸曲线半径-疲劳寿命对照表

Tab.4 Comparison table of radius of concave convex curve of weld surface-fatigue life

曲线类型 Nf r0=0.2 mm r0=0.5 mm r0=1.0 mm r0=2.0 mm 凹陷 4.71 9.76 18.31 27.53 凸起 27.22 10.32 6.37 5.98