CRH2A型动车组缓冲梁结构焊接残余应力的有限元模拟*
朱瑞栋, 董文超, 林化强, 陆善平, 李殿中

FINITE ELEMENT SIMULATION OF WELDING RESIDUAL STRESS FOR BUFFER BEAM OF CRH2A HIGH SPEED TRAIN
ZHU Ruidong, DONG Wenchao, LIN Huaqiang, LU Shanping, LI Dianzhong
表1 T型焊接接头焊接实验参数
Table 1 Welding parameters for T-shape welds
Process Welding speed / (mm·s-1) Current / A Voltage / V
HW1 8.6 222 24.5
HW2 7.0 196 24.6