超声振动对镁/铝异质合金搅拌摩擦搭接焊接头界面组织演变的影响

阴嘉琳, 石磊, 武传松

Effect of Ultrasonic Vibration on Microstructure Evolution at the Mg/Al Dissimilar Alloy Friction Stir Welded Lap Joint Interface

YIN Jialin, SHI Lei, WU Chuansong

图6 搅拌摩擦搭接焊(FSLW)和UVeFSLW工艺制备搭接接头垂直截面的OM像

Fig.6 OM images of vertical cross sections of lap joints produced by FSLW (a1-e1) and UVeFSLW (a2-e2) processes under different rotation speeds and welding speeds (dEST—effective sheet thickness) (a1, a2) 600 r/min, 90 min/mm (b1, b2) 800 r/min, 90 min/mm (c1, c2) 1000 r/min, 90 min/mm (d1, d2) 800 r/min, 60 min/mm (e1, e2) 800 r/min, 120 min/mm