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5 镁合金侧水平截面上匙孔附近表征区域的选取

Fig.5 Selections of characterization regions near keyhole on horizontal cross section of Mg alloy side (800 r/min, 90 mm/min) (R—radius of shoulder, r—radius of characterization regions around keyhole, FSLW—friction stir lap welding) (a) FSLW (b) UVeFSLW