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10 匙孔水平截面镁合金和铝合金基体侧材料流动的OM像

Fig.10 Horizontal cross-sectional OM images showing material flows around keyhole on Mg alloy (a1, a2) and Al alloy (b1, b2) matrix sides produced by FSLW (a1, b1) and UVeFSLW (a2, b2) processes (White dotted circles represent ideal boundary of material mixing area, yellow dotted lines represent actual boundary of material mixing area)