轴向超声振动对搅拌摩擦焊过程中金属流动行为的影响

何长树, 郄默繁, 张志强, 赵骧

Effect of Axial Ultrasonic Vibration on Metal Flow Behavior During Friction Stir Welding

HE Changshu, QIE Mofan, ZHANG Zhiqiang, ZHAO Xiang

图11 采用无螺纹搅拌头焊接的FSW和UAFSW接头搅拌区铝箔的分布特征

Fig.11 Distribution characteristics of aluminum foil in the SZ of FSW (a) and UAFSW (b) joints welded by smooth pin tool under rotation rate 1200 r/min and welding rate 160 mm/min