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3 搅拌摩擦焊(FSW)和UAFSW接头横截面形貌的OM像[22]
(a) friction stir welding (FSW) joint (b) UAFSW joint
Fig.3 Cross-sectional OM images of the joints welded at rotation rate 1200 r/min and welding rate 160 mm/min (SDZ—shoulder-driven zone, PDZ—pin-driven zone, SWZ—swirl zone, TZ—transition zone)[22]