冷丝辅助旋转/摇动电弧窄间隙MAG焊缝成形特性及接头组织性能演变机制
Weld Formation Characteristics and the Evolution Mechanisms of Joint Microstructure and Mechanical Properties for Rotating/Swing Arc Narrow Gap MAG Welding Assisted by Cold Wire
冷丝辅助旋转/摇动电弧窄间隙MAG焊缝成形特性及接头组织性能演变机制 |
| 李红, 姜玉清, 曹玉鹏, 王加友, 刘澍彬 |
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Weld Formation Characteristics and the Evolution Mechanisms of Joint Microstructure and Mechanical Properties for Rotating/Swing Arc Narrow Gap MAG Welding Assisted by Cold Wire |
| LI Hong, JIANG Yuqing, CAO Yupeng, WANG Jiayou, LIU Shubin |
| 图5 冷丝送进速率(Vf2)和冷丝摆幅(daw)对摇动电弧窄间隙MAG单层焊缝成形的影响 |
| Fig.5 Effect of Vf2 on swing arc narrow gap MAG weld formation at various daw (fS = 4 Hz, darc = 8 mm, and ts = 60 ms; the red boxed areas in Figs.5c and d show the heterogeneous structures) (a-c) daw = 0 mm with Vf2 = 0 m/min (a), 3 m/min (b), and 5 m/min (c) (d) daw = 2 mm, Vf2 = 5 m/min (e) daw = 4 mm, Vf2 = 5 m/min |
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