协同双面搅拌摩擦焊接6061铝合金工艺
Synergistic Double-sided Friction Stir Welding of 6061 Aluminum Alloy
- 2023年53卷第3期 页码:72-77
DOI: 10.7512/j.issn.1001-2303.2023.03.08
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唐益爽,邹阳帆,李文亚,等.协同双面搅拌摩擦焊接6061铝合金工艺[J].电焊机,2023,53(3):72-76.
TANG Yishuang, ZOU Yangfan, LI Wenya, et al.Synergistic Double-sided Friction Stir Welding of 6061 Aluminum Alloy[J].Electric Welding Machine, 2023, 53(3): 72-76.
针对常规顺序双面搅拌摩擦焊接(DS-FSW)的变形大、耗时长等问题,提出了一种协同双面搅拌摩擦焊接(SDS-FSW)技术,并通过研制的设备研究了SDS-FSW 6061铝合金接头的微观组织和力学性能。结果表明,当主轴转速为1 800 r/min,焊接速度为1 200 mm/min时,SDS-FSW焊接接头缺陷较相同焊接参数下DS-FSW接头的有所改善;在该焊接参数下,SDS-FSW接头的变形量(0.15 mm)远小于DS-FSW接头的变形量(1 mm),且接头的拉伸性能更好,SDS-FSW和DS-FSW接头的最大拉力分别为36.8 kN和34.9 kN。
In this study, aiming at solving the problems of large deformation and time-consuming of conventional double-sided friction stir welding (DS-FSW), synergetic double-sided FSW (SDS-FSW) was proposed. The microstructure and mechanical properties of the SDS-FSW 6061 aluminum alloy joints were studied by the developed special equipment. The results show that when the rotational speed is 1 800 r/min and the traverse speed is 1 200 mm/min, compared with the DS-FSW joint, the defects of the SDS-FSW joints are improved under the same welding parameters. The deformation of the SDS-FSW joint (0.15 mm) is much smaller than that of DS-FSW joint (1 mm) at this welding parameter. And the tensile performance of the SDS-FSW joints is better. The maximum tensile forces of SDS-FSW and DS-FSW joints are 36.8 kN and 34.9 kN, respectively.
双面搅拌摩擦焊接协同双面搅拌摩擦焊接6061铝合金微观组织力学性能
conventional double-sided friction stir weldingsynergistic double-sided friction stir welding6061 aluminum alloymicrostructuremechanical properties
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