Simultaneous measurement of tool torque, traverse force and axial force in friction stir welding

Su, Hao; Wu, Chuansong; Pittner, Andreas; Rethmeier, Michael

doi:10.1016/j.jmapro.2013.09.001

Cited by 121 publications

(58 citation statements)

References 14 publications

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“…The vertical force as a function of processing time of AA6082-T6 alloy shows a behaviour that is in excellent agreement with the one obtained on AA2024 by Su et al [15], by Astarita et al [17], and by Trimble et al [18], on AA6061 by Janaki Ramulu et al [26] and on AZ31 Mg alloy by Forcellese et al [19]. Figure 5 shows the comparison between the F-t curves as a function of the ω and v values, with and without the dwelling stage.…”

Section: Resultssupporting

confidence: 90%

Influence of Process Parameters on the Vertical Forces Generated during Friction Stir Welding of AA6082-T6 and on the Mechanical Properties of the Joints

Forcellese

Simoncini

Casalino

2017

Metals

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Abstract:The influence of the process parameters on the vertical force generated during friction stir welding of AA6082-T6 aluminium alloy sheet blanks was studied by performing experiments with constant values of the rotational speed, varying between 1200 and 2500 rpm, and welding speed, ranging between 30 and 100 mm/min. The effect of the tool dwelling was also analysed. The force vs. processing time curve has shown a very complex behaviour during the lowering motion of the pin tool related to the occurrence of both primary and secondary plunging. The tool dwelling produces a quick decrease in the vertical force with growing processing time until reaching a constant value. It was also seen that the tool dwelling does not influence the vertical force in the subsequent stage. As the tool began its welding motion, the vertical force immediately gets to a constant value until tool pulling out takes place. Furthermore, it was shown that the growth in the welding speed and the decrease in the rotational speed lead to an increase in the vertical force. The mechanical properties of the joints were evaluated versus the process parameters and the relationships among the ultimate tensile strength and ultimate elongation and the vertical force were defined. Finally, the microstructure developed during the friction stir welding was investigated and related to the mechanical properties of the joints.

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Section: Resultssupporting

confidence: 90%

Influence of Process Parameters on the Vertical Forces Generated during Friction Stir Welding of AA6082-T6 and on the Mechanical Properties of the Joints

Forcellese

Simoncini

Casalino

2017

Metals

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show abstract

“…Four different parameters (tool rotation speed in rpm/welding speed in mm/min) were selected: case I (400/80), case II (400/160), case III (800/80) and case IV (800/160). During the welding process, both tool torque and axial force were monitored in real-time [25]. Meanwhile, the thermal cycles were measured using K type thermocouples embedded into little holes at locations that are Table 2 lists the measured tool torque and axial force.…”

Section: Experimentationmentioning

confidence: 99%

Numerical modeling for the effect of pin profiles on thermal and material flow characteristics in friction stir welding

Bachmann

et al. 2015

Materials & Design

154

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“…The style of dynamic re-crystallization in the NZ is also studied. traverse force (x-axis) and axial force (z-axis) simultaneously [18].…”

Section: Introductionmentioning

confidence: 99%

Special grain boundaries in the nugget zone of friction stir welded AA6061-T6 under various welding parameters

Wang

Zou

Liu

et al. 2016

Materials Science and Engineering: A

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Simultaneous measurement of tool torque, traverse force and axial force in friction stir welding

Cited by 121 publications

References 14 publications

Influence of Process Parameters on the Vertical Forces Generated during Friction Stir Welding of AA6082-T6 and on the Mechanical Properties of the Joints

Influence of Process Parameters on the Vertical Forces Generated during Friction Stir Welding of AA6082-T6 and on the Mechanical Properties of the Joints

Numerical modeling for the effect of pin profiles on thermal and material flow characteristics in friction stir welding

Special grain boundaries in the nugget zone of friction stir welded AA6061-T6 under various welding parameters

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