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Experimental Study of the Forces Acting on the Tool in the Friction-Stir Welding of AA 2024 T3 Sheets

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Abstract

In this paper, AA 2024 T3-rolled sheets were joined in butt joint configuration through the friction stir welding process. Different joints were carried out varying the principal process parameters (i.e., tool welding speed and tool rotational speed). The aim of this work was the study and the experimental characterization of the influence of the process parameters on the forces acting on the tool during the FSW process. Furthermore, it was studied the correlation between the forces and the grain size, in particular with the extension of the heat-affected zone. Forces acting along the axis parallel to the tool are actually greater than those acting along welding direction. All the recorded forces are strictly dependant on the process parameters adopted. No correlation has been found between the grain dimension within the weld bead and the recorded forces, while the greater the forces, the narrower the extension of the heat-affected zone.

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Authors and Affiliations

  1. Department of Chemical, Materials and Industrial Production Engineering, University of Naples Federico II, Piazzale Tecchio 80, 80125, Naples, Italy

    A. Astarita, A. Squillace & L. Carrino

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  1. A. Astarita
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  2. A. Squillace
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  3. L. Carrino
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Correspondence to A. Astarita.

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Astarita, A., Squillace, A. & Carrino, L. Experimental Study of the Forces Acting on the Tool in the Friction-Stir Welding of AA 2024 T3 Sheets. J. of Materi Eng and Perform 23, 3754–3761 (2014). https://doi.org/10.1007/s11665-014-1140-3

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  • DOI: https://doi.org/10.1007/s11665-014-1140-3

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