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Structural Anatomy of Tunnel Void Defect in Bobbin Friction Stir Welding, Elucidated by the Analogue Modelling

Department of Mechanical Engineering, University of Canterbury, Christchurch 8140, New Zealand
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Appl. Syst. Innov. 2020, 3(1), 2; https://doi.org/10.3390/asi3010002
Received: 29 November 2019 / Revised: 13 December 2019 / Accepted: 19 December 2019 / Published: 20 December 2019
The potential position for tunnel defect within the structure of bobbin-tool friction stir welds was studied by analogue modelling. The welding process was simulated on layered plasticine slabs instead, compared to the aluminum plates. Observations in the modelled structure showed a high possibility for a continuous channelled discontinuity, like a tunnel-shaped void defect, in the entry zone of the weld, which mirrors the metal welding. The anatomy of tunnel defect in the entry zone was explained according to the mechanics of material during the plastic deformation process. View Full-Text
Keywords: friction stir welding; bobbin tool; analogue modelling; tunnel void defect friction stir welding; bobbin tool; analogue modelling; tunnel void defect
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MDPI and ACS Style

Tamadon, A.; Pons, D.J.; Clucas, D. Structural Anatomy of Tunnel Void Defect in Bobbin Friction Stir Welding, Elucidated by the Analogue Modelling. Appl. Syst. Innov. 2020, 3, 2. https://doi.org/10.3390/asi3010002

AMA Style

Tamadon A, Pons DJ, Clucas D. Structural Anatomy of Tunnel Void Defect in Bobbin Friction Stir Welding, Elucidated by the Analogue Modelling. Applied System Innovation. 2020; 3(1):2. https://doi.org/10.3390/asi3010002

Chicago/Turabian Style

Tamadon, Abbas; Pons, Dirk J.; Clucas, Don. 2020. "Structural Anatomy of Tunnel Void Defect in Bobbin Friction Stir Welding, Elucidated by the Analogue Modelling" Appl. Syst. Innov. 3, no. 1: 2. https://doi.org/10.3390/asi3010002

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