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GIANLUCA BUFFA

Comparison between FSW and bonded lap joints - A preliminary investigation

  • Autori: Lertora, E.; Campanella, D.; Mandolfino, C.; Gambaro, C.; Fratini, L.; Buffa, G.
  • Anno di pubblicazione: 2017
  • Tipologia: Proceedings (TIPOLOGIA NON ATTIVA)
  • Parole Chiave: Physics and Astronomy (all)
  • OA Link: http://hdl.handle.net/10447/251075

Abstract

Difficult to weld aluminium alloys can be effectively joined by different alternative processes. Friction Stir Welding (FSW), among the solid-state processes and adhesive bonding represent two very attractive techniques. They allow the production of highly resistant joints avoiding the formation of the typical fusion weld defects. The aim of this work is to identify, analyse and compare the mechanical properties of AA6016 aluminium alloy joints made out of 1 mm thick sheets. FSW lap joints were and epoxy bonded joints were produced. Using the FSW results as benchmark, the overlap required in the bonded joint was identified to ensure the same static strength. Once the geometric configurations of the joints are known, the static and dynamic resistance of welds and bonding have been compared.