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Material flow in fsw of aa7075-t6 butt joints: continuous dynamic recrystallization phenomena

  • Autori: Fratini, L.; Buffa, G.; Palmeri, D.; J., H.; R., S.
  • Anno di pubblicazione: 2006
  • Tipologia: Articolo in rivista (Articolo in rivista)
  • OA Link:


n the paper the continuous dynamic recrystallization (CDRX) phenomena occurring in the FSW of AA7075-T6 butt joints is investigated at the varying of the most relevant technological and geometrical parameters. In particular, both experiments and numerical simulations obtained utilizing a 3D Lagrangian implicit, coupled, rigid-viscoplastic model have been developed on FSW butt joints. The resulting microstructure at the core of the weldings is correlated to the material flow occurring during the FSW process.