Experimental and Numerical Analysis on Post Welding Formability of FSWed AZ31 Magnesium Alloy Thin Joints obtained using a “Pinless” Tool Configuration

Gianluca Buffa, Livan Fratini, Michela Simoncini, Archimede Forcellese

Risultato della ricerca: Article

Abstract

The post welding formability of friction stir welded AZ31 magnesium alloy thin sheets (1.5 mm thick), obtained using a “pinless” tool configuration, was widely investigated by means of the hemispherical punch method at 350°C, with a constant crosshead speed of 0.1 mm/s. The results were compared with those obtained on the base material. It has shown that formability of the joints is lower than the one of the base material. The experimental work was supported by a numerical investigation based on FEM in order to highlight the material flow occurring during the welding process. Additionally, hemispherical punch tests were simulated starting from the calculated conditions, in terms of accumulated strain, derived from the simulation of the welding process. Good agreement was found between the experimental and the numerical results, both for the welding and post welding forming.
Lingua originaleEnglish
pagine (da-a)831-834
Numero di pagine4
RivistaSteel Research International
Stato di pubblicazionePublished - 2012

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Metals and Alloys
  • Materials Chemistry

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