Sustainability Analysis of Friction Stir Welding of AA5754 Sheets

The environmental impact of friction stir welding process vs. welding parameters was evaluated and analysed in detail. To this purpose, butt joints in AA5754 aluminum alloy sheets were obtained at different rotational and welding speeds. All input and output data, in terms of materials, energies and...

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Bibliographic Details
Published in:Procedia CIRP 2017, Vol.62, p.529-534
Main Authors: Bevilacqua, Maurizio, Ciarapica, Filippo Emanuele, D’Orazio, Alessio, Forcellese, Archimede, Simoncini, Michela
Format: Article
Language:English
Subjects:
aluminium alloy
environmental impact
friction stir welding
life cycle assessment
sustainable manufacturing
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Summary:The environmental impact of friction stir welding process vs. welding parameters was evaluated and analysed in detail. To this purpose, butt joints in AA5754 aluminum alloy sheets were obtained at different rotational and welding speeds. All input and output data, in terms of materials, energies and emissions, were collected and analyzed using a life cycle assessment software in order to evaluate the environmental impact index. Sound weld was used as functional unit and all energy and material flows were based on it. The results given by the life cycle assessment analysis has shown that the environmental impact of friction stir welding is strongly affected by rotational and welding speeds. The environmental impact was also related to the mechanical properties of joints, expressed as ultimate tensile strength and ultimate elongation.
ISSN:2212-8271
2212-8271
DOI:10.1016/j.procir.2016.06.081