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Yb–YAG laser offset welding of AA5754 and T40 butt joint

Article dans une revue avec comité de lecture
Auteur
CASALINO, Giuseppe
MORTELLO, Michelangelo
PEYRE, Patrice
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]

URI
http://hdl.handle.net/10985/9874
DOI
10.1016/j.jmatprotec.2015.04.003
Date
2015
Journal
Journal of Materials Processing Technology

Résumé

In this work, a 5754 Al alloy and T40 were joined in butt configuration by focusing a fiber laser onto the titanium side, close to the weld centerline (offset). The keyhole was made entirely of titanium, and the fusion of the aluminum was achieved by heat conduction. Neither filler metal nor chamfering was necessary to produce a sound, dissimilar weld. The assembly was free from porosity and spatter defects. The mechanical properties were satisfactory. The energy input, the laser offset, and their interaction had statistically significant effects on the ultimate tensile strength. The findings of this investigation prove the robustness and suitability of fiber laser offset welding for Al–Ti weld fabrication.

Fichier(s) constituant cette publication

Nom:
PIMM - JMPT - CASALINO - 2015.pdf
Taille:
4.178Mo
Format:
PDF
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  • Laboratoire Procédés et Ingénierie en Mécanique et Matériaux (PIMM)

Documents liés

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  • Laser offset welding of AZ31B magnesium alloy to 316 stainless steelG 
    Article dans une revue avec comité de lecture
    CASALINO, Giuseppe; GUGLIELMI, P; LORUSSO, V.D.; MORTELLO, Michelangelo; SORGENTE, D; PEYRE, Patrice (Elsevier, 2017)
    In this paper, the feasibility of using a fiber laser to perform a dissimilar metal joining was explored. AZ31B magnesium and 316 stainless steel were autogenously joined in butt configuration. The weldability between ...
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