Characterisation of 4043 aluminium alloy deposits obtained by wire and arc additive manufacturing using a Cold Metal Transfer process

Abstract : 4043 aluminium deposits were elaborated using a 3D print device equipped with a Cold Metal Transfer welding source. Two sets of process parameters leading to different average powers were compared in order to establish the relations between the powers and energies produced and the geometrical characteristics of the deposits. The effects of the travel speed and layer superposition on the transfer mechanisms as well as on the geometrical characteristics of the deposits were discussed for both sets of parameters. Finally, the formed microstructures were analysed and the porosity defects were quantified and discussed with regard to the heat input characteristics and the solidification conditions.
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Arturo Gomez Ortega, Luis Corona Galvan, Mehdi Salem, Kamel Moussaoui, Stéphane Segonds, et al.. Characterisation of 4043 aluminium alloy deposits obtained by wire and arc additive manufacturing using a Cold Metal Transfer process. Science and Technology of Welding and Joining, Maney Publishing, 2019, 24 (6), pp.538-547. ⟨10.1080/13621718.2018.1564986 ⟩. ⟨hal-01990880⟩

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