Metal transfer modes for Wire Arc Additive Manufacturing Al-Mg alloys: Influence of heat input in microstructure and porosity

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dc.contributor.authorAldalur, E.
dc.contributor.authorSuárez, A.
dc.contributor.authorVeiga, F.
dc.contributor.institutionFABRIC_INTEL
dc.contributor.institutionTecnalia Research & Innovation
dc.date.accessioned2024-07-24T12:00:27Z
dc.date.available2024-07-24T12:00:27Z
dc.date.issued2021-11
dc.descriptionPublisher Copyright: © 2021 Elsevier B.V.
dc.description.abstractWire Arc Additive Manufacturing (WAAM), an additive manufacturing technology for the manufacture of medium-to-large size metallic parts, is generating great interest. This technology employs aluminum alloys that are of immense interest for manufacturing, due to their high strength-weight ratio, corrosion resistance and utilization in different industries. Among these materials, some of the most widely used in various industrial fields are alloys classified within the 5000 series that are of good weldability and, consequently, very suitable for WAAM technology. In this paper, aluminum alloy 5356 is analyzed in the Gas Metal Arc Welding (GMAW)-based WAAM technological process. From among the various recommended working modes of different manufacturers, three working modes for aluminum alloys are compared: pulsed-GMAW mode, Cold Arc mode and pulsed-AC mode. To do so, test samples composed of single mono-layer weld beads and single-bead walls are manufactured using each working mode and micro and macro-structural properties, geometrical shape and porosity levels of the finished products are evaluated. As a novelty, this paper includes pulsed-AC as a new transfer mode for application on aluminum. Not only does it show its viability for the manufacture of parts by WAAM, but it also allows the reduction of the presence of pores by more than six times compared to Cold Arc mode and ten times compared to pulsed-GMAW mode. This aspect makes it a very attractive mode for use on this aluminum alloy.en
dc.description.sponsorshipThis work was supported by the Basque Government [ ZL-2020/00017 and kk-2020/00042 ].
dc.description.statusPeer reviewed
dc.identifier.citationAldalur , E , Suárez , A & Veiga , F 2021 , ' Metal transfer modes for Wire Arc Additive Manufacturing Al-Mg alloys : Influence of heat input in microstructure and porosity ' , Journal of Materials Processing Technology , vol. 297 , 117271 . https://doi.org/10.1016/j.jmatprotec.2021.117271
dc.identifier.doi10.1016/j.jmatprotec.2021.117271
dc.identifier.issn0924-0136
dc.identifier.urihttps://hdl.handle.net/11556/3042
dc.identifier.urlhttp://www.scopus.com/inward/record.url?scp=85108838329&partnerID=8YFLogxK
dc.language.isoeng
dc.relation.ispartofJournal of Materials Processing Technology
dc.relation.projectIDEusko Jaurlaritza, ZL-2020/00017-kk-2020/00042
dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.subject.keywordsAl-5356
dc.subject.keywordsCold Arc
dc.subject.keywordsPorosity analysis
dc.subject.keywordsPulsed-AC mode
dc.subject.keywordsWAAM
dc.subject.keywordsCeramics and Composites
dc.subject.keywordsComputer Science Applications
dc.subject.keywordsMetals and Alloys
dc.subject.keywordsIndustrial and Manufacturing Engineering
dc.subject.keywordsSDG 9 - Industry, Innovation, and Infrastructure
dc.titleMetal transfer modes for Wire Arc Additive Manufacturing Al-Mg alloys: Influence of heat input in microstructure and porosityen
dc.typejournal article
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