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Experimental and numerical study to minimize the residual stresses in welding of 6082-T6 aluminum alloy

2021Journal article Open access
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dc.contributor.authorCosta, Sharlane
dc.contributor.authorSouza, Maria Sabrina
dc.contributor.authorBraz-César, Manuel
dc.contributor.authorGonçalves, José
dc.contributor.authorRibeiro, J.E.
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2021-11-22T14:46:29Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2021-11-22T14:46:29Z
dc.date.issued2021
dc.description.abstractOne of the most important negative consequence in the fusion welding processes is the generation of tensile residual stresses in welded joints. The main goals of this work are to determine the optimal combination of welding parameters to minimize the residual stress level and the influence of each welding parameter in that feature to weld 6082-T6 aluminum alloy plates using the GMAW welding process. To achieve these goals was implemented the Taguchi orthogonal array (L27) to define the design of numerical and experimental tests. All combinations were simulated in the Simufactwelding 6.0 software, from which it was possible to obtain the values of maximum residual stresses. The data treatment was carried out, reaching the combination of levels for each parameter. With ANOVA analysis was found that the parameter with the greatest influence in the residual stress generation was the welding speed, while the parameter with the least influence was the torch angle. Also, to minimize the residual stresses it was observed that the optimal combination of welding parameters is welding current intensity of 202 A, welding speed of 10 mm/s, and 30° of inclination of the angular torch. The two simulations that resulted in the highest and lowest residual stresses were validated experimentally by the hole drilling method to measure the residual stresses.en_EN
dc.description.sponsorshipThis work has been supported by FCT-Fundação para a Ciência e Tecnologia within the R&D Units Project Scope: CIMO (UIDB/00690/2020).
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationCosta, Sharlane; Souza, Maria S.; César, Manuel B.; Gonçalves, José; Ribeiro, João E. (2021). Experimental and numerical study to minimize the residual stresses in welding of 6082-T6 aluminum alloy. AIMS Materials Science. ISSN 2372-0484. 8:2, p. 271-282en_EN
dc.identifier.doi10.3934/MATERSCI.2021018en_EN
dc.identifier.issn2372-0484
dc.identifier.urihttp://hdl.handle.net/10198/24263
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.relationMountain Research Center
dc.subjectAluminum alloyen_EN
dc.subjectGMAWen_EN
dc.subjectHole-drilling methoden_EN
dc.subjectResidual stressesen_EN
dc.subjectTaguchi methoden_EN
dc.subjectWelding numerical simulationen_EN
dc.subjectWelding parametersen_EN
dc.titleExperimental and numerical study to minimize the residual stresses in welding of 6082-T6 aluminum alloyen_EN
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMountain Research Center
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameBraz-César
person.familyNameGonçalves
person.familyNameRibeiro
person.givenNameManuel
person.givenNameJosé
person.givenNameJ.E.
person.identifierR-000-7ZW
person.identifierR-000-6Y8
person.identifier.ciencia-id5C10-B764-22E3
person.identifier.ciencia-id8112-DCE2-D025
person.identifier.ciencia-id0F15-FB62-29DB
person.identifier.orcid0000-0001-5640-0714
person.identifier.orcid0000-0002-5499-1730
person.identifier.orcid0000-0001-6300-148X
person.identifier.ridB-8547-2018
person.identifier.ridG-3839-2018
person.identifier.scopus-author-id53663179600
person.identifier.scopus-author-id48361230200
person.identifier.scopus-author-id25638652400
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
relation.isAuthorOfPublicationa99f08f6-5b97-4571-a6e4-07dee53fb527
relation.isAuthorOfPublication6a3b0b39-7fe9-4450-94f4-ced3941947da
relation.isAuthorOfPublicationc90169e6-7889-4270-a096-35b98c75f9f9
relation.isAuthorOfPublication.latestForDiscoverya99f08f6-5b97-4571-a6e4-07dee53fb527
relation.isProjectOfPublication29718e93-4989-42bb-bcbc-4daff3870b25
relation.isProjectOfPublication.latestForDiscovery29718e93-4989-42bb-bcbc-4daff3870b25

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