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Formation of intermetallic structures at the interface of steel-to-aluminium explosive welds

2018-08Journal article Restricted access
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dc.contributor.authorCarvalho, Gustavo
dc.contributor.authorGalvão, Ivan
dc.contributor.authorMendes, R.
dc.contributor.authorLeal, Rui
dc.contributor.authorLoureiro, A.
dc.date.accessioned2018-11-28T14:57:46Z
dc.date.available2018-11-28T14:57:46Z
dc.date.issued2018-08
dc.description.abstractThe formation of intermetallic structures at the interface of carbon steel to 6082 aluminium alloy explosive welds and their influence on the weldability of these two materials were studied. The morphology, the microstructure, the chemical and phase compositions of the welds were characterised by several types of microscopy techniques. The interface characterisation proved that explosive mixtures with a lower detonation velocity were revealed as being more suitable for achieving consistent welds since jet entrapment was prevented and continuous molten layers were not formed at the weld interface. It was also found that the physical properties of the intermetallic phases generated at the weld interface have a strong influence on the weldability of steel-to-aluminium explosive welds. Specifically, it was shown that the formation of aluminium-rich intermetallic phases at the weld interface increases the solidification time of the interfacial molten material, decreasing the weldability of these two materials. The formation of these intermetallic compounds should be avoided by reducing the interaction between the flyer and the baseplate as well as by avoiding excessive molten layers.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationCARVALHO, G. H. S. F. L; [et al] – Formation of intermetallic structures at the interface of steel-to-aluminium explosive welds. Materials Characterization. ISSN 1044-5803. Vol. 142 (2018), pp. 432-442pt_PT
dc.identifier.doihttps://doi.org/10.1016/j.matchar.2018.06.005pt_PT
dc.identifier.issn1044-5803
dc.identifier.issn1873-4189
dc.identifier.urihttp://hdl.handle.net/10400.21/9104
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationIPL/2017/EWDMat/ISELpt_PT
dc.relation.publisherversionhttps://reader.elsevier.com/reader/sd/pii/S1044580318311641?token=DC5F3E7BCA35A3F65CBA46E6BE73CD08F3BEB88878F3130A8033355F4439F873EF9166FCAB6D0EC568FBDE39D9D8E097pt_PT
dc.subjectIntermetallic phasespt_PT
dc.subjectExplosive weldingpt_PT
dc.subjectWeldabilitypt_PT
dc.subjectSteel-to aluminium weldingpt_PT
dc.subjectFases intermetálicaspt_PT
dc.subjectCaracterização interfacialpt_PT
dc.titleFormation of intermetallic structures at the interface of steel-to-aluminium explosive weldspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FEMS%2F00285%2F2013/PT
oaire.citation.endPage442pt_PT
oaire.citation.startPage432pt_PT
oaire.citation.titleMaterials Characterizationpt_PT
oaire.citation.volume142pt_PT
oaire.fundingStream5876
person.familyNameCarvalho
person.familyNameGalvão
person.familyNameMendes
person.familyNameLeal
person.givenNameGustavo
person.givenNameIvan
person.givenNameRicardo
person.givenNameRui
person.identifier.ciencia-id721D-C50C-D2BF
person.identifier.ciencia-id581F-44DA-F99D
person.identifier.ciencia-id001C-1230-7699
person.identifier.orcid0000-0002-2360-9316
person.identifier.orcid0000-0002-2580-7148
person.identifier.orcid0000-0002-3575-9733
person.identifier.orcid0000-0001-6416-0191
person.identifier.ridF-4418-2017
person.identifier.scopus-author-id57193560756
person.identifier.scopus-author-id36650802900
person.identifier.scopus-author-id7102615123
person.identifier.scopus-author-id18434853300
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublication79516328-2123-46a3-bd55-370628034325
relation.isAuthorOfPublication.latestForDiscovery77ad7655-2d94-49a7-ad9c-d15ba261a88f
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