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Aluminum-to-Steel Cladding by Explosive Welding

2020-08-06Journal article Open access
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datacite.subject.fosCiências Naturais::Outras Ciências Naturais
datacite.subject.sdg03:Saúde de Qualidade
datacite.subject.sdg12:Produção e Consumo Sustentáveis
datacite.subject.sdg13:Ação Climática
dc.contributor.authorCarvalho, Gustavo H. S. F. L.
dc.contributor.authorGalvão, Ivan
dc.contributor.authorMendes, Ricardo
dc.contributor.authorLeal, Rui M.
dc.contributor.authorLoureiro, Altino
dc.date.accessioned2025-09-11T16:58:26Z
dc.date.available2025-09-11T16:58:26Z
dc.date.issued2020-08-06
dc.description.abstractThe production of aluminum-carbon steel and aluminum-stainless steel clads is challenging, and explosive welding is one of the most suitable processes to achieve them. The present work aims to investigate the coupled effect of two strategies for optimizing the production of these clads by explosive welding: the use of a low-density interlayer and the use of a low-density and low-detonation velocity explosive mixture. A broad range of techniques was used to characterize the microstructural and the mechanical properties of the welds, specifically, optical microscopy, scanning electron microscopy, energy dispersive spectroscopy, electron backscatter diffraction, microhardness and tensile-shear testing with digital image correlation analysis. Although aluminum-carbon steel and aluminum-stainless steel have different weldabilities, clads with sound microstructure and good mechanical behavior were achieved for both combinations. These results were associated with the low values of collision point and impact velocities provided by the tested explosive mixture, which made the weldability difference between these combinations less significant. The successful testing of this explosive mixture indicates that it is suitable to be used for welding very thin flyers and/or dissimilar materials that easily form intermetallic phases.eng
dc.description.sponsorshipThis research is sponsored by FEDER funds through the program COMPETE—Programa Operacional Factores de Competitividade—and by national funds through FCT—Fundação para a Ciência e a Tecnologia, under the project UIDB/00285/2020.
dc.identifier.citationH. S. F. L. Carvalho, G., Galvão, I., Mendes, R., M. Leal, R., & Loureiro, A. (2020). Aluminum-to-Steel Cladding by Explosive Welding. Metals, 10(8), 1062. https://doi.org/10.3390/met10081062.
dc.identifier.doi10.3390/met10081062
dc.identifier.eissn2075-4701
dc.identifier.urihttp://hdl.handle.net/10400.8/14055
dc.language.isoeng
dc.peerreviewedyes
dc.publisherMDPI
dc.relationCentre for Mechanical Enginnering, Materials and Processes
dc.relation.hasversionhttps://www.mdpi.com/2075-4701/10/8/1062
dc.relation.ispartofMetals
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectexplosive welding
dc.subjectinterlayer
dc.subjectaluminum
dc.subjectcarbon steel
dc.subjectstainless steel
dc.titleAluminum-to-Steel Cladding by Explosive Weldingeng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCentre for Mechanical Enginnering, Materials and Processes
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00285%2F2020/PT
oaire.citation.endPage17
oaire.citation.issue8
oaire.citation.startPage1
oaire.citation.titleMetals
oaire.citation.volume10
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameLeal
person.givenNameRui
person.identifier.ciencia-id001C-1230-7699
person.identifier.orcid0000-0001-6416-0191
person.identifier.ridF-4418-2017
person.identifier.scopus-author-id18434853300
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
relation.isAuthorOfPublication46bc598a-4575-4726-aedf-11a2a2cf771e
relation.isAuthorOfPublication.latestForDiscovery46bc598a-4575-4726-aedf-11a2a2cf771e
relation.isProjectOfPublication0a3418ca-35b9-4670-a826-154cceca5a89
relation.isProjectOfPublication.latestForDiscovery0a3418ca-35b9-4670-a826-154cceca5a89

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The production of aluminum-carbon steel and aluminum-stainless steel clads is challenging, and explosive welding is one of the most suitable processes to achieve them. The present work aims to investigate the coupled effect of two strategies for optimizing the production of these clads by explosive welding: the use of a low-density interlayer and the use of a low-density and low-detonation velocity explosive mixture. A broad range of techniques was used to characterize the microstructural and the mechanical properties of the welds, specifically, optical microscopy, scanning electron microscopy, energy dispersive spectroscopy, electron backscatter diffraction, microhardness and tensile-shear testing with digital image correlation analysis. Although aluminum-carbon steel and aluminum-stainless steel have different weldabilities, clads with sound microstructure and good mechanical behavior were achieved for both combinations. These results were associated with the low values of collision point and impact velocities provided by the tested explosive mixture, which made the weldability difference between these combinations less significant. The successful testing of this explosive mixture indicates that it is suitable to be used for welding very thin flyers and/or dissimilar materials that easily form intermetallic phases.
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