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Fatigue Behavior of Hybrid Components Containing Maraging Steel Parts Produced by Laser Powder Bed Fusion

2021-05-19Artigo científico Acesso aberto
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datacite.subject.fosCiências Naturais::Outras Ciências Naturais
datacite.subject.sdg07:Energias Renováveis e Acessíveis
datacite.subject.sdg11:Cidades e Comunidades Sustentáveis
dc.contributor.authorSantos, Luís
dc.contributor.authorJesus, Joel de
dc.contributor.authorBorrego, Luís
dc.contributor.authorFerreira, José A. M.
dc.contributor.authorFernandes, Rui F.
dc.contributor.authorCosta, José D. M. da
dc.contributor.authorCapela, Carlos
dc.date.accessioned2026-03-03T17:49:47Z
dc.date.available2026-03-03T17:49:47Z
dc.date.issued2021-05-19
dc.description.abstractThis investigation concerns about of fatigue behavior under controlled loading and under strain control for hybrid specimens with parts produced with conventional processes in steel AISI H13 and the stainless steel AISI 420 and the rest part produced by laser powder bed fusion in AISI 18Ni300 steel. The controlled loading tests were performed in constant and variable amplitude. Fatigue failure of hybrid samples occurs mostly in laser-melted parts, initiated around the surface, in many cases with multi-nucleation and propagated predominantly between the deposited layers. Fatigue strength of hybrid parts, tested under displacement control is similar, but for specimens tested under load control the fatigue strength the fatigue strength of hybrid specimens is progressively lesser than laser powder bed fusion samples. Despite a tendency to obtain conservative predictions, Miner’s law predicts reasonably the fatigue lives under block loadings. The interface between materials presented an excellent joining and fatigue strength because the fatigue failure of hybrid samples occurred mostly in laser melted parts out of the interface.eng
dc.description.sponsorshipThe authors would like to acknowledge the sponsoring under the project POCI-01-0247-FEDER-042536, financed by European Funds, through program COMPETE2020, under the Eureka smart label S0129-AddDies. This research is also sponsored by national funds through FCT—Fundação para a Ciência e a Tecnologia, under the project UIDB/00285/2020.
dc.identifier.citationSantos, L.; de Jesus, J.; Borrego, L.; Ferreira, J.A.M.; Fernandes, R.F.; da Costa, J.D.M.; Capela, C. Fatigue Behavior of Hybrid Components Containing Maraging Steel Parts Produced by Laser Powder Bed Fusion. Metals 2021, 11, 835. https://doi.org/10.3390/met11050835.
dc.identifier.doi10.3390/met11050835
dc.identifier.eissn2075-4701
dc.identifier.urihttp://hdl.handle.net/10400.8/15776
dc.language.isoeng
dc.peerreviewedyes
dc.publisherMDPI
dc.relationCentre for Mechanical Enginnering, Materials and Processes
dc.relation.hasversionhttps://www.mdpi.com/2075-4701/11/5/835
dc.relation.ispartofMetals
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectlaser powder bed fusion
dc.subjectfatigue
dc.subjectfunctional materials
dc.subjectstructural integrity
dc.titleFatigue Behavior of Hybrid Components Containing Maraging Steel Parts Produced by Laser Powder Bed Fusioneng
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberUIDB/00285/2020
oaire.awardTitleCentre for Mechanical Enginnering, Materials and Processes
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00285%2F2020/PT
oaire.citation.endPage12
oaire.citation.issue5
oaire.citation.startPage1
oaire.citation.titleMetals
oaire.citation.volume11
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameCapela
person.givenNameCarlos
person.identifier.ciencia-id9B1E-6857-3D6B
person.identifier.orcid0000-0003-3334-4945
person.identifier.ridG-6395-2016
person.identifier.scopus-author-id7801358401
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
relation.isAuthorOfPublication9b079aa3-b79b-4395-b081-1f23d6a17514
relation.isAuthorOfPublication.latestForDiscovery9b079aa3-b79b-4395-b081-1f23d6a17514
relation.isProjectOfPublication0a3418ca-35b9-4670-a826-154cceca5a89
relation.isProjectOfPublication.latestForDiscovery0a3418ca-35b9-4670-a826-154cceca5a89

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This investigation concerns about of fatigue behavior under controlled loading and under strain control for hybrid specimens with parts produced with conventional processes in steel AISI H13 and the stainless steel AISI 420 and the rest part produced by laser powder bed fusion in AISI 18Ni300 steel. The controlled loading tests were performed in constant and variable amplitude. Fatigue failure of hybrid samples occurs mostly in laser-melted parts, initiated around the surface, in many cases with multi-nucleation and propagated predominantly between the deposited layers. Fatigue strength of hybrid parts, tested under displacement control is similar, but for specimens tested under load control the fatigue strength the fatigue strength of hybrid specimens is progressively lesser than laser powder bed fusion samples. Despite a tendency to obtain conservative predictions, Miner’s law predicts reasonably the fatigue lives under block loadings. The interface between materials presented an excellent joining and fatigue strength because the fatigue failure of hybrid samples occurred mostly in laser melted parts out of the interface.
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