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Insights into the compatibility of a metastable FeMnCoCr high entropy alloy with a Fe-based shape memory alloy

2026-03-05Artigo científico Acesso aberto
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dc.contributor.authorLopes, J. G.
dc.contributor.authorAlvarez, A.
dc.contributor.authorShen, J.
dc.contributor.authorBoll, T.
dc.contributor.authorWang, D.
dc.contributor.authorLi, B.
dc.contributor.authorWang, B.
dc.contributor.authorSchell, N.
dc.contributor.authorMishra, R. S.
dc.contributor.authorBaptista, A. C.
dc.contributor.authorOliveira, J. P.
dc.contributor.institutionCENIMAT-i3N - Centro de Investigação de Materiais (Lab. Associado I3N)
dc.contributor.institutionDCM - Departamento de Ciência dos Materiais
dc.contributor.pblElsevier
dc.date.accessioned2026-07-24T14:37:01Z
dc.date.available2026-07-24T14:37:01Z
dc.date.issued2026-03-05
dc.descriptionThe authors acknowledge DESY (Hamburg, Germany), a member of the Helmholtz Association HGF, for the provision of experimental facilities. Beamtime was allocated for proposal I-20231128 EC. The raw/processed data required to reproduce these findings is available, accordingly to NFFA Europe regulations. Publisher Copyright: © 2026 The Authors
dc.description.abstractHigh entropy alloys (HEA) are novel advanced materials that have been subjected to extensive research due to their outstanding properties and potential for key engineering applications. Given this, research on their processability must be conducted to avoid premature failure during operation. Gas tungsten arc welding is a widely available technology capable of generating high performing and permanent joints. Furthermore, within this technology, dissimilar welding is a relevant topic given the frequent necessity to join different materials, allowing for greater design freedom while decreasing material costs. In this study, dissimilar welding of a FeMnCoCr HEA with a Fe-based shape memory alloy was conducted, allowing an inquiry into the compatibility between the two advanced engineering alloys. By employing both conventional and advanced characterization techniques, including optical and electron microscopy, atom probe tomography and synchrotron x-ray diffraction, a comprehensive understanding of the effect of processing condition on the microstructure and mechanical response of the joints is obtained. With this work we intend to highlight a pathway for the introduction of HEAs in modern day engineering industry.en
dc.description.versionpublishersversion
dc.description.versionpublished
dc.format.extent9
dc.format.extent8659971
dc.identifier.doi10.1016/j.jallcom.2026.186787
dc.identifier.issn0925-8388
dc.identifier.otherPURE: 164373156
dc.identifier.otherPURE UUID: d10eaa87-2b0d-45c7-942c-e15996b794e4
dc.identifier.otherScopus: 105030280900
dc.identifier.otherORCID: /0000-0003-1631-6248/work/221756168
dc.identifier.otherORCID: /0000-0001-6906-1870/work/221756202
dc.identifier.urihttp://hdl.handle.net/10362/204832
dc.identifier.urlhttps://www.scopus.com/pages/publications/105030280900
dc.language.isoeng
dc.peerreviewedyes
dc.relationinfo:eu-repo/grantAgreement/FCT/Concurso para Atribuição do Estatuto e Financiamento de Laboratórios Associados (LA)/LA%2FP%2F0037%2F2020/PT
dc.relationinfo:eu-repo/grantAgreement/FCT/Concurso de avaliação no âmbito do Programa Plurianual de Financiamento de Unidades de I&D (2017%2F2018) - Financiamento Programático/UIDP%2F50025%2F2020/PT
dc.relationinfo:eu-repo/grantAgreement/FCT/Concurso de avaliação no âmbito do Programa Plurianual de Financiamento de Unidades de I&D (2017%2F2018) - Financiamento Base/UIDB%2F50025%2F2020/PT
dc.relationinfo:eu-repo/grantAgreement/EC/H2020/730872/EU
dc.relationinfo:eu-repo/grantAgreement/EC/H2020/101007417/EU
dc.subjectAtom probe tomography
dc.subjectHigh entropy alloys
dc.subjectMechanical testing
dc.subjectMicrostructure
dc.subjectShape memory alloy: Gas tungsten arc welding
dc.subjectSynchrotron X-ray diffraction
dc.subjectMechanics of Materials
dc.subjectMechanical Engineering
dc.subjectMetals and Alloys
dc.subjectMaterials Chemistry
dc.titleInsights into the compatibility of a metastable FeMnCoCr high entropy alloy with a Fe-based shape memory alloyen
dc.typejournal article
degois.publication.titleJournal of Alloys and Compounds
degois.publication.volume1057
dspace.entity.typePublication
rcaap.rightsopenAccess

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