Stability of incommensurately modulated Ni50Mn27Ga22Fe1 10M martensite under uniaxial tensile stress

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dc.contributor.authorVinogradova, Mariiacs
dc.contributor.authorSozinov, Alexeics
dc.contributor.authorStraka, Ladislavcs
dc.contributor.authorVeřtát, Petrcs
dc.contributor.authorHeczko, Olegcs
dc.contributor.authorZelený, Martincs
dc.contributor.authorChulist, Robertcs
dc.contributor.authorUllakko, Karics
dc.coverage.issue-cs
dc.coverage.volume247cs
dc.date.accessioned2025-02-03T14:49:09Z
dc.date.available2025-02-03T14:49:09Z
dc.date.issued2024-07-01cs
dc.description.abstractWe investigate the incommensurately modulated crystal structure in the Ni50Mn27Ga22Fe1 magnetic shape memory alloy. We focus on temperature- and stress-induced changes, particularly measuring the a and b lattice parameters and the monoclinic angle. The in-situ XRD experiment shows that the thermally-induced commensurate-incommensurate (C-IC) transition coincides with the change of the average lattice symmetry from monoclinic to orthorhombic. The thermally-induced IC structure is stable under uniaxial tensile stress along the a-axis for deformation epsilon < 0.8 %. A mixture of the IC and C structures appears for epsilon > 0.8 % and the changes become irreversible. The volume fraction of the C structure further increases with increasing deformation. These results provide vital initial insights into the structural evolution of Ni-Mn-Ga alloys and enable us to establish the role of C and IC structures in their extraordinarily high mobility of twin boundaries.en
dc.formattextcs
dc.format.extent116096--cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationSCRIPTA MATERIALIA. 2024, vol. 247, issue -, p. 116096--.en
dc.identifier.doi10.1016/j.scriptamat.2024.116096cs
dc.identifier.issn1359-6462cs
dc.identifier.orcid0000-0001-6715-4088cs
dc.identifier.other188692cs
dc.identifier.researcheridC-5602-2013cs
dc.identifier.scopus57076741200cs
dc.identifier.urihttps://hdl.handle.net/11012/249977
dc.language.isoencs
dc.publisherPERGAMON-ELSEVIER SCIENCE LTDcs
dc.relation.ispartofSCRIPTA MATERIALIAcs
dc.relation.urihttps://www.sciencedirect.com/science/article/pii/S1359646224001325cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1359-6462/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectMagnetic shape memoryen
dc.subjectNi-Mn-Gaen
dc.subjectX-ray diffractionen
dc.subjectIncommensurately modulated crystal structureen
dc.titleStability of incommensurately modulated Ni50Mn27Ga22Fe1 10M martensite under uniaxial tensile stressen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-188692en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:49:09en
sync.item.modts2025.01.31 13:32:11en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav materiálových věd a inženýrstvícs
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