Mechanism of large strain accommodation assisted by shear localization in a precipitation-hardened Cu–Be alloy

dc.contributorAalto-yliopistofi
dc.contributorAalto Universityen
dc.contributor.authorLomakin, Ivan
dc.contributor.authorNigmatullina, Alfiia
dc.contributor.authorSauvage, Xavier
dc.contributor.departmentDepartment of Applied Physics
dc.contributor.departmentSt. Petersburg State University
dc.contributor.departmentUniversité de Rouen
dc.date.accessioned2021-08-25T06:50:18Z
dc.date.available2021-08-25T06:50:18Z
dc.date.issued2021-08-17
dc.descriptionFunding Information: Ivan Lomakin and Xavier Sauvage are grateful to the Embassy of France in Russia for supporting their collaboration through Mechnikov’s Scholarship. This work was partially supported by Saint Petersburg State University, Russia via Lot 2017 applied (id: 26130576 ). This work was partially supported by Academy of Finland through grant 317464 . XRD results were obtained by the “Center for X-ray Diffraction Methods” of the Research park of Saint Petersburg University. Anvils for HPT tool were produced in collaboration with center “Applied aerodynamics” of the Research park of Saint Petersburg University. Authors acknowledge the provision of facilities and technical support by Aalto University at OtaNano - Nanomicroscopy Center (Aalto-NMC). Funding Information: Ivan Lomakin and Xavier Sauvage are grateful to the Embassy of France in Russia for supporting their collaboration through Mechnikov's Scholarship. This work was partially supported by Saint Petersburg State University, Russia via Lot 2017 applied (id: 26130576). This work was partially supported by Academy of Finland through grant 317464. XRD results were obtained by the ?Center for X-ray Diffraction Methods? of the Research park of Saint Petersburg University. Anvils for HPT tool were produced in collaboration with center ?Applied aerodynamics? of the Research park of Saint Petersburg University. Authors acknowledge the provision of facilities and technical support by Aalto University at OtaNano - Nanomicroscopy Center (Aalto-NMC). Publisher Copyright: © 2021 The Author(s)
dc.description.abstractThe influence of the structural state on deformation mechanisms under large strains was investigated in a Cu – 2 wt.% Be alloy. Torque evolutions during straining exhibit serrations typical of structural relaxations in the precipitation-hardened alloy, but not in the solid solution state. Microstructure characterization revealed that homogeneous deformation of the solid solution led to strong grain size reduction (20 nm), while localization occurred in the precipitated state with numerous shear bands. The role of CuBe precipitates on hindering dislocation glide and the resulting shear localization under large strain is discussed.en
dc.description.versionPeer revieweden
dc.format.extent6
dc.format.mimetypeapplication/pdf
dc.identifier.citationLomakin , I , Nigmatullina , A & Sauvage , X 2021 , ' Mechanism of large strain accommodation assisted by shear localization in a precipitation-hardened Cu–Be alloy ' , Materials Science and Engineering A , vol. 823 , 141760 . https://doi.org/10.1016/j.msea.2021.141760en
dc.identifier.doi10.1016/j.msea.2021.141760
dc.identifier.issn0921-5093
dc.identifier.otherPURE UUID: 00e0cd5a-2e2b-4b65-9786-7f7d3d12ece5
dc.identifier.otherPURE ITEMURL: https://research.aalto.fi/en/publications/00e0cd5a-2e2b-4b65-9786-7f7d3d12ece5
dc.identifier.otherPURE LINK: http://www.scopus.com/inward/record.url?scp=85111017640&partnerID=8YFLogxK
dc.identifier.otherPURE FILEURL: https://research.aalto.fi/files/66631666/Mechanism_of_large_strain_accommodation.1_s2.0_S0921509321010261_main.pdf
dc.identifier.urihttps://aaltodoc.aalto.fi/handle/123456789/109103
dc.identifier.urnURN:NBN:fi:aalto-202108258340
dc.language.isoenen
dc.publisherElsevier Science
dc.relation.ispartofseriesMaterials Science and Engineering Aen
dc.relation.ispartofseriesVolume 823en
dc.rightsopenAccessen
dc.subject.keywordCopper alloy
dc.subject.keywordPrecipitation
dc.subject.keywordShear band
dc.subject.keywordStrain localization
dc.subject.keywordUltrafine grains
dc.titleMechanism of large strain accommodation assisted by shear localization in a precipitation-hardened Cu–Be alloyen
dc.typeA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessäfi
dc.type.versionpublishedVersion
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