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Tuning the microstructure, martensitic transformation and superelastic properties of EBF3-fabricated NiTi shape memory alloy using interlayer remelting

2022-08Artigo científico Acesso aberto
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dc.contributor.authorLi, Binqiang
dc.contributor.authorWang, Liang
dc.contributor.authorWang, Binbin
dc.contributor.authorLi, Donghai
dc.contributor.authorOliveira, J. P.
dc.contributor.authorCui, Ran
dc.contributor.authorYu, Jianxin
dc.contributor.authorLuo, Liangshun
dc.contributor.authorChen, Ruirun
dc.contributor.authorSu, Yanqing
dc.contributor.authorGuo, Jingjie
dc.contributor.authorFu, Hengzhi
dc.contributor.institutionCENIMAT-i3N - Centro de Investigação de Materiais (Lab. Associado I3N)
dc.contributor.institutionDCM - Departamento de Ciência dos Materiais
dc.contributor.institutionDEMI - Departamento de Engenharia Mecânica e Industrial
dc.contributor.institutionUNIDEMI - Unidade de Investigação e Desenvolvimento em Engenharia Mecânica e Industrial
dc.contributor.pblElsevier
dc.date.accessioned2022-11-23T22:25:28Z
dc.date.available2022-11-23T22:25:28Z
dc.date.issued2022-08
dc.descriptionThis work was supported by the National Natural Science Foundation of China (Grant no. 51871075 , 52171034 , and 52101037 ), Heilongjiang Postdoctoral Fund (Grant no. LBH-Z20139 ) and the Foundation of National Key Laboratory for Precision Hot Processing of Metals ( JCKYS2022603C003 ). JPO acknowledges Fundação para a Ciência e Tecnologia (FCT - MCTES) for its financial support via the project UID/00667/2020 (UNIDEMI). Publisher Copyright: © 2022 The Authors
dc.description.abstractIn this work, different interlayer remelting strategies are applied to regulate the microstructure evolution, martensitic transformation, and superelastic features of NiTi shape memory alloys prepared using the EBF3 additive manufacturing technique. The NiTi deposits prepared under different remelting beam currents are all composed of the B2 austenite, residual B19′ martensite, and submicron-scale Ti4Ni2Ox precipitates, and exhibit a one-step phase transformation (B2 ↔ B19′). Meanwhile, the crystallographic orientation, grain boundaries, and residual strain of these alloys present a distinct variation with the application of different remelting beam currents. During mechanical testing, the critical stress (σMs) of the EBF3-fabricated NiTi alloys was seen to possess a significant dependence on the martensitic transformation behavior, namely with the amount of B19′ martensite and the corresponding Ms. However, the broadening and stabilization of lamellar martensite created by dislocation pile-ups and plastic deformation in the cyclic loading–unloading procedure is the key reason for the deterioration of the superelastic response of the NiTi deposits. This work confirms that the mechanical and functional performances of NiTi alloys produced via EBF3-technique can be modified upon the application of proper interlayer remelting strategies, which can be extrapolated to the directed energy deposition of shape memory alloys or other metal components.en
dc.description.versionpublishersversion
dc.description.versionpublished
dc.format.extent15
dc.format.extent10020419
dc.identifier.doi10.1016/j.matdes.2022.110886
dc.identifier.issn0264-1275
dc.identifier.otherPURE: 46187460
dc.identifier.otherPURE UUID: c606f367-dbcd-474f-9283-af9de6e7995c
dc.identifier.otherScopus: 85132916645
dc.identifier.otherWOS: 000861662000004
dc.identifier.otherORCID: /0000-0001-6906-1870/work/123442320
dc.identifier.urihttp://hdl.handle.net/10362/145736
dc.identifier.urlhttps://www.scopus.com/pages/publications/85132916645
dc.language.isoeng
dc.peerreviewedyes
dc.relationFunding Information: info:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50025%2F2020/PT
dc.subjectInterlayer remelting
dc.subjectMartensitic transformation
dc.subjectNiTi deposits
dc.subjectPlastic deformation
dc.subjectSuperelasticity
dc.subjectGeneral Materials Science
dc.subjectMechanics of Materials
dc.subjectMechanical Engineering
dc.titleTuning the microstructure, martensitic transformation and superelastic properties of EBF3-fabricated NiTi shape memory alloy using interlayer remeltingen
dc.typejournal article
degois.publication.titleMaterials & Design
degois.publication.volume220
dspace.entity.typePublication
rcaap.rightsopenAccess

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