Ultrasonic study of polycrystalline Ti–40Nb alloys at cryogenic temperatures

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorInstitute of Physics-
Autor(es): dc.contributorUniversidade Federal de São Carlos (UFSCar)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorCorporación Universitaria Comfacauca-Unicomfacauca-
Autor(es): dc.creatorGobbi, Ariel Omar Moreno-
Autor(es): dc.creatorCorrea, Diego Rafael Nespeque-
Autor(es): dc.creatorJunior, Paulo Sergio Silva-
Autor(es): dc.creatordos Santos, Rafael Formenton Macedo-
Autor(es): dc.creatorChaves, Javier Andrés Muñoz-
Autor(es): dc.creatorAfonso, Conrado Ramos Moreira-
Autor(es): dc.creatorGrandini, Carlos Roberto-
Data de aceite: dc.date.accessioned2025-08-21T15:48:09Z-
Data de disponibilização: dc.date.available2025-08-21T15:48:09Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2024-04-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1557/s43580-023-00653-8-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/301341-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/301341-
Descrição: dc.descriptionUltrasonic velocity and attenuation measurements of hot-forged β-type Ti–40Nb (%wt) alloy were realized in cooling–heating cycles between 130 and 300 K. The anelastic spectra evidence a complex nature of structural evolution mainly associated with martensitic-like phase transitions. In particular, evident anomalies at around 180 K and 160 K were not previously reported using ultrasonic measurements. X-ray diffraction (XRD) and scanning electron microscopy (SEM) were used at room temperature to characterize the sample previously to ultrasonic measurements. Differential scanning calorimetry (DSC) was used to add complementary results at low temperatures. The results detected the coexistence of β and martensite α″ phases at room temperature, with traces of ⍵ phase. The frequency-independent ultrasonic anomalies at around 190 K and 160 K suggest the occurrence of the reversible two-stage martensitic transitions involving β → ⍵ and α″ → ⍵ phases and suppression of the β → α transition in the hot-forged sample. Graphical abstract: (Figure presented.)-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionCNPC Chuanqing Drilling Engineering Company Limited-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionUltrasonic Acoustics Laboratory Faculty of Sciences Institute of Physics, UdelaR. Iguá 4225-
Descrição: dc.descriptionDepartment of Physics Federal University of São Carlos (UFSCar), SP-
Descrição: dc.descriptionLaboratório de Anelasticidade e Biomateriais School of Sciences São Paulo State University (UNESP), SP-
Descrição: dc.descriptionSchool of Sciences IBTN/BR - Brazilian Branch Institute of Biomaterials Tribocorrosion and Nanomedicine São Paulo State University (UNESP), SP-
Descrição: dc.descriptionGraduate Program in Materials Science and Engineering (PPG-CEM) Federal University of São Carlos (UFSCar), SP-
Descrição: dc.descriptionDepartment of Materials Engineering (DEMa) Federal University of São Carlos (UFSCar), SP-
Descrição: dc.descriptionFaculty of Engineering Intelligent System Research Group Corporación Universitaria Comfacauca-Unicomfacauca-
Descrição: dc.descriptionLaboratório de Anelasticidade e Biomateriais School of Sciences São Paulo State University (UNESP), SP-
Descrição: dc.descriptionSchool of Sciences IBTN/BR - Brazilian Branch Institute of Biomaterials Tribocorrosion and Nanomedicine São Paulo State University (UNESP), SP-
Descrição: dc.descriptionFAPESP: #2015/50.280-5-
Descrição: dc.descriptionCNPq: #304.073/2019-9-
Descrição: dc.descriptionCNPC Chuanqing Drilling Engineering Company Limited: #308.204/2017-4-
Descrição: dc.descriptionCAPES: Finance Code 001-
Formato: dc.format108-112-
Idioma: dc.languageen-
Relação: dc.relationMRS Advances-
???dc.source???: dc.sourceScopus-
Título: dc.titleUltrasonic study of polycrystalline Ti–40Nb alloys at cryogenic temperatures-
Tipo de arquivo: dc.typelivro digital-
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