Anelastic relaxation due to hydrogen in Ti-35Nb-7Zr-5Ta alloy

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dc.contributor.authorde Almeida, L. H. [UNESP]
dc.contributor.authorCaram, R.
dc.contributor.authorMoreno-Gobbi, A. O.
dc.contributor.authorGrandini, Carlos Roberto [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)
dc.contributor.institutionUDELAR
dc.date.accessioned2014-05-20T13:26:14Z
dc.date.available2014-05-20T13:26:14Z
dc.date.issued2011-04-15
dc.description.abstractTitanium and its alloys are frequently used in the production of prostheses and dental implants due to their properties, such as high corrosion resistance, low elasticity modulus, and high mechanical strength/density relation. Among the Ti-based alloys, Ti-35Nb-7Zr-5Ta (TNZT) is one that presents the smallest elasticity modulus (around 45 GPa), making it an excellent alternative to be used as a biomaterial. In this paper, mechanical spectroscopy measurements were made of TNZT alloys containing several quantities of hydrogen in solid solution. Mechanical spectroscopy measurements were made by using a torsion pendulum, operating at an oscillation frequency in the interval 2-20 Hz, temperature in the range 100-300K, heating rate of about 1 K/min, and vacuum lower than 10(-5) Torr. A relaxation structure and a reduction in the elasticity modulus were observed for the heat-treated and doped samples. The observed peak was associated with the interaction of hydrogen trapped by oxygen atoms around the titanium atom of the metallic matrix. (C) 2011 Elsevier B.V. All rights reserved.en
dc.description.affiliationUniv Estadual Paulista, UNESP, Lab Anelasticidade & Biomat, BR-17033360 Bauru, SP, Brazil
dc.description.affiliationUniv Estadual Campinas, Dept Mat Engn, BR-13083970 Campinas, SP, Brazil
dc.description.affiliationUDELAR, Fac Ciencias, Inst Fis, Montevideo 11400, Uruguay
dc.description.affiliationUnespUniv Estadual Paulista, UNESP, Lab Anelasticidade & Biomat, BR-17033360 Bauru, SP, Brazil
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.format.extent3326-3329
dc.identifierhttp://dx.doi.org/10.1016/j.msea.2011.01.012
dc.identifier.citationMaterials Science and Engineering A-structural Materials Properties Microstructure and Processing. Lausanne: Elsevier B.V. Sa, v. 528, n. 9, p. 3326-3329, 2011.
dc.identifier.doi10.1016/j.msea.2011.01.012
dc.identifier.fileWOS000288629900007.pdf
dc.identifier.issn0921-5093
dc.identifier.lattes2949983867418338
dc.identifier.orcid0000-0002-3336-309X
dc.identifier.urihttp://hdl.handle.net/11449/8427
dc.identifier.wosWOS:000288629900007
dc.language.isoeng
dc.publisherElsevier B.V. Sa
dc.relation.ispartofMaterials Science and Engineering A: Structural Materials Properties Microstructure and Processing
dc.relation.ispartofjcr3.414
dc.relation.ispartofsjr1,694
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectTi alloysen
dc.subjectHydrogenen
dc.subjectInterstitialsen
dc.subjectBiomaterialsen
dc.titleAnelastic relaxation due to hydrogen in Ti-35Nb-7Zr-5Ta alloyen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V. Sa
unesp.author.lattes2949983867418338[4]
unesp.author.orcid0000-0002-3336-309X[4]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências, Baurupt
unesp.departmentFísica - FCpt

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