Influence of interstitial elements on internal friction measurements in Nb and Nb-Zr alloys

dc.contributor.authorFlorencio, O.
dc.contributor.authordeFreitas, W. A.
dc.contributor.authorBotta, W. J.
dc.contributor.authorGrandini, Carlos Roberto [UNESP]
dc.contributor.authorJordao, JAR
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:28:00Z
dc.date.available2014-05-20T15:28:00Z
dc.date.issued1996-12-01
dc.description.abstractInternal friction and frequency measurements as a function of temperature have been carried out in Nb and Nb-Zr policrystalline samples, using a torsion pendulum in the temperature range between 300K and 700K the heating rate was 1K/min and the pressure was kept better than 5x10(-3) mbar. Metals with bce lattice containing solute atoms dissolved interstitially often show anelastic behaviour due to a process know as stress-induced ordering responsible for the appearance of Snoek peaks. In the Nb sample it has been identified two constituent peaks corresponding to the interstitial-matrix interactions (Nb-O and Nb-N), but for the Nb-Zr samples with interstitial solute concentrations very close to those measured for the unalloyed Nb, it was not observed any mechanical relaxation peaks due to the presence of oxygen and nitrogen in solid solution.en
dc.description.affiliationUFSCAR,DEPT MAT ENGN,BR-13565905 SAO CARLOS,SP,BRAZIL
dc.description.affiliationUNESP,DEPT FIS,BR-17043560 BAURU,SP,BRAZIL
dc.description.affiliationUnespUNESP,DEPT FIS,BR-17043560 BAURU,SP,BRAZIL
dc.format.extent123-125
dc.identifierhttp://dx.doi.org/10.1051/jp4:1996824
dc.identifier.citationJournal de Physique Iv. Les Ulis Cedex: Editions Physique, v. 6, n. C8, p. 123-125, 1996.
dc.identifier.doi10.1051/jp4:1996824
dc.identifier.issn1155-4339
dc.identifier.lattes2949983867418338
dc.identifier.orcid0000-0002-3336-309X
dc.identifier.urihttp://hdl.handle.net/11449/37918
dc.identifier.wosWOS:A1996WM77200025
dc.language.isoeng
dc.publisherEditions Physique
dc.relation.ispartofJournal de Physique Iv
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleInfluence of interstitial elements on internal friction measurements in Nb and Nb-Zr alloysen
dc.typeArtigo
dcterms.licensehttp://www.afs-journal.org/index.php?option=com_content&view=article&id=100&Itemid=104&lang=en_GB.utf8%2C+en_GB.UT
dcterms.rightsHolderEditions Physique
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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