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dc.contributor.authorFlorencio, O.-
dc.contributor.authordeFreitas, W. A.-
dc.contributor.authorBotta, W. J.-
dc.contributor.authorGrandini, Carlos Roberto-
dc.contributor.authorJordao, JAR-
dc.identifier.citationJournal de Physique Iv. Les Ulis Cedex: Editions Physique, v. 6, n. C8, p. 123-125, 1996.-
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.publisherEditions Physique-
dc.sourceWeb of Science-
dc.titleInfluence of interstitial elements on internal friction measurements in Nb and Nb-Zr alloysen
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
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.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal de Physique Iv-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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