Influence of Sintering Parameters on the Properties of Powder Metallurgy Ti-3Al-2.5V Alloy

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dc.contributor.author Bolzoni, Leandro
dc.contributor.author Ruiz Navas, Elisa María
dc.contributor.author Gordo Odériz, Elena
dc.date.accessioned 2013-09-03T12:04:00Z
dc.date.available 2013-09-03T12:04:00Z
dc.date.issued 2013-10-01
dc.identifier.bibliographicCitation Materials Characterization, (Oct. 2013), vol. 84, pp. 48-57.
dc.identifier.issn 1044-5803
dc.identifier.uri http://hdl.handle.net/10016/17475
dc.description.abstract The processing of near net shape Ti-3Al-2.5V components using the conventional pressing and sintering route is addressed in this study. The Ti-3Al-2.5V starting powder was obtained considering both the blending elemental and the master alloy addition methods. The powders were uniaxially pressed and sintered in a high-vacuum furnace under various temperature-time combinations. The influence of the processing parameters on the relative density, microstructural features, amount of interstitials, mechanical behaviour, thermal conductivity and electrical resistivity of the sintered materials was evaluated. It was found that the relative density of the samples increases with processing temperature and time, and almost fully dense materials were obtained. The mechanical performance of the Ti&-3Al&-2.5V improves due to the reduction of the residual porosity and are, generally, of the same order of magnitude of those required for titanium biomedical products. Furthermore, the temperatures&-times selected permit to obtain thermal and electrical properties similar to the wrought alloy.
dc.description.sponsorship The financial support from the Spanish Ministry of Science through the R&D Projects MAT2009-14448-C02-02 and MAT2009-14547-C02-02, and from the Regional Government of Madrid through the ESTRUMAT (S2009/MAT-1585) project is acknowledged. The possibility to perform the measurements of the thermal conductivity and electrical resistivity in the Fraunhofer IFAM-Dresden Institute is really appreciated.
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher Elsevier
dc.rights © Elsevier
dc.subject.other Titanium alloys
dc.subject.other Ti 3Al 2.5V
dc.subject.other Powder metallurgy
dc.subject.other Flexural properties
dc.subject.other Thermal conductivity
dc.subject.other Electrical resistivity
dc.title Influence of Sintering Parameters on the Properties of Powder Metallurgy Ti-3Al-2.5V Alloy
dc.type article
dc.description.status Publicado
dc.relation.publisherversion http://dx.doi.org/10.1016/j.matchar.2013.07.009
dc.subject.eciencia Ingeniería Industrial
dc.subject.eciencia Materiales
dc.subject.eciencia Química
dc.identifier.doi 10.1016/j.matchar.2013.07.009
dc.rights.accessRights openAccess
dc.relation.projectID Comunidad de Madrid. S2009/MAT-1585/ESTRUMAT
dc.type.version acceptedVersion
dc.identifier.publicationfirstpage 48
dc.identifier.publicationlastpage 57
dc.identifier.publicationtitle Materials characterization
dc.identifier.publicationvolume 84
dc.identifier.uxxi AR/0000013658
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