Mechanical behaviour of pressed and sintered titanium alloys obtained from master alloy addition powders

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Show simple item record Bolzoni, Leandro García Esteban, Pablo Ruiz Navas, Elisa María Gordo Odériz, Elena 2013-06-25T13:06:26Z 2013-06-25T13:06:26Z 2012-11
dc.identifier.bibliographicCitation Journal of the Mechanical Behavior of Biomedical Materials, Nov. 2012, v. 15, pp. 33-45.
dc.identifier.issn 1751-6161
dc.description.abstract The fabrication of the workhorse Ti-6Al-4V alloy and of the Ti-3Al-2.5V alloy was studied considering the master alloy addition variant of the blending elemental approach conventionally used for titanium powder metallurgy. The powders were characterised by means thermal analysis and X-ray diffraction and shaped by means of uniaxial pressing. The microstructural evolution with the sintering temperature (900-1400 degrees C) was evaluated by SEM and EDS was used to study the composition. XRD patterns as well as the density by Archimedes method were also obtained. The results indicate that master alloy addition is a suitable way to fabricate well developed titanium alloy but also to produce alloy with the desired composition, not available commercially. Density of 4.3 g/cm(3) can be obtained where a temperature higher than 1200 degrees C is needed for the complete diffusion of the alloying elements. Flexural properties comparable to those specified for wrought Ti-6Al-4V medical devices are, generally, obtained.
dc.description.sponsorship The authors want to acknowledge the financial support from the Spanish Ministry of Science through the R&D ProjectsMAT2009-14448-C02-02 and MAT2009-14547-C02-02, and from Regional Government of Madrid through the ESTRUMAT (S2009/MAT-1585) project.
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher Elsevier
dc.rights © Elsevier
dc.subject.other Ti 3Al 2.5V
dc.subject.other Ti 6Al 4V
dc.subject.other Titanium P/M
dc.subject.other Blending elemental (BE)
dc.subject.other Master alloy
dc.subject.other Flexural properties
dc.title Mechanical behaviour of pressed and sintered titanium alloys obtained from master alloy addition powders
dc.type article
dc.description.status Publicado
dc.subject.eciencia Ingeniería Industrial
dc.subject.eciencia Materiales
dc.subject.eciencia Química
dc.identifier.doi 10.1016/j.jmbbm.2012.05.019
dc.rights.accessRights openAccess
dc.relation.projectID Comunidad de Madrid. S2009/MAT-1585/ESTRUMAT
dc.type.version acceptedVersion
dc.identifier.publicationfirstpage 33
dc.identifier.publicationlastpage 45
dc.identifier.publicationtitle Journal of the Mechanical Behavior of Biomedical Materials
dc.identifier.publicationvolume 15
dc.identifier.uxxi AR/0000011863
dc.affiliation.dpto UC3M. Departamento de Ciencia e Ingeniería de Materiales e Ingeniería Química
dc.affiliation.grupoinv UC3M. Grupo de Investigación: Tecnología de Polvos
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