Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/50489

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dc.contributor.authorMadeira, S.por
dc.contributor.authorPinto, A. M. P.por
dc.contributor.authorRodrigues, L. C.por
dc.contributor.authorCarvalho, Óscar Samuel Novaispor
dc.contributor.authorMiranda, G.por
dc.contributor.authorReis, R. L.por
dc.contributor.authorCaramês, J.por
dc.contributor.authorSilva, F. S.por
dc.date.accessioned2018-02-15T11:01:23Z-
dc.date.available2018-02-15T11:01:23Z-
dc.date.issued2017-02-
dc.date.submitted2017-11-
dc.identifier.citationMadeira S., Pinto A. M. P., Rodrigues L.C., Carvalho O., Miranda G., Reis R. L., Caramês J., Silva F. S. Effect of sintering pressure on microstructure and mechanical properties of hot-pressed Ti6Al4V-ZrO2 materials, Materials & Design, Vol. 120, pp. 394-403, doi:10.1016/j.matdes.2017.02.038, 2017por
dc.identifier.issn0261-3069por
dc.identifier.urihttp://hdl.handle.net/1822/50489-
dc.description.abstractThe development of new design approaches for biomedical applications using conventional and well accepted bio inert materials is an actual challenge. This study proposes a bilayered materials design approach obtained by hot pressing and is concerned with the influence of sintering pressure on the interface reaction between titaniumalloy (Ti6Al4V) and zirconia (ZrO2), on density and mechanical properties of the Ti6Al4V-ZrO2. For this purpose, different sintering pressureswere studied (P=5, 20 and 100MPa). Bilayered materialswere produced by hot pressing process, at T=1175 °C. Microstructural characterization showed that Ti6Al4V reacts with ZrO2 (for Pâ ¥20 MPa) and that the interface reaction is strongly dependent on pressure. Additionally, an oxygen-deficient ZrO2 â x black zirconia layer was obtained for specimens produced at P=20 and 100MPa as result of decreased O/Zr ratio due to Ti diffusion into ZrO2 side. Young's modulus and hardness properties were evaluated by nanoindentation test. The results showed that these properties are influenced by sintering pressure, increasing with an increase on sintering pressure, with the highest improvement for specimens produced at higher pressure.por
dc.description.sponsorshipThis work is supported by FTC through the grant SFRH/BD/112280/ 2015 and the reference project UID/EEA/04436/2013, by FEDER funds through the COMPETE 2020 – Programa Operacional Competitividade e Internacionalização (POCI) with the reference project POCI-01-0145- FEDER-006941, and NORTE-01-0145-FEDER-000018-HAMaBICo.por
dc.language.isoengpor
dc.publisherElsevierpor
dc.relationSFRH/BD/112280/ 2015por
dc.relationinfo:eu-repo/grantAgreement/FCT/5876/147325/PTpor
dc.relationOCI-01-0145- FEDER-006941por
dc.relationNORTE-01-0145-FEDER-000018-HAMaBICopor
dc.rightsopenAccesspor
dc.subjectMechanical Propertiespor
dc.subjectMetal-ceramicpor
dc.subjectMicrostructurepor
dc.subjectTi6Al4Vpor
dc.subjectZrO2por
dc.titleEffect of sintering pressure on microstructure and mechanical properties of hot-pressed Ti6Al4V-ZrO2 materialspor
dc.typearticle-
dc.peerreviewedyespor
dc.relation.publisherversionhttp://www.sciencedirect.com/science/article/pii/S0264127517301661por
dc.commentshttp://3bs.uminho.pt/node/19257por
oaire.citationStartPage394por
oaire.citationEndPage403por
oaire.citationVolume120por
dc.date.updated2018-02-09T17:16:28Z-
dc.identifier.essn0264-1275por
dc.identifier.doi10.1016/j.matdes.2017.02.038por
dc.description.publicationversioninfo:eu-repo/semantics/publishedVersionpor
dc.subject.wosScience & Technologypor
sdum.journalMaterials & Designpor
Appears in Collections:3B’s - Artigos em revistas/Papers in scientific journals


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