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dc.contributor.authorKiran Chitapalli, Ravi
dc.contributor.authorGarcía Marro, Fernando
dc.contributor.authorValle Chiro, Jorge Antonio
dc.contributor.authorYan, Haixue
dc.contributor.authorReece, Michel
dc.contributor.authorAnglada Gomila, Marcos Juan
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Ciència dels Materials i Enginyeria Metal·lúrgica
dc.identifier.citationChitapalli, R. [et al.]. Degradation resistance of 3Y-TZP ceramics sintered using spark plasma sintering. "IOP Conference Series: Materials Science and Engineering (Online)", 2009, vol. 5, núm. 1, p. 1-8.
dc.description.abstractCommercially available tetragonal zirconia powder doped with 3 mol% of yttria has been sintered using spark plasma sintering (SPS) and has been investigated for its resistance to hydrothermal degradation. Samples were sintered at 1100, 1150, 1175 and 1600ºC at constant pressure of 100 MPa and soaking for 5 minutes, and the grain sizes obtained were 65, 90, 120 and 800 nm, respectively. Samples sintered conventionally with a grain size of 300 nm were also compared with samples sintered using SPS. Finely polished samples were subjected to artificial degradation at 131 0C for 60 hours in vapour in auto clave under a pressure of 2 bars. The XRD studies show no phase transformation in samples with low density and small grain size (<200 nm), but significant phase transformation is seen in dense samples with larger grain size (>300 nm). Results are discussed in terms of present theories of hydrothermal degradation.
dc.format.extent8 p.
dc.publisherIOP Publishing. Institute of Physics
dc.subjectÀrees temàtiques de la UPC::Enginyeria dels materials::Materials ceràmics
dc.subject.lcshCondensed matter -- Structure
dc.subject.lcshCondensed matter -- Thermal properties
dc.subject.lcshThin films -- Surfaces
dc.subject.lcsh3Y-TZP materials
dc.subject.lcshZirconia doped with yttria
dc.titleDegradation resistance of 3Y-TZP ceramics sintered using spark plasma sintering
dc.subject.lemacMatèria condensada
dc.subject.lemacLàmines (Enginyeria)
dc.contributor.groupUniversitat Politècnica de Catalunya. CIEFMA - Centre d'Integritat Estructural, Micromecànica i Fiabilitat dels Materials
dc.description.peerreviewedPeer Reviewed
dc.rights.accessRestricted access - publisher's policy
dc.description.versionPostprint (published version)
local.citation.authorChitapalli, R.; Marro, F.G.; Valle, J.; Yan, H.; Reece, M.; Anglada, M.
local.citation.publicationNameIOP Conference Series: Materials Science and Engineering (Online)

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