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dc.creatorChicardi Augusto, Ernestoes
dc.creatorTorres Hernández, Yadires
dc.creatorCórdoba Gallego, José Manueles
dc.creatorSayagués de Vega, María Jesúses
dc.creatorRodríguez-Ortiz, José Antonioes
dc.creatorGotor Martínez, Francisco Josées
dc.date.accessioned2018-02-14T14:48:52Z
dc.date.available2018-02-14T14:48:52Z
dc.date.issued2013
dc.identifier.citationChicardi Augusto, E., Torres Hernández, Y., Córdoba Gallego, J.M., Sayagués de Vega, M.J., Rodríguez Ortiz, J.A. y Gotor Martínez, F.J. (2013). Effect of sintering time on the microstructure and mechanical properties of (Ti,Ta)(C,N)-based cermets. International Journal of Refractory Metals & Hard Materials, 38, 73-80.
dc.identifier.issn0263-4368es
dc.identifier.urihttps://hdl.handle.net/11441/70291
dc.description.abstractComplete solid-solution cermets based on titanium-tantalum carbonitride using a starting nominal composition with 80 wt.% of (Ti0.8Ta 0.2)(C0.5N0.5) and 20 wt.% of Co were performed by pressure-less sintering at 1550 C for different times (from 0 to 180 min) in an inert atmosphere. Chemical and phase analyses were conducted using X-ray diffraction (XRD), elemental analysis and energy dispersive X-ray spectrometry (EDX). The binder mean free path and the contiguity of the carbonitride particles were used to rationalise the microstructural effects of the mechanical behaviour. Mechanical characterisation included determining the Vickers hardness, the fracture toughness (conventional indentation microfractures, IM), the dynamic Young's modulus (ultrasonic technique), the biaxial strength (ball on three ball) and a detailed fractographic examination. Finally, the experimental findings were combined with a theoretical fracture mechanics analysis to estimate the critical processing flaw sizes. Binder-less carbonitride clusters, pores and coarse carbonitride grains were the main defects observed and were responsible for the fractures.es
dc.description.sponsorshipGobierno de España MAT2011-22981es
dc.formatapplication/pdfes
dc.language.isoenges
dc.publisherElsevieres
dc.relation.ispartofInternational Journal of Refractory Metals & Hard Materials, 38, 73-80.
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectMechanosynthesises
dc.subjectMicrostructurees
dc.subjectMechanical behavioures
dc.subjectTitanium carbonitridees
dc.subjectComplete solid-solution cermetes
dc.titleEffect of sintering time on the microstructure and mechanical properties of (Ti,Ta)(C,N)-based cermetses
dc.typeinfo:eu-repo/semantics/articlees
dcterms.identifierhttps://ror.org/03yxnpp24
dc.type.versioninfo:eu-repo/semantics/submittedVersiones
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses
dc.contributor.affiliationUniversidad de Sevilla. Departamento de Ingeniería y Ciencia de los Materiales y del Transporte
dc.relation.projectIDMAT2011-22981es
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.ijrmhm.2013.01.001es
dc.identifier.doi10.1016/j.ijrmhm.2013.01.001es
idus.format.extent24 p.es
dc.journaltitleInternational Journal of Refractory Metals & Hard Materialses
dc.publication.volumen38es
dc.publication.initialPage73es
dc.publication.endPage80es
dc.contributor.funderGobierno de España

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