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dc.contributor.authorChicardi, E.-
dc.contributor.authorCórdoba, J.M.-
dc.contributor.authorSayagués, María Jesús-
dc.contributor.authorGotor, F.J.-
dc.identifier.citationInternational Journal of Refractory Metals and Hard Materials 33: 38–43 (2012)es_ES
dc.description6 páginas, 7 figurases_ES
dc.description.abstract(Ti,Ta)(C,N) solid solution-based cermets with cobalt as the binder phase were synthesised by a two-step milling process. The titanium–tantalum carbonitride solid solution (the ceramic phase) was obtained via a mechanically induced self-sustaining reaction (MSR) process from stoichiometric elemental Ti, Ta, and graphite powder blends in a nitrogen atmosphere. Elemental Co (the binder phase) was added to the ceramic phase, and the mixture was homogenised by mechanical milling (MM). The powdered cermet was then sintered in a tubular furnace at temperatures ranging from 1400 °C to 1600 °C in an inert atmosphere. The chemical composition and microstructure of the sintered cermets were characterised as ceramic particles grown via a coalescence process and embedded in a complex (Ti,Ta)–Co intermetallic matrix. The absence of the typical core–rim microstructure was confirmed.es_ES
dc.description.sponsorshipThis work was supported by the Spanish Government under grant no. MAT2010-17046, which was financed in part by the European Regional Development Fund of 2007–2013. E. Chicardi and J. M. Córdoba were supported by the CSIC through JAE-Pre and JAE-Doc grants, respectively, which are financed in part by the European Social Fund (ESF).es_ES
dc.subjectCeramic-matrix compositees_ES
dc.subjectTitanium carbonitridees_ES
dc.titleAbsence of the core–rim microstructure in TixTa1 − xCyN1 − y-based cermets developed from a pre-sintered carbonitride master alloyes_ES
dc.description.peerreviewedPeer reviewedes_ES
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