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Core-shell Ni-Ti(C,N) structures fabricated by precipitation of based-Ni nanoparticles on TiCN suspensions

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dc.affiliation.dptoUC3M. Departamento de Ciencia e Ingeniería de Materiales e Ingeniería Químicaes
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Tecnología de Polvoses
dc.contributor.authorDios Pérez, Miguel dees
dc.contributor.authorGonzález Granados, Zoiloes
dc.contributor.authorGordo Odériz, Elenaes
dc.contributor.authorFerrari Fernández, Begoñaes
dc.date.accessioned2018-05-16T10:05:11Z
dc.date.available2018-05-16T10:05:11Z
dc.date.issued2015
dc.descriptionProceedings of: European Congress and Exhibition on Powder Metallurgy (Euro PM2015 Congress & Exhibition), Reims (France), 4-7 September 2015en
dc.description.abstractTi(C,N)-based cermets are currently used in high-speed cutting tools industry due to their high thermal stability. In previous works, Fe was proposed as metal matrix, however the use of iron as continuous matrix strongly affects the processing due to the low wetting capability of molten Fe with the reinforcement phase, Ti(C,N). To solve this problem the use of alloys such as FeNi has been proposed, where Ni improves the wettability between the ceramic and the metal phases. This work proposes a bottom-up approach to build the cermet microstructure through the synthesis of metal nanoparticles on the surface of Ti(C,N) micrometric particles, creating core-shell Ti(C,N)-Ni structures. For that purpose, synthesis parameters to obtain Ni nanoparticles were optimized and then, a one-pot synthesis procedure was tested to obtain core-shell Ti(C,N)-Ni particles by the chemical precipitation of Ni nanoparticles onto the surface of micronic Ti(C,N) particles previously stabilized in an aqueous suspension. Nickel nanoparticles and subsequent core-shell were characterized by measuring the particle size by Dynamic Light Scattering (DLS), X-Ray Diffraction (XRD), field emission scanning electron microscopy (FE-SEM).en
dc.description.sponsorshipThe authors acknowledge the support of the projects S2013/MIT-2862 and MAT2012-38650-02-01, MAT2012-38650-C02-02. M. de Dios acknowledges MINECO through the grant FPI-2013 and Dr. Z González acknowledges to MINECO through the grant PTQ-13-05985.en
dc.format.extent6es
dc.format.mimetypeapplication/pdf
dc.identifier.bibliographicCitationEuro PM2015 Proceedings: hard materials, alternative binders. Shrewsbury (U.K.): European Powder Metallurgy Association (EPMA), 2015en
dc.identifier.isbn978-1-899072-47-7 (USB)
dc.identifier.publicationtitleEuro PM2015 Proceedings: hard materials, alternative bindersen
dc.identifier.urihttps://hdl.handle.net/10016/26847
dc.identifier.uxxiCC/0000026231
dc.language.isoengen
dc.publisherEuropean Powder Metallurgy Association (EPMA)en
dc.relation.eventdate2015, 4-7 Septemberen
dc.relation.eventplaceReims (Francia)es
dc.relation.eventtitleEuropean Congress and Exhibition on Powder Metallurgy (Euro PM2015 Congress & Exhibition)en
dc.relation.ispartofhttp://hdl.handle.net/10016/27083
dc.relation.projectIDComunidad de Madrid. S2013/MIT-2862, MULTIMAT-CHALLENGEes
dc.relation.projectIDGobierno de España. MAT2012-38650-02-01es
dc.relation.projectIDGobierno de España. MAT2012-38650-C02-02es
dc.relation.projectIDGobierno de España. FPI-2013es
dc.relation.projectIDGobierno de España. PTQ-13-05985es
dc.relation.publisherversionhttps://www.epma.com/publications/euro-pm-proceedings/product/ep150327es
dc.rights© 2015 European Powder Metallurgy Associationen
dc.rights.accessRightsopen accessen
dc.subject.ecienciaMaterialeses
dc.subject.otherCore-shellen
dc.subject.otherTi(C,N)-based cermetsen
dc.subject.otherNanoparticlesen
dc.subject.otherChemical precipitationen
dc.subject.otherSuspensionsen
dc.titleCore-shell Ni-Ti(C,N) structures fabricated by precipitation of based-Ni nanoparticles on TiCN suspensionsen
dc.typeconference proceedings*
dc.type.hasVersionAM*
dspace.entity.typePublication
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