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dc.contributor.authorGonzález, José C.-
dc.contributor.authorRodríguez, Miguel A.-
dc.contributor.authorFigueroa, Ignacio A.-
dc.contributor.authorVillafuerte-Castrejón, María-Elena-
dc.contributor.authorDíaz, Gerardo C.-
dc.identifierdoi: 10.3390/ma10030324-
dc.identifier.citationMaterials 10 (3): 324 (2017)-
dc.description.abstractThe synthesis of AlN and TiB<sub>2</sub> by spark plasma sintering (SPS) and the effect of Nb<sub>2</sub>O<sub>5</sub>, Y<sub>2</sub>O<sub>3</sub> and ZrO<sub>2</sub> additions on the mechanical properties and densification of the produced composites is reported and discussed. After the SPS process, dense AlN and TiB<sub>2</sub> composites with Nb<sub>2</sub>O<sub>5</sub>, Y<sub>2</sub>O<sub>3</sub> and ZrO<sub>2</sub> were successfully prepared. X-ray diffraction analysis showed that in the AlN composites, the addition of Nb<sub>2</sub>O<sub>5</sub> gives rise to Nb<sub>4</sub>N<sub>3</sub> during sintering. The compound Y<sub>3</sub>Al<sub>5</sub>O<sub>12</sub> (YAG) was observed as precipitate in the sample with Y<sub>2</sub>O<sub>3</sub>. X-ray diffraction analysis of the TiB<sub>2</sub> composites showed TiB<sub>2</sub> as a single phase in these materials. The maximum Vickers and toughness values were 14.19 ± 1.43 GPa and 27.52 ± 1.75 GPa for the AlN and TiB<sub>2</sub> composites, respectively.-
dc.description.sponsorshipWe acknowledge support by the CSIC Open Access Publication Initiative through its Unit of Information Resources for Research (URICI).-
dc.description.sponsorshipThe authors would like to thank Angel de Pablos Perez, José Jiménez Garcia, Nilo Cornejo Gómez and Sara Sereña Palomares of the Instituto de Cerámica y Vidrio, CSIC-Spain for assistance in measurements of SPS, mechanical properties and SEM. Adriana Tejeda, Gabriel Lara, Omar Novelo of the Instituto de Investigaciones en Materiales of the Universidad Nacional Autónoma de México for XRD and SEM and J. Ma. Rincón from Instituto Eduardo Torroja de Ciencias de la Construcción, CSIC for correcting the draft of this paper.-
dc.publisherMultidisciplinary Digital Publishing Institute-
dc.relation.isversionofPublisher's version-
dc.titleDevelopment of AlN and TiB2 Composites with Nb2O5, Y2O3 and ZrO2 as Sintering Aids-
dc.contributor.funderConsejo Superior de Investigaciones Científicas (España)-
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