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Listar por autor "Poyato Galán, Rosalía"
Mostrando ítems 1-20 de 40
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Artículo
A direct in situ observation of water-enhanced proton conductivity of Eu-doped ZrO2: Effect on WGS reaction
García Moncada, Nuria; Bobadilla Baladrón, Luis Francisco; Poyato Galán, Rosalía; López Cartes, Carlos; Romero Sarria, Francisca; Centeno Gallego, Miguel Ángel; Odriozola Gordón, José Antonio (Elsevier, 2018)Eu-doped ZrO2 solid solutions have been synthesized in order to prepare proton conductors as water-enhancer additives for ...
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Artículo
A first insight into the microstructure and crack propagation in novel boron nitride nanosheet/3YTZP composites
Muñoz Ferreiro, Carmen; Morales Rodríguez, Ana; Gallardo López, Ángela María; Poyato Galán, Rosalía (Sociedad Española de Cerámica y Vidrio, 2021)In this work, novel 3mol% yttria tetragonal zirconia polycristalline (3YTZP) ceramic composites with boron nitride nanosheets ...
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Artículo
Ageing-resistant zirconia/graphene-based nanostructures composites for use as biomaterials
Morales Rodríguez, Ana; González Orellana, Carmen; Pérez García, Antonio; López Pernía, Cristina; Muñoz Ferreiro, Carmen; Poyato Galán, Rosalía; Gallardo López, Ángela María (Elsevier, 2022)This work explores the incorporation of graphene-based two-dimensional nanostructures as moisture barriers to delay ...
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Trabajo Fin de Grado
Análisis de espectroscopía de impedancia compleja en electrolitos para celdas de combustible de óxido sólido
Cruz Blanco, Ana de la (2023-06-13)En este trabajo se han caracterizado eléctricamente dos conductores iónicos mediante espectroscopía de impedancia compleja ...
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Trabajo Fin de Grado
Conductividad eléctrica en función de la temperatura de compuestos de 3YTZP con nano-plaquetas de grafeno
Osuna de Castro, Jesús (2017)En este proyecto se ha estudiado la conductividad eléctrica y su dependencia con la temperatura en compuestos cerámicos ...
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Artículo
Creep-resistant composites of alumina and single-wall carbon nanotubes
Zapata Solvas, Eugenio; Poyato Galán, Rosalía; Gómez García, Diego; Domínguez Rodríguez, Arturo; Radmilovic, Velimir; Padture, Nitin P. (2008)Composites of alumina Al2O3 ceramic and single-wall carbon nanotubes (SWNTs) have been tested in uniaxial compression at ...
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Artículo
Critical Influence of the Processing Route on the Mechanical Properties of Zirconia Composites with Graphene Nanoplatelets
Gallardo López, Ángela María; Muñoz Ferreiro, Carmen; López Pernía, Cristina; Jiménez Piqué, Emilio; Gutiérrez Mora, Felipe; Morales Rodríguez, Ana; Poyato Galán, Rosalía (MDPI, 2021)Graphene-based nanostructures, used as potential reinforcement in ceramic composites, have a great tendency to agglomerate. ...
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Artículo
Dense graphene nanoplatelet/yttria tetragonal zirconia composites: Processing, hardness and electrical conductivity
Gallardo López, Ángela María; Morales Rodríguez, Ana; Márquez Abril, Iván; Muñoz Bernabé, Antonio; Poyato Galán, Rosalía (Elsevier, 2017)Yttria tetragonal zirconia ceramic composites with 1, 2.5, 5 and 10 vol% nominal contents of graphene nanoplatelets (GNPs) ...
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Artículo
Design and testing of a microchannel reactor for the PROX reaction
Cruz Torres, Sylvia Andrea; Sanz Iturralde, Oihane; Poyato Galán, Rosalía; Laguna Espitia, Oscar Hernando; Echave, F. Javier; Almeida, Luis C.; Centeno Gallego, Miguel Ángel; Arzamendi, Gurutze; Gandía, L. M.; Souza-Aguiar, E. F.; Montes, Mario; Odriozola Gordón, José Antonio (Elsevier, 2011)The different steps for manufacturing a microchannel reactor for the PROX reaction are discussed. Transient Liquid Phase ...
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Artículo
Effect of acid-treatment and colloidal-processing conditions on the room temperature mechanical and electrical properties of 3YTZP/MWNT ceramic nanocomposites
Poyato Galán, Rosalía; Morales Rodríguez, Ana; Gutiérrez Mora, Felipe; Muñoz Bernabé, Antonio; Gallardo López, Ángela María (Elsevier, 2017)Different colloidal powder processing routines have been used to prepare composites of 3 mol% Y2O3 -ZrO2 (tetragonal ...
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Artículo
Effect of high SWNT content on the room temperature mechanical properties of fully dense 3YTZP/SWNT composites
Poyato Galán, Rosalía; Gallardo López, Ángela María; Gutiérrez Mora, Felipe; Morales Rodríguez, Ana; Muñoz Bernabé, Antonio; Domínguez Rodríguez, Arturo (Elsevier, 2014)This paper is devoted to correlate the microstructure and room temperature mechanical properties of single-wall carbon ...
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Artículo
Electrical conduction mechanisms in graphene nanoplatelet/yttria tetragonal zirconia composites
Poyato Galán, Rosalía; Osuna, J.; Morales Rodríguez, Ana; Gallardo López, Ángela María (Elsevier, 2018-08)Yttria tetragonal zirconia polycrystalline (3YTZP) ceramic composites with 5, 10 and 20 vol% graphene nanoplatelets (GNPs) ...
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Artículo
Electrical Performance of Orthotropic and Isotropic 3YTZP Composites with Graphene Fillers
López Pernía, Cristina; Muñoz Ferreiro, Carmen; Moriche Tirado, Rocío; Morales Rodríguez, Ana; Gallardo López, Ángela María; Poyato Galán, Rosalía (Elsevier, 2022)3 mol% yttria tetragonal zirconia polycrystal (3YTZP) composites with orthotropic or isotropic microstructures were obtained ...
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Artículo
Electrical properties of reduced 3YTZP ceramics consolidated by spark plasma sintering
Poyato Galán, Rosalía; Macías Delgado, Julio; García-Valenzuela, Aurelio; González Romero, Roberto Luis; Muñoz Bernabé, Antonio; Domínguez Rodríguez, Alejandro (Elsevier, 2016)3 mol% Yttria doped zirconia ceramics were consolidated by spark plasma sintering (SPS) at two sintering temperatures with ...
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Artículo
Electrical properties of stoichiometric BiFeO3 prepared by mechanosynthesis with either conventional or spark plasma sintering
Poyato Galán, Rosalía; Perejón Pazo, Antonio; Masó, Nahum; Sánchez Jiménez, Pedro Enrique; Criado Luque, José Manuel; Pérez Maqueda, Luis Allan (Wiley, 2013)Phase-pure powders of stoichiometric BiFeO3 have been prepared by mechanosynthesis. Ceramics sintered by either conventional ...
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Artículo
Electrochemically exfoliated graphene-like nanosheets for use in ceramic nanocomposites
Poyato Galán, Rosalía; Verdugo, Reyes; Muñoz Ferreiro, Carmen; Gallardo López, Ángela María (Multidisciplinary Digital Publishing Institute (MDPI), 2020)In this work, the synthesis of graphene-like nanosheets (GNS) by an electrochemical exfoliation method, their microstructural ...
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Artículo
Enhanced carbon nanotube dispersion in 3YTZP/SWNTs composites and its effect on room temperature mechanical and electrical properties
Gallardo López, Ángela María; Morales Rodríguez, Ana; Vega Padillo, Jesús; Poyato Galán, Rosalía; Muñoz Bernabé, Antonio; Domínguez Rodríguez, Arturo (Elsevier, 2016-10)In this work, several modifications of the colloidal processing technique and spark plasma sintering (SPS) to prepare ...
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Artículo
Enhancing the electrical conductivity of in-situ reduced graphene oxide-zirconia composites through the control of the processing routine
López Pernía, Cristina; Morales Rodríguez, Ana; Gallardo López, Ángela María; Poyato Galán, Rosalía (Elsevier, 2021)Graphene oxide (GO) was mixed with 3 mol% yttria tetragonal zirconia polycrystal (3YTZP) using two powder processing ...
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Artículo
Evidence of nanograin cluster coalescence in spark plasma sintered α-Al2O3
Morales Rodríguez, Ana; Poyato Galán, Rosalía; Gallardo López, Ángela María; Muñoz Bernabé, Antonio; Domínguez Rodríguez, Arturo (Elsevier, 2013)The aim of this study is to elucidate the coarsening kinetics involved during densification of fine-grained pure α-alumina ...
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Artículo
Flexure Strength and Fracture Propagation in Zirconia Ceramic Composites with Exfoliated Graphene Nanoplatelets
Gallardo López, Ángela María; Castillo Seoane, Javier; Muñoz Ferreiro, Carmen; López Pernía, Cristina; Morales Rodríguez, Ana; Poyato Galán, Rosalía (Multidisciplinary Digital Publishing Institute (MDPI), 2020)In this work, the flexure strength and fracture propagation mechanisms in yttria tetragonal zirconia (3YTZP) dense composites ...