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Browsing by Author "Poyato Galán, Rosalía"
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Article
Graphene nanoplatelets for electrically conductive 3YTZP composites densified by pressureless sintering
López Pernía, Cristina; Gallardo López, Ángela María; Morales Rodríguez, Ana; Poyato Galán, Rosalía (Elsevier, 2019)3 mol% yttria tetragonal zirconia polycrystalline (3YTZP) ceramic composites with 2.5, 5 and 10 vol% graphene nanoplatelets ...
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Article
Hardness and flexural strength of single-walled carbon nanotube/alumina composites
Gallardo López, Ángela María; Poyato Galán, Rosalía; Morales Rodríguez, Ana; Fernández Serrano, Antonia; Muñoz Bernabé, Antonio; Domínguez Rodríguez, Arturo (Kluwer Academic Publishers, 2014)This work adds new experimental facts on room temperature hardness and flexural strength of alumina and composites with ...
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Article
Highly efficient electrical discharge machining of yttria-stabilized zirconia ceramics with graphene nanostructures as fillers
Muñoz Ferreiro, Carmen; López Pernía, Cristina; Moriche Tirado, Rocío; Gommeringer, A.; Kern, F.; Poyato Galán, Rosalía; Gallardo López, Ángela María (Elsevier, 2022-06-14)Electrical-discharge machining (EDM) of advanced ceramics allows the miniaturization of parts with complex shapes. Since ...
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Article
Improvement of Vickers hardness measurement on SWNT/Al2O3 composites consolidated by spark plasma sintering
Morales Rodríguez, Ana; Gallardo López, Ángela María; Fernández Serrano, Antonia; Poyato Galán, Rosalía; Muñoz Bernabé, Antonio; Domínguez Rodríguez, Arturo (Elsevier, 2014)Dense alumina composites with different carbon nanotube content were prepared by colloidal processing and consolidated by ...
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Article
Influence of the processing route on the carbon nanotubes dispersion and creep resistance of 3YTZP/SWCNTs nanocomposites
Castillo Rodríguez, Miguel; Muñoz Bernabé, Antonio; Morales Rodríguez, Ana; Poyato Galán, Rosalía; Gallardo López, Ángela María; Domínguez Rodríguez, Arturo (Wiley-Blackwell, 2015-02-01)3YTZP matrix composites containing 2.5 vol% of single-walled carbon nanotubes (SWCNT) were fabricated by Spark Plasma ...
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Article
Mechanical and electrical properties of low SWNT content 3YTZP composites
Poyato Galán, Rosalía; Macías Delgado, Julio; García Valenzuela, Aurelio; Gallardo López, Ángela María; Morales Rodríguez, Ana; Muñoz Bernabé, Antonio; Domínguez Rodríguez, Arturo (Elsevier, 2015)Fully dense 3mol% Y2O3-ZrO2 (3YTZP) composites with low single wall carbon nanotube content (0.5, 1 and 1.5vol% SWNT) were ...
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Article
Microstructure and impedance spectroscopy of 3YTZP/SWNT ceramic nanocomposites
Poyato Galán, Rosalía; Macías Delgado, Julio; Gallardo López, Ángela María; Muñoz Bernabé, Antonio; Domínguez Rodríguez, Arturo (Elsevier, 2015)This work provides new insights on microstructure and electrical properties of 3 mol% Y2O3–ZrO2 (3YTZP) composites with ...
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Article
Microstructure, interfaces and properties of 3YTZP ceramic composites with 10 and 20 vol% different graphene-based nanostructures as fillers
Muñoz Ferreiro, Carmen; Morales Rodríguez, Ana; Rojas Ruiz, Teresa Cristina; Jiménez Piqué, Emilio; López Pernía, Cristina; Poyato Galán, Rosalía; Gallardo López, Ángela María (Elsevier, 2019)The graphene family comprises not only single layer graphene but also graphene-based nanomaterials (GBN), with remarkably ...
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Article
Optimizing the homogenization technique for graphene nanoplatelet/yttria tetragonal zirconia composites: Influence on the microstructure and the electrical conductivity
López Pernía, Cristina; Muñoz Ferreiro, Carmen; González Orellana, Carmen; Morales Rodríguez, Ana; Gallardo López, Ángela María; Poyato Galán, Rosalía (Elsevier, 2018-10-30)3 mol% yttria tetragonal zirconia polycrystalline (3YTZP) ceramic composite powders with 10 vol% nominal content of graphene ...
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Article
Phase assembly and electrical conductivity of spark plasma sintered CeO2–ZrO2 ceramics
Poyato Galán, Rosalía; Cruz Torres, Sylvia Andrea; Cumbrera Hernández, Francisco Luis; Moreno, Berta; Chinarro Martín, Eva; Odriozola Gordón, José Antonio (Springer Verlag, 2014)Ce x Zr1−x O2 (x = 0.10, 0.16 and 0.33) nanocrystalline powders were obtained by a two-step synthesis technique and sintered ...
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Article
Preparation of phase pure, dense fine grained ceramics by conventional and spark plasma sintering of La-substituted BiFeO3 nanoparticles
Perejón Pazo, Antonio; Sánchez Jiménez, Pedro Enrique; Poyato Galán, Rosalía; Masó, Nahum; West, Anthony R.; Criado Luque, José Manuel; Pérez Maqueda, Luis Allan (Elsevier, 2015)High density ceramics of the system Bi1−xLaxFeO3, 0 ≤ x ≤ 0.15, have been prepared starting from nanoparticles obtained ...
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PhD Thesis
Procesado y caracterización microestructural, mecánica y eléctrica de compuestos cerámica-grafeno
López Pernía, Cristina (2021-10-01)El desarrollo de nuevos materiales avanzados es esencial para superar los desafíos científicos y tecnológicos a los que ...
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PhD Thesis
Processing and characterization of ceramic composites with two dimensional layered nanomaterials
Muñoz Ferreiro, Carmen (2023-09-22)This thesis work is focused on the development of novel multifunctional zirconia composites using two different 2D ...
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Article
R-curve Evaluation of 3YTZP/Graphene Composites by Indirect Compliance Method
López Pernía, Cristina; Muñoz Ferreiro, Carmen; Prada Rodrigo, J.; Moreno, P.; Reveron, H.; Chevalier, J.; Morales Rodríguez, Ana; Poyato Galán, Rosalía; Gallardo López, Ángela María (Elsevier, 2023)This work addresses the crack growth resistance of 3 mol% Yttria-doped Tetragonal Zirconia Polycrystalline (3YTZP) ...
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Article
Spark Plasma Sintered Zirconia Ceramic Composites with Graphene-Based Nanostructures
Gallardo López, Ángela María; López Pernía, Cristina; Muñoz Ferreiro, Carmen; González Orellana, Carmen; Morales Rodríguez, Ana; Poyato Galán, Rosalía (MDPI, 2018)The addition of graphene-based nanostructures (GBNs) can improve the inherent fragility of ceramics and provide them with ...
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Article
Spark plasma sintering of TixTa1-xC0.5N0.5-based cermets: Effects of processing conditions on chemistry, microstructure and mechanical properties
Córdoba Gallego, José Manuel; Chicardi Augusto, Ernesto; Poyato Galán, Rosalía; Gotor Martínez, Francisco José; Medri, Valentina; Guicciardi, Stefano; Melandri, Cesare (Elsevier, 2013)Nanometric powdered TixTa1-xC0.5N0.5-based cermets were fabricated using a mechanically induced self-sustaining reaction ...
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Article
Study of the Influence of Sintering Atmosphere and Mechanical Activation on the Synthesis of Bulk Ti2AlN MAX Phase Obtained by Spark Plasma Sintering
Salvo, Christopher; Chicardi Augusto, Ernesto; García Garrido, Cristina; Poyato Galán, Rosalía; Jiménez, José A.; Mangalaraja, Ramalinga Viswanathan (MDPI, 2021)The influence of the mechanical activation process and sintering atmosphere on the microstructure and mechanical properties ...
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Article
The role of carbon nanotubes on the stability of tetragonal zirconia polycrystals
Morales Rodríguez, Ana; Poyato Galán, Rosalía; Gutiérrez Mora, Felipe; Muñoz Bernabé, Antonio; Gallardo López, Ángela María (Elsevier, 2018-10)The effect of single walled carbon nanotubes (SWNT) at zirconia grain boundaries on the stability of a tetragonal zirconia ...
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Article
Tribological behavior of graphene nanoplatelet reinforced 3YTZP composites
Gutiérrez Mora, Felipe; Morales Rodríguez, Ana; Gallardo López, Ángela María; Poyato Galán, Rosalía (Elsevier, 2019)The tribological behavior of graphene nanoplatelet (GNP) reinforced 3 mol% yttria tetragonal zirconia polycrystals (3YTZP) ...
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Article
Unravelling the optimization of few-layer graphene crystallinity and electrical conductivity in ceramic composites by Raman spectroscopy
Muñoz Ferreiro, Carmen; López Pernía, Cristina; Gallardo López, Ángela María; Poyato Galán, Rosalía (Elsevier, 2021)Zirconia composites with few-layer graphene (FLG) were prepared by two powder processing routines -ultrasonic agitation ...