Listar por autoría "c59ed88f-d348-424e-b19b-53e707630c1c"
Mostrando ítems 1-20 de 44
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A general method to determine optimal thermal cycles based on solid-state sintering fundamentals
Barba-Juan, Antonio; Clausell-Terol, Carolina Elsevier (2019-04-01)Most technical ceramics require processing up to and including final-stage sintering to obtain a high-density bulk while inhibiting grain growth as dominant sintering process as far as possible. The literature typically ... -
Activación alcalina de metacaolín. Efecto de la adición de silicato soluble y de la temperatura de curado
Monzó Fuster, María; Fernández Jiménez, Ana; Vicent Cabedo, Mónica; Palomo, M.; Barba-Juan, Antonio Sociedad Española de Cerámica y Vidrio (2008)El objetivo del presente trabajo es determinar el efecto que la cantidad de sílice soluble presente en la disolución activadora (relación molar SiO2/Na2O entre 0 y 0.69) y la temperatura de curado (85ºC, 150ºC y 200ºC) ... -
Alkaline activation of metakaolin–fly ash mixtures: Obtain of Zeoceramics and Zeocements
Fernández Jiménez, Ana; Monzó Fuster, María; Vicent Cabedo, Mónica; Barba-Juan, Antonio; Palomo, A. Elsevier (2008-02)This study examines the variation in physico-mechanical properties and mineralogical and microstructural characteristics of the alkaline inorganic polymers obtained by alkaline activation, with a mixture of sodium silica ... -
Bead-releasing agents used in the preparation of solid samples as beads for WD-XRF measurement
Gazulla Barreda, Maria Fernanda; Barba-Juan, Antonio; Orduña, Mónica; Rodrigo, Marta Wiley-Blackwell (2008)A study has been undertaken of bead-releasing agents that are widely used in preparing solid samples as fused beads for wavelength-dispersive X-ray fluorescence (WD-XRF)spectrometry measurement. The following bead-releasing ... -
Ceramic wastes as alternative raw materials for Portland cement clinker production
Puertas, F.; García-Díaz, I.; Barba-Juan, Antonio; Gazulla Barreda, Maria Fernanda; Palacios, Marta; Gómez-Tena, Maria Pilar; Martínez Ramirez, S. Elsevier (2008)The cement industry has for some time been seeking procedures that would effectively reduce the high energy and environmental costs of cement manufacture. One such procedure is the use of alternative materials as partial ... -
Characterization of silica–water nanofluids dispersed with an ultrasound probe: A study of their physical properties and stability
Mondragon, Rosa; Juliá Bolívar, José Enrique; Barba-Juan, Antonio; Jarque Fonfría, Juan Carlos Elsevier (2012)The stability and agglomeration state of nanofluids are key parameters for their use in different applications. Silica nanofluids were prepared by dispersing the nanoparticles in distilled water using an ultrasonic probe, ... -
Ciclo térmico para la obtención de una ferrita de Ni-Zn: (I) Diseño de la etapa de sinterización
Barba-Juan, Antonio; Clausell-Terol, Carolina; Monzó Fuster, María; Jarque Fonfría, Juan Carlos Sociedad Española de Cerámica y Vidrio (2008)Las piezas cerámicas obtenidas a partir de polvos de ferritas de composición (Cu0.12Ni0.23Zn0.65)Fe2O4 destacan como absorbentes de radiación electromagnética entre las ferritas de Ni-Zn dopadas con Cu, impidiendo ... -
Ciclo térmico para la obtención de una ferrita de Ni-Zn: (II) Influencia de la etapa de enfriamiento
Barba-Juan, Antonio; Clausell-Terol, Carolina; Monzó Fuster, María; Jarque Fonfría, Juan Carlos Sociedad Española de Cerámica y Vidrio (2008)Las piezas cerámicas obtenidas a partir de polvos de ferritas de composición (Cu0.12Ni0.23Zn0.65)Fe2O4 destacan como absorbentes de radiación electromagnética entre las ferritas de Ni-Zn dopadas con Cu, impidiendo ... -
Compositional effects on the crosslink density of Ca–(Mg)–(Y)–Si–Al–oxyfluoronitride glasses
Clausell-Terol, Carolina; Barba-Juan, Antonio; Jarque Fonfría, Juan Carlos; García Bellés, Àngel R.; Pomeroy, M. J.; Hampshire, S. Wiley (2017-09)The effects of fluorine and nitrogen substitution for oxygen in aluminosilicate glasses, effectively oxyfluoronitride (OFN) glasses, modified by calcium, calcium–yttrium or calcium–magnesium on thermal and physical/mechanical ... -
Determination of the packing fraction of silica naoparticles from the rheological and viscoelastic measurements of nanofluids
Mondragon, Rosa; Juliá Bolívar, José Enrique; Barba-Juan, Antonio; Jarque Fonfría, Juan Carlos elsevier (2012-10)Nanofluids have become of great interest due to the excellent properties and reduced size of nanoparticles making them useful for different applications. The agglomeration of nanoparticles depends on the interparticle ... -
Effect of average grain size and sintered relative density on the imaginary part – µ″ of the complex magnetic permeability of (Cu0.12Ni0.23Zn0.65)Fe2O4 system
Clausell-Terol, Carolina; Barba-Juan, Antonio; Nuño, Luis; Jarque Fonfría, Juan Carlos Elsevier (2016)The influence of the sintered microstructure on the electromagnetic properties of Cu-doped NiZn ferrites were investigated. Two of the main variables of the thermal cycle have been modified: the maximum sintering temperature ... -
Effect of fluorine and nitrogen content on the properties of Ca-Mg-Si-Al-O-(N)-(F) glasses
García Bellés, Àngel R.; Clausell-Terol, Carolina; Barba-Juan, Antonio; Pomeroy, M. J.; Hampshire, S. Elsevier (2017)X-ray amorphous glasses of composition (in equivalent percent) 15Ca:15Mg: 55Si:15Al:(100-x-y)O:xN:yF with x=0, 10, 15 and y=0, 1, 3, 5, were prepared by melting and casting. The effects of oxygen substitution by fluorine ... -
Effect of sodium addition on the preparation of hydroxyapatites and biphasic ceramics
Kannan, S.; Ventura, Jofre M. G.; Lemos, A. F.; Barba-Juan, Antonio; Ferreira, J. M. F. (2008)HAP and biphasic ceramics of two different HAP and β-TCP proportions with substituted sodium were prepared through an aqueous precipitation method. The prepared powders were characterized by XRD, thermal analysis, FT-IR ... -
Effect of slurry properties and operational conditions on the structure and properties of porcelain tile granules dried in an acoustic levitator
Mondragon, Rosa; Jarque Fonfría, Juan Carlos; Juliá Bolívar, José Enrique; Hernandez, Leonor; Barba-Juan, Antonio Elsevier (2012)Spray-drying is a unit operation highly important in many industrial applications. In this work, the influence of the drying conditions on the final grain properties has been investigated in single droplet experiments.Porcelain ... -
Electromagnetic properties of ferrite tile absorber as a function of compaction pressure
Clausell-Terol, Carolina; Barba-Juan, Antonio; Nuño, Luis; Jarque, Juan Carlos Elsevier (2016-07-06)In this study, the influence of compaction pressure on the electromagnetic properties of Cu-doped NiZn ferrites was investigated. The evolution of the imaginary part – μ″ of the complex magnetic permeability was analysed ... -
Enhancing NiZn ferrite properties through microwave sintering: A comparative studyMejora de las propiedades de la ferrita de NiZn mediante sinterización por microondas: un estudio comparativo
Clausell-Terol, Carolina; Barba-Juan, Antonio; Mormeneo-Segarra, Andrés; Putyra, Piotr; Jaworska, Lucyna Elsevier (2023-11-03)The structural, microstructural, morphological, and electromagnetic properties of a micro- and nanostructured nickel–zinc ferrite ((Cu0.12Ni0.23Zn0.65)Fe2O4) were studied after sintering between 900 and 1100 °C. The ... -
Factors Controlling Properties of Ca-Mg, Ca-Er, Ca-Nd, or Ca-Y-Modified Aluminosilicate Glasses Containing Nitrogen and Fluorine
García Bellés, Àngel R.; Monzó Fuster, María; Barba-Juan, Antonio; Clausell-Terol, Carolina; Pomeroy, M. J.; Hanifi, A. R.; Hampshire, S. John Wiley & Sons (2013)Glasses with composition (in eq.%) (30 − x)Ca:xM:55Si:15Al:80O:15N:5F have been prepared with different levels of substitution of Ca2+ cations by Mg2+, Y3+, Er3+, or Nd3+. The properties of these glasses are examined in ... -
In operando characterization of the ionic conductivity dependence on liquid transient phase and microstructure of cold-sintered Bi2O3-doped Li1.3Al0.3Ti1.7(PO4)3 solid-state electrolyte
Mormeneo-Segarra, Andrés; Ferrer Nicomedes, Sergio; Vicente-Agut, Nuria; Barba-Juan, Antonio Elsevier (2023-08-31)A disruptive sintering technique, Cold Sintering Process (CSP), has been used to produce cold-sintered samples of Bi2O3-doped Li1.3Al0.3Ti1.7(PO4)3 (LATP) as solid-state electrolyte (SSE). An in operando impedance study ... -
In-situ impedance spectrospocy to dentify mechanisms in cold sintering process of Li1,3Al0,3Ti1,7(PO4)3 (LATP) solid electrolyte
Vicente-Agut, Nuria; Mormeneo-Segarra, Andrés; Ferrer Nicomedes, Sergio; Barba-Juan, Antonio Universitat Jaume I (2023-09)En 2021, sólo el 30 % de energía consumida mundialmente procedía de fuentes renovables. El almacenamiento de energía permitiría compensar la intermitencia a la que está sujeta la generación de energía limpia y, por tanto, ... -
Influence of microstructure and magnetizing mechanisms on magnetic complex permeability (imaginary part) of a Cu-doped Ni-Zn polycrystalline ferrite
Barba-Juan, Antonio; Vicente-Agut, Nuria; Mormeneo-Segarra, Andrés; Clausell-Terol, Carolina Elsevier (2021)The complex permeability of the Cu-doped Ni–Zn polycrystalline ferrites is strongly dependent on microstructure, particularly on relative density (ϕ) and average grain size (G), as it has been shown in a previous ...