Listar por autor "García-Aranda, Miguel Ángel"
Mostrando ítems 21-40 de 119
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Clinkering of calcium sulfoaluminate clinkers: polymorphism of ye'elimite
Gomez-de-la-Torre, Maria de los Angeles
; García-Aranda, Miguel Ángel; Santacruz-Cruz, Maria Isabel; Cuesta-Garcia, Ana Maria; Zea-Garcia, Jesus D.; Londono-Zuluaga, Diana; García-Maté, Marta; Álvarez-Pinazo, Gema[et al.] (2018)
The manufacture of CSA cements is more environmentally friendly than that of OPC as it releases less CO2. This reduction depends on CSA composition and is due to three factors: i) less emissions from decarbonation in the ... -
Combining laboratory X-ray powder diffraction and microtomography for studying cement hydration
García-Aranda, Miguel Ángel (n.a., 2023)
Se da en documento adjunto con gráficos. -
A comparative study of experimental configurations in synchrotron pair distribution function
Zea-Garcia, Jesus D.; Gomez-de-la-Torre, Maria de los Angeles; García-Aranda, Miguel Ángel; Cuesta-Garcia, Ana Maria (MDPI - Publisher of Open Access Journals, 2019-04-25)
The identification and quantification of amorphous components and nanocrystalline phases with very small crystal sizes, smaller than ~3 nm, within samples containing crystalline phases is very challenging. However, this ... -
Cristaloquímica y Conductividad de ion óxido en Oxo-cuspidinas
(Universidad de Málaga, Servicio de Publicaciones, 2006)El trabajo de investigación se ha centrado en el estudio (preparación y caracterización estructural y eléctrica) de las oxo-cuspidinas con fórmula general A4(M2O71)O2 (A=La, Nd, Sm, Gd; M=Ga, Al) como posibles materiales ... -
Design and optimisation of new formulations of Belite-Alite Calcium Sulfoaluminate (BACSA) eco-cements
Londono-Zuluaga, Diana; Santacruz-Cruz, Maria Isabel; Tobón, Jorge Iván; García-Aranda, Miguel Ángel; Gomez-de-la-Torre, Maria de los Angeles (2015-07-02)
Belite Calcium SulfoAluminate (BCSA) eco-cements were developed as OPC substitutes since in their production release 22% less CO2 than OPC. BCSA eco-cements contain belite as main phase (>50 wt%) and ye'elimite as secondary ... -
Diffraction for industries, businesses and health
García-Aranda, Miguel Ángel (2019-10-01)
Se adjunta abstract en PDF- PDF abstract is attached -
Difracción de rayos-x (DRX) y cementos: desde la investigación hasta el control de calidad
García-Maté, Marta; Gomez-de-la-Torre, Maria de los Angeles; García-Aranda, Miguel Ángel (2019-06-20)
Los materiales de construcción son componentes complejos de gran interés comercial. Por ello, el conocimiento cuantitativo de su mineralogía a través de la difracción de rayos X (DRX) es de crucial importancia para optimizar ... -
Doble activación de cementos BYF (belita-ye’elemita-ferrita) y su efecto en pastas y morteros
Pérez-Bravo, Raquel; Morales-Cantero, Alejandro; García-Aranda, Miguel Ángel; Santacruz-Cruz, Maria Isabel; Torre, Ángeles G. de la (2022-06-30)
Los eco-cementos tipo BYF se postulan como una alternativa a los PC (Cementos Portland) por su menor demanda de caliza. Estos están principalmente constituidos por tres fases: Belita (-C2S o -Ca2SiO4), Ye’elemita (C4A3S ... -
Early hydration of belite-ye’elimite-ferrite cements: Role of admixtures
Pérez-Bravo, Raquel; Morales-Cantero, Alejandro; Cuesta-Garcia, Ana Maria; García-Aranda, Miguel Ángel; Santacruz-Cruz, Maria Isabel; Gomez-de-la-Torre, Maria de los Angeles[et al.] (sciencedirect, 2023)
The effect of TIPA and CaCl2 on early hydration, i.e. 24 h, of a B-BYF cement has been studied by in situ synchrotron X-ray powder diffraction, calorimetry, thermal analysis, NMR, and rheological measurements of the pastes ... -
Early hydration study of standard and doped Alite-Belite-Ye’elimite (ABY) cements through Synchrotron Radiation
Zea-Garcia, Jesus D.; Cuesta-Garcia, Ana Maria; Gomez-de-la-Torre, Maria de los Angeles; García-Aranda, Miguel Ángel; Vallcorba, O.; Santacruz-Cruz, Maria Isabel[et al.] (2018-07-09)
The manufacturing of ye'elimite-rich cements releases from 15 to 37%, depending on their composition, less CO2 to the atmosphere than ordinary Portland cement (OPC). BYF cements containing belite, ye’elimite and ferrite ... -
Early-age reactivity of calcined kaolinitic clays in LC3 cements: a multitechnique investigation including pair distribution function analysis
Bernal, Isabel M.R.; García-Aranda, Miguel Ángel; Santacruz-Cruz, Maria Isabel; Gomez-de-la-Torre, Maria de los Angeles; Cuesta-García, Ana María (Taylor & Francis, 2022-09)
Limestone Calcined Clay Cements, LC3, allows CO2 emissions savings up to 40%. The resulting binders have competitive mechanical performances after a week. However, the reactivity of LC3 at early ages is slow and should be ... -
Effect of boron and water-to-cement ratio on the performances of laboratory prepared Belite-Ye'elimite-Ferrite (BYF) cements
Pérez-Bravo, Raquel; Morales-Cantero, Alejandro; Bruscolini, Marguerita; García-Aranda, Miguel Ángel; Santacruz-Cruz, Maria Isabel; Gomez-de-la-Torre, Maria de los Angeles[et al.] (2021)
The effect of superplasticiser, borax and the water-to-cement ratio on BYF hydration and mechanical strengths has been studied. Two laboratory-scale BYF cements—st-BYF (with -C2S and orthorhombic C4A3 S) and borax-activated ... -
Effect of calcium sulfate source on the hydration of calcium sulfoaluminate eco-cement
García-Maté, Marta; Gomez-de-la-Torre, Maria de los Angeles; León-Reina, Laura; Ramirez-Losilla, Enrique; García-Aranda, Miguel Ángel; Santacruz-Cruz, Maria Isabel[et al.] (2014)
The availability of cements, including eco-cements, with tailored mechanical properties is very important for special applications in the building industry. Here we report a full study of the hydration of calcium sulfoaluminate ... -
Effect of different retarders on the hydration of calcium sulfoaluminate eco-cement pastes
García-Maté, Marta; Gomez-de-la-Torre, Maria de los Angeles; García-Aranda, Miguel Ángel; Santacruz-Cruz, Maria Isabel (2014-07-09)
The manufacture of Calcium SulfoAluminate (CSA) cements is more environmentally friendly than that of OPC [1] as their production releases up to 40% less CO2 than the latter. The main performances of CSA cements are fast ... -
Experimental and theoretical high pressure study of calcium hydroxyaluminate phases
Cuesta-Garcia, Ana Maria; Pawel, Rejmak; Ayuela, Andres; Gomez-de-la-Torre, Maria de los Angeles; Santacruz-Cruz, Maria Isabel; Carrasco, Lucia F.; Popescu, Catalin; García-Aranda, Miguel Ángel[et al.] (Elsevier, 2017)
Five calcium hydroxyaluminate phases have been investigated by synchrotron powder diffraction at high-pressure: two hydrogarnets, kuzelite, stratlingite and ettringite. The obtained bulk modulus, K0, for kuzelite, stratlingite ... -
Hidratación y prestaciones mecánicas de cementos LC3 con arcillas caoliníticas calcinadas españolas
Santacruz-Cruz, Maria Isabel; Bernal, Isabel M.R.; Cuesta, Ana; Gomez-de-la-Torre, Maria de los Angeles; García-Aranda, Miguel Ángel (2022-06)
La búsqueda de alternativas que reduzcan esas emisiones es prioritario. Dentro de esas estrategias se encuentra la sustitución parcial de cemento por material cementicio suplementario (SCM, de sus siglas en inglés, ... -
High-Throughput Synthesis of Pillared-Layered Magnesium Tetraphosphonate Coordination Polymers: Framework Interconversions and Proton Conductivity Studies
Perez-Colodrero, Rosario Mercedes; Salcedo, Inés R.; Bazaga-García, Montse; Barouda, Eleni; Papadaki, Maria; Papathanasiou, Konstantinos E.; Hernández Alonso, Daniel; Rius, Jordi; García-Aranda, Miguel Ángel; Ramirez-Losilla, Enrique; Olivera-Pastor, Pascual; Demadis, Konstantinos D.; Cabeza-Diaz, Aurelio[et al.] (MDPI, www.mdpi.com/journal/inorganics, 2018-09-11)
Novel pillared-layered framework materials were synthesized by high-throughput or microwave-assisted methodology that contain Mg2+ and the zwitterionic linker HDTMP (hexamethylenediamine-N,N,N0,N0-tetrakis(methylenephosphonic ... -
Hydration characteristics and mechanical performances of LC3 binders with spanish kaolinitic calcined clays
Bernal, Isabel M.R.; Cuesta-Garcia, Ana Maria; Gomez-de-la-Torre, Maria de los Angeles; Santacruz-Cruz, Maria Isabel; García-Aranda, Miguel Ángel (2022)
Limestone Calcined Clay Cements (LC3) are binders with complex phase development and microstructures. Although the hydration chemistry of these cements are being widely researched [1], due to the clay mineralogy variability, ... -
Hydration mechanisms of two polymorphs of synthetic ye'elimite
Cuesta-Garcia, Ana Maria; Álvarez-Pinazo, Gema; Sanfeliz-Garcia, Susana; Peral, Inma; García-Aranda, Miguel Ángel; Gomez-de-la-Torre, Maria de los Angeles[et al.] (Elsevier, 2014-05-26)
Ye'elimite is the main phase in calcium sulfoaluminate cements and also a key phase in sulfobelite cements. However, its hydrationmechanismis not well understood. Here we reported newdata on the hydration behavior of ... -
Hydration of Belite-Ye’elimite-Ferrite(BYF) cements with different calcium sulfate sources
Álvarez-Pinazo, Gema; Santacruz-Cruz, Maria Isabel; García-Aranda, Miguel Ángel; Gomez-de-la-Torre, Maria de los Angeles (ICE publishing, 2016-07)
Belite-Ye’elimite-Ferrite cements, BYF, are a sustainable alternative to OPC to reduce CO2 emissions. The aim of this research is to understand the influence of the sulfate source on the hydration of two laboratory-prepared ...