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Calcium sulfoaluminate composites incorporating microencapsulated phase change materials for thermal energy storage in buildings
García Sanfélix, Susana (UMA Editorial, 2021-06-18)This thesis focuses on investigating the development of new calcium sulfoaluminate cement composite incorporating microencapsulated phase change materials (MPCMs).Calcium sulfoaluminate cements are a type of more sustainable ... -
Cementos de arcillas calcinadas y caliza preparados en la Universidad de Málaga
Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; Cuesta-García, Ana María; Bernal, Isabel M.R.; Redondo-Soto, Cinthya; Morales-Cantero, Alejandro; Shirani, Shiva; Pérez-Bravo, Raquel; Franco-Duro, Francisco Ignacio; García-Maté, Marta; Salcedo, Inés R.; León-Reina, Laura; García-Aranda, Miguel Ángel[et al.] (2022)Adjuto documento -
Chemistry and Mass Density of Aluminum Hydroxide Gel in Eco-Cements by Ptychographic X-ray Computed Tomography
Cuesta-García, Ana María; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; Trtik, Pavel; Da Silva, Julio C.; Díaz, Ana; Holler, Mirko; García-Aranda, Miguel Ángel[et al.] (ACS, 2017)Eco-cements are a desirable alternative to ordinary Portland cements because of their lower CO2 footprints. Some ye’elimite-based ecocements are attracting a lot of interest. Understanding the reasons for the mechanical ... -
Clinkering and early age hydration characterization of Belite-Alite Calcium Sulfoaluminate (BACSA) cements
Londono-Zuluaga, Diana; Álvarez-Pinazo, Gema; Tobón, Jorge Iván; García-Aranda, Miguel Ángel; Santacruz-Cruz, María Isabel; Gómez-de-la-Torre, María de los Ángeles[et al.] (2015-10-26)In this work, four BACSA clinkers with different compositions (belite ~ 70-55 wt %, alite ~ 10-15 wt % and ye’elimite ~ 10-15 wt %) were synthesized (at laboratory scale). Lime, gypsum, kaolin and sand were used as raw ... -
Clinkering and hydration of belite-ye'elimite-alite cement
Londono-Zuluaga, Diana; Tobón, Jorge Iván; García-Aranda, Miguel Ángel; Santacruz-Cruz, María Isabel; Gómez-de-la-Torre, María de los Ángeles (Elsevier, 2017)Some belite-ye´elimite-ferrite (BYF) cements present low mechanical strengths mainly due to the slow reactivity of belite. A solution to this problem may be the activation of BYF clinkers by preparing them with a coexistence ... -
Clinkering and hydration study of non-active and active Belite-Alite-Ye'elimite (BAY) cements
Zea-Garcia, Jesus D.; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel (2017-10-17)The manufacturing process of ye'elimite rich cements emit about 15-37% less CO2 to the atmosphere than OPC. Cements that contain belite, ye’elimite and ferrite, known as BYF cements, are promising eco-friendly binders. ... -
Clinkering of calcium sulfoaluminate clinkers: polymorphism of ye'elimite
Gómez-de-la-Torre, María de los Ángeles; García-Aranda, Miguel Ángel; Santacruz-Cruz, María Isabel; Cuesta-García, Ana María; 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 ... -
Clinkering, processing and characterisation of Alite-Belite-Ye’elimite eco-cements: from basic to applied science
Zea-Garcia, Jesus D. (UMA Editorial, 2020-09-11)An eco-friendly industrial production is essential to protect our environment. The synthesis process of PC generates greenhouse gas emissions. Because of that, the cement industry is under increasing scrutiny to reduce CO2 ... -
Combined use of laboratory X-ray diffraction and microtomography in early age cement hydration.
Cuesta-García, Ana María; Shirani, Shiva; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; Morales-Cantero, Alejandro; Koufany, Imane; Redondo-Soto, Cinthya; Ruiz Salcedo, Inés; León-Reina, Laura; García-Aranda, Miguel Ángel[et al.] (2023)In situ laboratory X-ray powder diffraction (LXRPD) is widely used for studying cement hydration at early ages. However, this approach has limitations due to the intrinsic characteristics of the main methodologies (flat ... -
Combined use of X-ray diffraction and microtomography for accurate cement hydration studies.
García-Aranda, Miguel Ángel; Cuesta-García, Ana María; Shirani, Shiva; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; Morales-Cantero, Alejandro; Koufany, Imane; Redondo-Soto, Cinthya; Ruiz Salcedo, Inés; León-Reina, Laura[et al.] (2023)Ver fichero adjunto que contiene toda la información incluyendo imagenes -
A comparative study of experimental configurations in synchrotron pair distribution function
Zea-Garcia, Jesus D.; Gómez-de-la-Torre, María de los Ángeles; García-Aranda, Miguel Ángel; Cuesta-García, Ana María (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 ... -
Design and optimisation of new formulations of Belite-Alite Calcium Sulfoaluminate (BACSA) eco-cements
Londono-Zuluaga, Diana; Santacruz-Cruz, María Isabel; Tobón, Jorge Iván; García-Aranda, Miguel Ángel; Gómez-de-la-Torre, María de los Ángeles (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 ... -
Difficulty of Chemistry concepts. How to make easy the learning. Gamification
López Guerrero, María del Mar; Santacruz-Cruz, María Isabel; Infantes-Molina, Antonia; Bertolo Pardo, María Emilia; Bentabol-Manzanares, María José; Gómez-de-la-Torre, María de los Ángeles; Vereda-Alonso, Elisa Isabel; Moreno-Oliva, María; Moreno-Tost, Ramón; González Rodríguez, José[et al.] (2022)Chemistry is considered highly complex by students. To achieve meaningful learning, it is necessary to show its usefulness in daily life, in the development of a country and a society. Learning will be significant when the ... -
Difracción de rayos-x (DRX) y cementos: desde la investigación hasta el control de calidad
García-Maté, Marta; Gómez-de-la-Torre, María de los Ángeles; 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 ... -
Dispersion and optimization of a calcium sulfoaluminate mortar prepared with superplasticizer
Canto-González, David; Zea-Garcia, Jesus D.; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel (2016-06-29)Calcium sulfoaluminate (CSA) cements/mortars are receiving increasing attention since their manufacture produces less CO2 than ordinary Portland cement (OPC) (up to 22% of decrease depending on its composition). These ... -
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, María Isabel; Gómez-de-la-Torre, María de los Ángeles (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-García, Ana María; García-Aranda, Miguel Ángel; Santacruz-Cruz, María Isabel; Gómez-de-la-Torre, María de los Ángeles[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-García, Ana María; Gómez-de-la-Torre, María de los Ángeles; García-Aranda, Miguel Ángel; Vallcorba, Oriol; Santacruz-Cruz, María 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, María Isabel; Gómez-de-la-Torre, María de los Ángeles; 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 ... -
Eco-cements containing Belite, Alite and Ye’elimite. Hydration and mechanical properties.
Londono-Zuluaga, Diana (UMA Editorial, 2018)Cement industry is one of the major contributors for greenhouse gases emissions, releasing about one ton of carbon dioxide per ton of ordinary portland cement (OPC) fabricated. For these reasons, there is a growing interest ...