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    Listar por autor "Gómez-de-la-Torre, María de los Ángeles"

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      • Accuracy in Rietveld quantitative phase analysis: a comparative study of strictly monochromatic Mo and Cu radiations 

        León-Reina, Laura; García-Maté, Marta; Álvarez-Pinazo, Gema; Santacruz-Cruz, María IsabelAutoridad Universidad de Málaga; Vallcorba, Oriol; Gómez-de-la-Torre, María de los ÁngelesAutoridad Universidad de Málaga; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga[et al.] (Willey online Library, 2016)
        This study reports 78 Rietveld quantitative phase analyses using Cu K 1, Mo K 1 and synchrotron radiations. Synchrotron powder diffraction has been used to validate the most challenging analyses. From the results for ...
      • Activation of LC3 binders by C-S-H nucleation seeding with a new tailored admixture for low-carbon cements. 

        Cuesta-García, Ana María; Morales-Cantero, Alejandro; Gómez-de-la-Torre, María de los ÁngelesAutoridad Universidad de Málaga; Santacruz-Cruz, María IsabelAutoridad Universidad de Málaga; Mazanec, Oliver; Dalla-Libera, Alessandro; Dhers, Sebastien; Schwesig, Peter; Borralleras, Pere; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga[et al.] (Ernst & Sohn GmbH, 2023-12-06)
        The use of supplementary cementitious materials is currently the most favorable strategy for reducing CO2 emissions in cements. Limestone Calcined Clay Cements, LC3, are a type of cement that allows the reduction of CO2 ...
      • Activation of LC3 binders by C-S-H nucleation seeding with a new tailored admixture for low-carbon cements. 

        Cuesta-García, Ana María; Morales-Cantero, Alejandro; Gómez-de-la-Torre, María de los ÁngelesAutoridad Universidad de Málaga; Santacruz-Cruz, María IsabelAutoridad Universidad de Málaga; Manzanec, Oliver; Dalla-Libera, Alessandro; Dhers, Sebastien; Schwesig, Peter; Borralleras, Pere; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga[et al.] (2023)
        The use of supplementary cementitious materials is currently the most favorable strategy for reducing CO2 emissions in cements. Limestone Calcined Clay Cements, LC3, are a type of cement that allows the reduction of CO2 ...
      • Activation of LC3 low-carbon cements by C-S-H seeding. 

        Morales-Cantero, Alejandro; Gómez-de-la-Torre, María de los ÁngelesAutoridad Universidad de Málaga; Cuesta-García, Ana María; Santacruz-Cruz, María IsabelAutoridad Universidad de Málaga; Mazanec, Oliver; Dalla-Libera, Alessandro; Dhers, Sebastien; Schwesig, Peter; Borralleras, Pere; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga[et al.] (2023)
        Portland-based Limestone Calcined Clay Cements (LC3) are attracting a lot of the attention from scholars and field applications due to the reduction in CO2 emissions. However, their low mechanical strengths at early ages ...
      • Active Sulpho-belite cements. Hydration mechanisms and mechanical properties 

        Álvarez-Pinazo, Gema (Servicio de Publicaciones y Divulgación Científica, 2015)
        The threat of climate change is considered one of the major environmental challenges for our society, where carbon dioxide (CO2) is one of the main Greenhouse gases (GHGs). Every ton of ordinary Portland cement (OPC) ...
      • Advanced 3D nanoimaging of cement paste hydration using synchrotron Xray ptychographic tomography 

        Shirani, Shiva; Cuesta, Ana; Santacruz-Cruz, María IsabelAutoridad Universidad de Málaga; Gómez-de-la-Torre, María de los ÁngelesAutoridad Universidad de Málaga; Diaz, Ana; Trtik, Pavel; Holler, Mirko; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga[et al.] (2024-06-25)
        Hydration of Portland cements (PC) is a complex phenomenon caused by the presence of multiple components with multi-length scale variability. To investigate this complicated process, state-of-theart 3D nanoimaging ...
      • Advanced synchrotron studies of ye'elimite-based cement pastes 

        García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga; Cuesta-García, Ana María; Gómez-de-la-Torre, María de los ÁngelesAutoridad Universidad de Málaga; Santacruz-Cruz, María IsabelAutoridad Universidad de Málaga (2018-07-18)
        Synchrotron characterization techniques [1] are being used to study Portland-based cements and recently also CSA and related cements. A key property of these techniques is that they do not require sample preparation, so ...
      • Alite hydration mechanism in presence of ye’elimite related to BAY cements 

        Londono-Zuluaga, Diana; Tobón, Jorge Iván; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga; Santacruz-Cruz, María IsabelAutoridad Universidad de Málaga; Gómez-de-la-Torre, María de los ÁngelesAutoridad Universidad de Málaga (2019-10-08)
        One alternative to decrease CO2 emissions from ordinary Portland Cement (OPC) production consists on the development of a new kind of eco-cements composed by less calcite demanding phases. That is the case of ...
      • Alite-belite-ye'elimite cements: Effect of dopants on the clinker phase composition and properties 

        Zea-Garcia, Jesus D.; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga; Gómez-de-la-Torre, María de los ÁngelesAutoridad Universidad de Málaga; Santacruz-Cruz, María IsabelAutoridad Universidad de Málaga (2018-10-30)
        Clinkers with alite-belite-ye'elimite (ABY) are considered as eco-friendly cements. Clinkering (2 Kg) of two types of ABY clinkers was optimized: standard-ABY, with CaF2 and ZnO as dopants (32.6 wt% alite, 30.4 wt% β-C2S ...
      • Alternative non-Portland binders 

        Hanein, Theodore; Gómez-de-la-Torre, María de los ÁngelesAutoridad Universidad de Málaga; Zhang, Zuhua; Provis, John L. (Mineralogical Society of America, 2022)
        A background on non-Portland cementitious binders is presented, followed by a review of the key alternative binders that are currently of interest. The mineralogy of these cements is described, along with phases present ...
      • Aluminum Hydroxide Gel Characterization within a Calcium Aluminate Cement Paste by Combined Pair Distribution Function and Rietveld Analyses 

        Cuesta-García, Ana María; Ichikawa, Rodrigo U.; Londono-Zuluaga, Diana; Gómez-de-la-Torre, María de los ÁngelesAutoridad Universidad de Málaga; Santacruz-Cruz, María IsabelAutoridad Universidad de Málaga; Turrillas, Xavier; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga[et al.] (Elsevier, 2017-06)
        There are many commercially important multiphase materials which contain amorphous phases, such as cement pastes, porcelains, glass-ceramics or pharmaceutical compounds. However, the analysis of amorphous phase(s) within ...
      • Aluminum-rich belite sulfoaluminate cements: clinkering and early age hydration 

        Martín-Sedeño, M. Carmen; Cuberos, Antonio J.M.; Gómez-de-la-Torre, María de los ÁngelesAutoridad Universidad de Málaga; Álvarez-Pinazo, Gema; Ordónez, Luis M.; Gateshki, Milen; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga[et al.] (Elsevier, 2009)
        Belite sulfoaluminate (BSA) cements have been proposed as environmentally friendly building materials, as their production may release up to 35% less CO2 into the atmosphere when compared to ordinary Portland cements. ...
      • Amorphous determination in calcium sulfoaluminate materials by external and internal methods 

        García-Maté, Marta; Santacruz-Cruz, María IsabelAutoridad Universidad de Málaga; Cuesta-García, Ana María; León-Reina, Laura; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga; Baco, Isabelle; Morin, Vincent; Walenta, Günther; Gartner, Ellis; Gómez-de-la-Torre, María de los ÁngelesAutoridad Universidad de Málaga[et al.] (ICE Publishing, 2014)
        External standard methodology has been successfully applied to quantify the known amounts of amorphous component that are increasingly added to cement-related materials. The consistency and accuracy of the methodology were ...
      • ANALYSIS OF BUILDING MATERIALS BY SYNCHROTRON X-RAY IMAGING 

        Shirani, Shiva; Cuesta-García, Ana María; Morales-Cantero, Alejandro; Gómez-de-la-Torre, María de los ÁngelesAutoridad Universidad de Málaga; Santacruz-Cruz, María IsabelAutoridad Universidad de Málaga; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga[et al.] (-, 2021-01)
        Building materials have complex hierarchical microstructures. The largest components are coarse aggregates with dimensions larger than a few centimetres and the smallest ones are the calcium silicate hydrate (C-S-H) gel ...
      • Applications of synchrotron x-ray powder diffraction in hydrated cements: high-resolution and high-pressure studies 

        Cuesta-García, Ana María; Gómez-de-la-Torre, María de los ÁngelesAutoridad Universidad de Málaga; Santacruz-Cruz, María IsabelAutoridad Universidad de Málaga; Popescu, Catalin; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga (2016-07-12)
        The main aim of this study is to apply synchrotron radiation techniques for the study of hydrated cement pastes. In particular, the tetracalcium aluminoferrite phase, C4AF in cement nomenclature, is the major iron-containing ...
      • Assessment of the quantitative accuracy of Rietveld/XRD analysis of crystalline and amorphous phases in fly ash 

        Zhao, Piqi; Liu, Xianping; Gómez-de-la-Torre, María de los ÁngelesAutoridad Universidad de Málaga; Lu, Lingchao; Sobolev, Konstantin (2017)
        An internal standard method based on Rietveld/XRD whole-pattern fitting analysis of fly ash is used to assess the quantitative accuracy to determine its crystalline and amorphous phases under various conditions such as ...
      • Behavior of Belite cement blended with Calcium sulfoaluminate cement: an Ecocement 

        Londono-Zuluaga, Diana; Pineda, Juan Manuel; Gómez-de-la-Torre, María de los ÁngelesAutoridad Universidad de Málaga (2019-09-26)
        Belite Portland Cements (BPC) and calcium sulfoaluminate cements (CSA) are considered as environmentally friendly cements due to their lower CO2 emissions. These ecocements (BPC and CSA) emit about 0.03 and 0.18 less tons ...
      • Belite calcium sulfoaluminate cement early hydration: citric acid sensitivity. 

        Koufany, Imane; Santacruz-Cruz, María IsabelAutoridad Universidad de Málaga; Bescher, Eric P.; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga; Gómez-de-la-Torre, María de los ÁngelesAutoridad Universidad de Málaga (2023)
        Three buckets, corresponding to three selected samples, of the same type of belite calcium sulfoaluminate (BCSA) cements have been studied. These cements show very similar elemental and mineralogical compositions, and ...
      • Belite hydration at high temperature and pressure by in situ synchrotron powder diffraction 

        Morales-Cantero, Alejandro; Gómez-de-la-Torre, María de los ÁngelesAutoridad Universidad de Málaga; Cuesta-García, Ana María; Fraga-López, Edmundo; Shirani, Shiva; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga[et al.] (2020-10-16)
        Portland cements are currently used as Oil‐Well‐Cements for the sheath between the metal casing and the borehole. At high pressures and temperatures, the resulting C-S-H gel(s) is partly unstable and it can react to give ...
      • Bentonite-based LC3 low carbon cement and activation by C-S-H nucleation seeding 

        Vallina, Diego; Rodríguez-Ruiz, María DoloresAutoridad Universidad de Málaga; Morales-Cantero, Alejandro; Cuesta, Ana; Santacruz-Cruz, María IsabelAutoridad Universidad de Málaga; Dalla-Libera, Alessandro; Borralleras, Pere; Dhers, Sébastien; Schwesig, Peter; Mazanec, Oliver; García-Aranda, Miguel ÁngelAutoridad Universidad de Málaga; Gómez-de-la-Torre, María de los ÁngelesAutoridad Universidad de Málaga[et al.] (Elsevier, 2025-03-31)
        This study explores the feasibility of using calcined bentonitic clays in LC3-50 binders. Four commercially available bentonite rocks were thermally activated and milled to a Dv,50 of 12 ± 2 μm. Their pozzolanic activities ...
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
         

         

        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA