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Listar por autor "Da Silva, Julio C."
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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 ... -
Hydration studies of ye’elimite by using Ptychographic X-ray nano-tomography
Cuesta-García, Ana María; Da Silva, Julio C.; Díaz, Ana; Holler, Mirko; Gómez-de-la-Torre, María de los Ángeles; García-Aranda, Miguel Ángel; Trtik, Pavel[et al.] (2015-06-26)CSA (Calcium SulfoAluminate) cements may have variable compositions but all of them contain ye’elimite(Ca4Al6O12SO4). The manufacture of CSA cements is more environmentally friendly than that of ordinary Portland cements ... -
In situ hydration imaging study of a ye'elimite paste 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.; Cuesta-García, Ana María; Holler, Mirko; García-Aranda, Miguel Ángel[et al.] (2017)Eco-cements are a desirable alternative to ordinary Portland cements because of their lower CO2 footprints. For instance, the manufacture of Calcium SulfoAluminate (CSA) cements is more environmentally friendly than that ... -
Quantitative analysis of cementitious materials by X-ray ptychographic nanotomography
Shirani, Shiva; Cuesta-García, Ana María; Gómez-de-la-Torre, María de los Ángeles; Da Silva, Julio C.; Karpov, Dmitry; Díaz, Ana; Holler, Mirko; Trtik, Pavel; García-Aranda, Miguel Ángel[et al.] (2021)Cement manufacturing is responsible for ~7% of the anthropogenic CO2 emissions and hence, decreasing the CO2 footprint, in a sustainable, safe, and cost-effective way, is a top priority. It is also key to develop more ...