Please use this identifier to cite or link to this item: https://repositorio.ufrn.br/handle/123456789/31733
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dc.contributor.authorAnjos, Marcos Alyssandro Soares dos-
dc.contributor.authorMartinelli, Antonio Eduardo-
dc.contributor.authorMelo, Dulce Maria de Araújo-
dc.date.accessioned2021-03-08T17:14:05Z-
dc.date.available2021-03-08T17:14:05Z-
dc.date.issued2011-11-25-
dc.identifier.citationANJOS, Marcos A.S. ; MARTINELLI, Antonio E. ; MELO, Dulce M.A. . Effect of sugarcane biomass waste in cement slurries submitted to high temperature and pressure. Materials Science & Engineering. A, Structural Materials: properties, microstructure and processing, v. 529, p. 49-54, 2011. Disponível em: https://www.sciencedirect.com/science/article/abs/pii/S0921509311009506?via%3Dihub Acesso em: 16 nov. 2020. https://doi.org/10.1016/j.msea.2011.08.056.pt_BR
dc.identifier.issn0921-5093-
dc.identifier.urihttps://repositorio.ufrn.br/handle/123456789/31733-
dc.languageenpt_BR
dc.publisherElsevierpt_BR
dc.rightsAttribution 3.0 Brazil*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/br/*
dc.subjectSugarcane biomass wastept_BR
dc.subjectPortland cementpt_BR
dc.subjectHigh temperature high pressure curingpt_BR
dc.subjectHydration productspt_BR
dc.subjectX-ray diffractionpt_BR
dc.titleEffect of sugarcane biomass waste in cement slurries submitted to high temperature and pressurept_BR
dc.typearticlept_BR
dc.identifier.doi10.1016/j.msea.2011.08.056-
dc.description.resumoCementitious materials are subjected to changes in their microstructure and mechanical behavior when submitted to high service temperatures. In the oil industry, Portland-based slurries are used where conditions imply high temperatures and high pressures, e.g., steam injection or recovery of heavy oils. The present study investigated the hydration behavior and mechanical strength of cement slurries containing sugarcane biomass waste or silica flour, submitted to high temperature and pressure cycles using a curing chamber. The slurries were initially cured for 28 days at 22 ◦C. After that, they were placed in a curing chamber for 3 days at 280 ◦C and 17.6 MPa. The results showed a decrease in the compressive strength of the slurries submitted to high temperature high pressure. The decrease in strength was less marked in the slurry containing 40% of sugarcane biomass waste, as a consequence of the formation of silica-rich phases, i.e., xonotlite and tobermorite. When the slurries were placed in the curing chamber at 280 ◦C and 6.9 MPa for 7 days (after initial curing for 14 days at 38 ◦C), the slurry containing 59% sugarcane biomass waste showed an increase in compressive strength, contrary to what was observed for all the other slurries testedpt_BR
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