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https://repositorio.inpa.gov.br/handle/1/17188
Title: | Potassium-Based Geopolymer Composites Reinforced with Chopped Bamboo Fibers |
Authors: | Sankar, Kaushik Ribeiro, Ruy A. Sá Sá Ribeiro, Marilene G. Kriven, Waltraud M. Colombo, Paolo |
Keywords: | Bamboo Bending Strength Composite Materials Fibers Geopolymers Inorganic Polymers Kaolinite Potassium Reinforcement Microscopy, Electron, Scanning X-ray Diffraction Amazon Region Astm Standards Bamboo Fibers Geopolymer Composites Natural Materials Potassium Polysialate Specific Strength Sustainable Construction Reinforced Plastics |
Issue Date: | 2017 |
metadata.dc.publisher.journal: | Journal of the American Ceramic Society |
metadata.dc.relation.ispartof: | Volume 100, Número 1, Pags. 49-55 |
Abstract: | Bamboo is a fast-growing, readily available natural material with tensile specific strength equivalent to that of steel (250–625 MPa/g/cm3). In the pursuit of sustainable construction materials, a composite was made with potassium polysialate siloxo geopolymer as the matrix and randomly oriented chopped bamboo fibers (Guadua angustifolia) from the Amazon region as the reinforcement. Four-point flexural strength testing of the geopolymer composite reinforced with bamboo fibers was carried out according to ASTM standard C78/C78M-10e1. Potassium-based metakaolin geopolymer reinforced with 5 wt% (8 vol%) untreated bamboo fibers yielded 7.5 MPa four-point flexural strength. Scanning electron microscopy and optical microscopy were used to investigate the microstructure. In addition, X-ray diffraction was used to confirm the formation of geopolymer. © 2016 The American Ceramic Society |
metadata.dc.identifier.doi: | 10.1111/jace.14542 |
Appears in Collections: | Artigos |
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