Use este identificador para citar ou linkar para este item: https://repositorio.inpa.gov.br/handle/1/20029
Título: Mixed alkali regional metakaolin-based geopolymer
Autor: Ribeiro, Ruy A. Sá
Sá Ribeiro, Marilene G.
Sankar, Kaushik
Kutyla, Gregory P.
Kriven, Waltraud M.
Palavras-chave: Astm Standards
Ceramic Materials
Clay
Compressive Strength
Inorganic Polymers
Kaolinite
Microscopy, Electron, Scanning
Strategic Materials
X Ray Diffraction Analysis
Amorphous Metakaolin
Crystalline Quartz
Four-point
Metakaolins
Mixed Alkali
Natural Materials
Si/al Ratio
Sustainable Construction
Geopolymers
Data do documento: 2017
Editor: Ceramic Engineering and Science Proceedings
É parte de: Volume 37, Número 7, Pags. 123-133
Abstract: In pursuit of sustainable construction, regional natural materials can be used as a base for geopolymer processing. For higher strength achievement, this study uses mixed potassium-sodium geopolymer. Geopolymer was synthesized using metakaolin produced from kaolinite extracted from Amazonian soil, and microscopically compared to a commercial, highly reactive, metakaolin-based geopolymer. Amazonian kaolin was converted into metakaolin by calcination up to 700 °C. X-ray diffraction (XRD) analysis showed the resulting amorphous metakaolin to be 76% pure, with 24% crystalline quartz impurity. Four-point flexural and compressive strength testings of the geopolymer were carried out according to ASTM standards. Scanning electron microscopy was used to investigate the microstructure and the Si/Al ratio. In addition, XRD was used to confirm the formation of geopolymer. © 2017 by The American Ceramic Society.
DOI: 10.1002/9781119321811.ch12
Aparece nas coleções:Trabalhos Apresentados em Evento

Arquivos associados a este item:
Não existem arquivos associados a este item.


Os itens no repositório estão protegidos por copyright, com todos os direitos reservados, salvo quando é indicado o contrário.