Microstructural Characterization of Clay-Based Ceramics with the Addition of Granite Residues

Abstract:

Million tons of ornamental stones residues are produced every year. Most of this residue is disposed without any kind of processing or treatment. Moreover, disposal occurs without a prospective of reuse or recycling. The incorporation into ceramics is a possible alternative for part of this residue. Clay-based ceramics have high capacity of incorporation of industrial residues. This work aimed to conduct a microstructural characterization of clay-based ceramics with incorporation of granite residues in the composition of the ceramic matrix. Specimens were produced with the addition of 0, 10, 20 and 30 wt. % of granite residues. The specimens were prepared by uniaxial pressing and sintered at temperatures of 1050 and 1200°C. For the microstructural analysis were carried out by scanning electron microscopy and X-ray diffraction. The results indicated that the incorporated ceramics sintered at 1200oC presented higher densification and lower porosity as compared with those sintered at 1050oC.

• Periodical: Materials Science Forum (Volume 958)
• Pages: 123-128
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.958.123
• Online since: June 2019
• Authors: Monica Castoldi Borlini Gadioli*, Mariane de Aguiar, Carlos Maurício Fontes Vieira, Fabio da Costa Garcia Filho, Sergio Neves Monteiro
• Keywords: Ceramic Clay, Granite Residues, Microstructural Characterization

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