Preparation of mullite based ceramics from clay–kaolin waste mixtures
| dc.contributor.author | Alves, Hugo Plínio de Andrade | |
| dc.contributor.author | Silva, Jaquelígia Brito da | |
| dc.contributor.author | Campos, Lizsandra Fernanda Araújo | |
| dc.contributor.author | Torres, Sandro Marden | |
| dc.contributor.author | Dutra, Ricardo Peixoto Suassuna | |
| dc.contributor.author | Macedo, Daniel Araújo de | |
| dc.date.accessioned | 2020-10-22T19:04:22Z | |
| dc.date.available | 2020-10-22T19:04:22Z | |
| dc.date.issued | 2016-12 | |
| dc.description.resumo | Mullite based ceramics were prepared by reaction sintering of mixtures containing kaolin clay and kaolin waste. Phase composition, apparent density, apparent porosity, and modulus of rupture were investigated as a function of sintering temperature and kaolin waste content (varied from zero to 50 wt%). The sintering shrinkage behavior was monitored by dilatometry. The results showed that samples derived from formulations containing kaolin waste were composed of acicular mullite and glass phases at 1500 °C. Ceramic bodies prepared with kaolin waste (25 or 50 wt%) showed better physico-mechanical properties (for sintering up to 1400 °C) than the ones of pure kaolin clay. The evidence seems to suggest that this behavior can be due to a liquid phase assisted sintering mechanism associated with a content of mica ranging from 13.3 to 22.4 wt% | pt_BR |
| dc.identifier.citation | ALVES, H.P.A.; SILVA, J.B.; CAMPOS, L. F.A.; TORRES, S. M.; DUTRA, R. P. S.; MACEDO, D. A.. Preparation of mullite based ceramics from clay-kaolin waste mixtures. Ceramics International, v. 42, p. 19086-19090, 2016. Disponível em: https://www.sciencedirect.com/science/article/pii/S0272884216316005. Acesso em: 12 out. 2020. https://doi.org/10.1016/j.ceramint.2016.09.068 | pt_BR |
| dc.identifier.doi | 10.1016/j.ceramint.2016.09.068 | |
| dc.identifier.issn | 0272-8842 | |
| dc.identifier.uri | https://repositorio.ufrn.br/handle/123456789/30484 | |
| dc.language | en | pt_BR |
| dc.publisher | Elsevier | pt_BR |
| dc.subject | Powders: solid state reaction | pt_BR |
| dc.subject | Sintering | pt_BR |
| dc.subject | Mullite | pt_BR |
| dc.subject | Kaolin waste | pt_BR |
| dc.title | Preparation of mullite based ceramics from clay–kaolin waste mixtures | pt_BR |
| dc.type | article | pt_BR |
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