Influence of the Sand Addition on the Processing, Properties and Microstructure of Red Ceramic

Author:

Vieira Carlos Maurício Fontes1,Queiroz Luiz Fernando Teixeira1,Monteiro Sérgio Neves2

Affiliation:

1. State University of North Fluminense - UENF

2. Universidade Estadual do Norte Fluminense

Abstract

This work has as its objective to add sand, up to 25 wt.%, to a clayey ceramic body used for roofing tiles fabrication. Specimens were prepared by extrusion and fired at 850oC. The evaluated properties were: plasticity, water absorption and flexural rupture strength. The microstructure of the fired ceramic was evaluated by scanning electron microscopy. The results indicated that the sand improved the evaluated properties of the ceramic as well as its processing. The microstructure of the ceramic presented a minor amount of porosity as a function of the sand addition.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Reference12 articles.

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2. S. Pracidelli and F.G. Melchiades: Cerâmica Industrial Vol. 2 (1997), p.31.

3. A.P.N. Oliveira, O.R.K. Montedo, J. Pizete and M. Casagrande: Cerâmica Informação n. 10 (2000), p.57.

4. G.P. Emiliani and F. Corbara: Tecnología Cerámica – La Lavorazione (Gruppo Editoriale Faenza Editrice, Castellón 1999).

5. Associação Brasileira de Normas Técnicas - ABNT, Determinação da Análise Granulométrica de Solos. NBR – 7181, (1984).

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