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Evaluation of the influence of glycerol in ceramic matrix

ABSTRACT

The present work evaluates the effects of the glycerol addition on the porosity and mechanical resistance of a ceramic material. Samples were compacted by uniaxial pressing and were submitted to different sintering temperatures, 950 °C and 1100° C, with a heating rate of 7 °C min-1. Physical and mechanical analysis were performed to evaluate porosity, water absorption and linear retraction. The results show that the addition of 10% of glycerol into the clay mainly improves its mechanical properties, being able to be a promising additive to generate structural materials with more resistant microstructure.

Keywords
Waste; glycerol; clay; ceramics

Laboratório de Hidrogênio, Coppe - Universidade Federal do Rio de Janeiro, em cooperação com a Associação Brasileira do Hidrogênio, ABH2 Av. Moniz Aragão, 207, 21941-594, Rio de Janeiro, RJ, Brasil, Tel: +55 (21) 3938-8791 - Rio de Janeiro - RJ - Brazil
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