Ceramic behaviour of five Chilean clays which can be used in the manufacture of ceramic tile bodies
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Otros documentos de la autoría: Meseguer Costa, Sergio; Pardo Fabregat, Francisco; Jordán Vidal, Manuel Miguel; Sanfeliu Montolio, Teófilo; González, Irma
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Mostrar el registro completo del ítemcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/2508
comunitat-uji-handle3:10234/6999
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http://dx.doi.org/10.1016/j.clay.2009.11.056 |
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Título
Ceramic behaviour of five Chilean clays which can be used in the manufacture of ceramic tile bodiesAutoría
Fecha de publicación
2010Editor
ElsevierISSN
1691317Cita bibliográfica
Applied Clay Science, 47, 04-mar, p. 372-377Tipo de documento
info:eu-repo/semantics/articlePalabras clave / Materias
Resumen
This study is focussed on the behaviour of ceramic clays from Chile which has an important local ceramic industry. Five deposits of clays with industrial application have been studied. The clays come from San Vicente ... [+]
This study is focussed on the behaviour of ceramic clays from Chile which has an important local ceramic industry. Five deposits of clays with industrial application have been studied. The clays come from San Vicente de Tagua-Tagua (SVTT), Litueche (L), Las Compañías - Río Elqui (LC), La Herradura - Coquimbo (LH) and Monte Patria - Coquimbo (MP). The chemical and mineralogical compositions of clays were determined by X-ray fluorescence (XRD) and X-ray diffraction (XRD), respectively. Also, the plasticity index (PI) was measured for each sample. The chemical and mineralogical compositions of samples differ considerably. Test samples have been prepared by pressing and firing in the range of 800-1150 °C. Linear contraction (LC), water absorption capacity (WAC) and thermodilatometric analysis (TDA) were done in order to characterize clays after firing. A considerable decrease in the WAC coinciding with the beginning of vitrification, is observed between 1050 and 1100 °C. At 1150 °C the porosity of the tile bodies decreases significantly and the tile bodies became earthenware. All studied clays seem to be easily adaptable to a correct dry pressing ceramic process. In particular, illite-kaolinite-rich samples show the best behaviour. Samples SVTT are suitable for the production of fast firing vitreous pieces. L samples present the highest refractory behaviour. © 2009 Elsevier B.V. All rights reserved. [-]
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