article·1992-01-01

Procesamiento de un gel silicoaluminoso utilizando el prensado axial como método de conformado

J. Avena, M.I. Osendi, Carmen Baudı́n, José Serafín Moya Corral

Abstract

espanolSe ha demostrado la posibilidad de obtener materiales muUiticos de alta densidad, partiendo de un gel silicoaluminoso comercial con estequiometria 3:2, utilizando como metodo de conformado el prensado uniaxial. Se ha estudiado el efecto de distintas variables: granulo-metria, efecto del vibrado, presion de conformado y aglomerante en la densidad en verde y en la densidad y mi-croestructura de las muestras cocidas. Se han fijado los parametros de procesado que conducen a la obtencion de un material de muUita libre de efectos utilizando como aglomerante la carboximetilcelulosa. EnglishThe possibility of obtaining high density muUite bodies starting from a commercial 3:2 alumina/silica gel and uniaxial pressing as a forming method has been investigated. The effect of different processing variables: gra-nulometry, mould vibration, forming pressure and agglomerant, on green and fired densities, as well as on the microstructures of the fired bodies has been studied. The parameters to obtain a free of defects muUite body using carboximetilcelulose as agglomerant have been determined.
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Research context

OpenAlex topics: Silicone and Siloxane Chemistry · Chemical and Environmental Engineering Research · Advanced ceramic materials synthesis

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