article·1970-01-01

Dilatometría de arcillas refractarias argentinas

Angel R. Rossini, Luis A. Mennucci, Roberto Figueras

Abstract

espanolEl comportamiento dilatometrico de algunas arcillas refractarias argentinas fue determinado, con el fin de establecer la especie mineralogica predominante y las impurezas que la acompanan (cuarzo, muscovita-illita y mont-morillonita). Los dilatogramas obtenidos muestran las zonas de temperatura donde ocurren cambios volumetricos entre temperatura ambiente y 1.500^ C. La interpretacion de los mismos permite programar curvas optimas de cochura de arcillas o de sus mezclas, con el objeto de obtener chamote o refractarios silico-aluminosos bien densificados. EnglishThe dilatometric behaviour of some argentini refractory clays weis determined in order to identify the prevailing mineralogical species as well as impurities (quartz, muscovite-illite and montmorillonite). The dilatometric curves found in experiments perfomed between room temperature and 1.500° C, show temperature ranges within volumetric changes takes place. The interpretation of those dilatograms enables programming optimum fire curves far clays or their mixtures in order to obtain well den-sified chamote or silico-aluminous refractaries.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Clay minerals and soil interactions · Geotechnical and construction materials studies · Soil and Unsaturated Flow

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