Uso de marlo de maíz como generador de porosidad controlada en cerámicos

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Fecha
02/2023
Editorial
Universidad Tecnológica Nacional
Revista
Revista Tecnología y Ciencia
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ISSN
1666-6933
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Español
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El objetivo de este trabajo es analizar la utilización de marlos de maíz, como material formador de poros en la fabricación de materiales cerámicos alivianados. Las materias primas,marlo molido y arcilla, fueron exhaustivamente caracterizadas. Los productos cerámicosestudiados se fabricaron a partir de arcilla comercial con el agregado de 5%, 10% y 15% envolumen de marlos, y una muestra sin biomasa adicionada a modo de referencia. Todas lasmezclas con 8% de humedad se conformaron a 25MPa. Posteriormente se cocinaron a 950°Cdurante 3 horas. Los resultados obtenidos reflejan una alta factibilidad de utilización de estabiomasa para el uso estudiado. Los ladrillos cerámicos obtenidos poseen buenas características generales, con propiedades mecánicas que cumplen con los requerimientos del mercado. Además, se observó que la porosidad obtenida se relaciona con el tamaño y forma delas partículas de la biomasa utilizada, así como con la proporción agregada.
The objective of this work is to analyze the use of corncob as a pore-forming material in the manufacture of lightweight ceramic materials. The raw materials, corncob and clay, were exhaustively characterized. The ceramic products studied were manufactured from commercial clay with the addition of 5%, 10% and 15% by volume of corncob, and a sample without biomass added as a reference. All mixtures with 8% humidity were formed at 25MPa. Subsequently, they were sintered at 950°C for 3 hours. The results obtained reflect a high feasibility of using this biomass for the studied use. The obtained ceramic bricks have good general characteristics, with mechanical properties that meet the market requirements. In addition, it was observed that the obtained porosity is related to the size and shape of the particles of the used biomass, as well as the proportion of aggregates.
The objective of this work is to analyze the use of corncob as a pore-forming material in the manufacture of lightweight ceramic materials. The raw materials, corncob and clay, were exhaustively characterized. The ceramic products studied were manufactured from commercial clay with the addition of 5%, 10% and 15% by volume of corncob, and a sample without biomass added as a reference. All mixtures with 8% humidity were formed at 25MPa. Subsequently, they were sintered at 950°C for 3 hours. The results obtained reflect a high feasibility of using this biomass for the studied use. The obtained ceramic bricks have good general characteristics, with mechanical properties that meet the market requirements. In addition, it was observed that the obtained porosity is related to the size and shape of the particles of the used biomass, as well as the proportion of aggregates.
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