
In this work three monolithic refractories with different thermal conditions -sintering have been characterized mineralogical and texturally in order to know its behaviour. The mineralogical characterization has been made by X-ray diffraction, optic microscopy and electron microprobe. The textural characterization was carried out by image analysis because, for this material type, it provides information about pores and dispersed material, the technique is not destructive and its resolution depends on the used optic. These characteristics distinguish between image process and porosimetry, routine technique used to obtain quickly the size (between 100 and 0.001 mm) and pore distribution in this material type.<br><br>En este trabajo se han caracterizado mineralógica y texturalmente tres refractarios monolíticos bajo diferentes condiciones de calentamiento -sinterización, con el objeto de conocer su evolución. La caracterización mineralógica se ha realizado con difracción de rayos X, microscopia óptica y microsonda electrónica. La caracterización textural se ha llevado a cabo mediante el análisis con proceso de imágenes porque, para este tipo de refractarios, proporciona información de los poros y del disperso, no es una técnica destructiva y se pueden procesar imágenes con una resolución superior, en función de la óptica utilizada. Estas características diferencian el análisis con proceso de imágenes del porosímetro, técnica rutinaria muy utilizada para obtener de forma rápida el tamaño (entre 100 y 0.001 μm) y distribución de los poros en este tipo de materiales.
X ray diffraction, Clay industries. Ceramics. Glass, difracción de rayos X, TP785-869, Monolithic refractories, image analysis, electron microprobe, microscopia óptica, proceso de imágenes, optic microscopy, microsonda electrónica, Refractarios monolíticos
X ray diffraction, Clay industries. Ceramics. Glass, difracción de rayos X, TP785-869, Monolithic refractories, image analysis, electron microprobe, microscopia óptica, proceso de imágenes, optic microscopy, microsonda electrónica, Refractarios monolíticos
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