Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/19042
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Título : Sintering behaviour of steatite materials with barium carbonate flux
Autor : Vela, E., Peiteado, M., García, F., Caballero Cuesta, Amador, Fernández Lozano, José Francisco
Palabras clave : Sintering
Microstructure-final
Fecha de publicación : 2007
Editor: Elsevier
Citación : Ceramics International 33 (2007) 1325–1329
Resumen: Steatite porcelains show excellent properties for insulating applications. New applications as small insulators for halogen bulbs lighting for instance, place increasing demands on material performance. The purpose of this work is to study the sintering behaviour and microstructural development of steatite ceramics formulated with BaCO3 flux. Both constant heating rate and isothermal sintering experiments together with microstructure characterization have revealed important differences related to the presence of BaCO3 and different amounts of clay. Increasing the amount of clay leads to higher vitreous/crystalline phase ratios but also to smaller grain sizes. This result is interesting because of the relevant role played by the grain size for the protoenstatite to clinoenstatite transformation, which in turns is the origin of material aging and degradation.
Versión del editor: doi:10.1016/j.ceramint.2006.04.015
URI : http://hdl.handle.net/10261/19042
DOI: 10.1016/j.ceramint.2006.04.015
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