Porous Media of LZSA Glass-Ceramic for Burner Applications

Jefferson Jean do Rosário; Rafael Paiotti Marcondes Guimarães; Mirella Alves Leite; Antonio Pedro Novaes de Oliveira; Márcio Celso Fredel

doi:10.4028/www.scientific.net/MSF.727-728.686

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HomeMaterials Science ForumMaterials Science Forum Vols. 727-728Porous Media of LZSA Glass-Ceramic for Burner...

Porous Media of LZSA Glass-Ceramic for Burner Applications

Abstract:

A LZSA (Li₂O-ZrO₂-SiO₂-Al₂O₃) glass-ceramic porous media produced by the replication method has been studied for relatively low temperature applications. Different suspensions have been tested, and appropriated parameters to obtain good impregnation and green strength were determined. The structures after the sintering process (975 °C for 120 min) were evaluated by scanning electron microscopy and showed a good reproducibility for the best tested suspensions (70.0 wt.% LZSA, 3.5 wt.% bentonite as binder and 1.5 wt.% Darvan 821A as dispersant) Strut and geometric densities were determined so that glass-ceramic foams with porosity of about 91% were obtained.

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Materials Science Forum (Volumes 727-728)

Pages:

686-690

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.727-728.686

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Online since:

August 2012

Authors:

Jefferson Jean do Rosário, Rafael Paiotti Marcondes Guimarães, Mirella Alves Leite, Antonio Pedro Novaes de Oliveira, Márcio Celso Fredel

Keywords:

Glass-Ceramic Foams, LZSA Glass-Ceramic Materials, Porous Burners, Porous Medium

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