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Characterizations of Sol-Gel Cordierite Precursors

Published online by Cambridge University Press:  25 February 2011

Yun Fa Chen ,
Saïd El Hadigui  and
Serge Vilminot
Yun Fa Chen
Affiliation:
Groupe des Matériaux Inorganiqiies, EHICS, 1 rue B. Pascal, Strasbourg, France
Saïd El Hadigui
Affiliation:
Groupe des Matériaux Inorganiqiies, EHICS, 1 rue B. Pascal, Strasbourg, France
Serge Vilminot
Affiliation:
Groupe des Matériaux Inorganiqiies, EHICS, 1 rue B. Pascal, Strasbourg, France
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Abstract

Cordierite powders were prepared using silicon ethoxide, Mg(NO3).2.6H2O and Al (OBu)2etac (etac = ethylacetoacetate) and conditions of hydrolysis have been checked in order pure a cordierite to be obtained. D.T.A. measurements reveal a stepwise crystallization process with intermediate formation of metastable μ cordierite. Infrared studies allow to follow the evolution of the Si-O-Al network with temperature.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 271: Symposium N – Better Ceramics Through Chemistry V , 1992 , 175
Copyright
Copyright © Materials Research Society 1992

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References

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