Electronic Resource
Springer
Journal of sol gel science and technology
2 (1994), S. 399-402
ISSN:
1573-4846
Keywords:
mullite
;
sol-gel process
;
crystallization
;
sinterability
;
chemical modification
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
Notes:
Abstract Mullite gels have been prepared using tetraethyl orthosilicate and aluminium tri-sec-butoxide chemically modified by ethylacetoacetate as precursors. The hydrolysis conditions are shown to have a very noticeable influence on the evolution of both phase and microstructure of the resulting xerogels. The optimization of thermal treatment allows well crystallized mullite samples with a density more than 90% of the theoretical value after sintering at 1200°C for 4 hours to be obtained.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00486278
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