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Monophasic pre-mullite gels prepared by a nonhydrolytic process

Book ·
OSTI ID:51585

A nonhydrolytic sol-gel route to aluminosilicates is proposed which avoids the problems associated with different hydrolysis rates for the precursors. Two pre-mullite gels (Al{sub 2}O{sub 3}/SiO{sub 2} = 3/2) were prepared in two different ways. The conversion to mullite was studied as a probe for chemical Homogeneity. The results indicate that a monophasic precursor (i.e. homogeneous at the atomic level) may be easily obtained by etherolysis of a mixture of SiCl{sub 4} and AlCl{sub 3}.

OSTI ID:
51585
Report Number(s):
CONF-940411--; ISBN 1-55899-246-4
Country of Publication:
United States
Language:
English

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