Application of sol-gel technology to produce aluminium titanate
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2009
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INTERNATIONAL CONFERENCE ADVANCED ON MATERIAL
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Resumo
The ceramic raw materials, aluminum titanate (- AlTiO5), were prepared by the sol-gel method.
To produce aluminium titanate powder, aluminum and titanium alkoxides were used as
precursors with the addition of hydrochloric acid aiming to produce a translucent gel to
minimize the precipitate formation. The most translucent gel obtained showed, by thermal
treatment, a typical structural evolution: the direct crystallization of the aluminum titanate phase
at 900o
C. At this temperature the aluminum titanate phase was detected after 3 hours
treatment. At 900 o
C after 5 hours treatment, the phase became well crystallized without any
change in its characteristics within 10 hours treatment. At 1400 o
C occurred the formation of
aluminium titanate in all samples.The sol-gel method minimized residual -alumina and rutile
phases when compared to the conventional method of oxide admixtures.
Como referenciar
RIELLA, H.G.; FRAJNDLICH, E.U.C.; KUHNEN, N.C.; DURAZZO, M. Application of sol-gel technology to produce aluminium titanate. In: INTERNATIONAL CONFERENCE ADVANCED ON MATERIAL, September 20-25, 2009, Rio de Janeiro, RJ. Proceedings... Disponível em: http://repositorio.ipen.br/handle/123456789/13140. Acesso em: 19 Feb 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.