Ceramic tape preparation by filler controlled polymer pyrolysis
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2000
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CONGRESSO BRASILEIRO DE CERAMICA, 44.
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Resumo
Preparation of novel materials from inorganic polymers has attained particular
interest in the last years, being one of the reasons to open the plastic shaping
technology for the manufacturing process. The current work deals with
preparation process of thin ceramic tapes applying the active filler controlled
pyrolysis of poly(siloxanes) with different kinds of inert and active fillers (e.g.
SiC, Al2O3 etc.) by the doctor blade method. The preparation of castable
slurries and the tape casting process were carried out at room temperature.
Cross linking of the polymer was also performed at room temperature using
oleic acid as catalyst. After drying the tapes present sufficient flexibility for
easy handling. Pyrolysis process was conducted in inert atmosphere (argon)
up to 1500C. Phase and microstructure formation was investigated by X ray
diffraction analysis and scanning electron microscopy, respectively. Porosity
was measured by He pycnometry. It is shown, that pyrolysis of preceramic
polymers is a suitable way for tape casting and this new method is compared
to conventional methods of tape casting.
Como referenciar
ROCHA, R.M.; BRESSIANI, J.C.; SCHEFFLER, M.; GREIL, P.; BRESSIANI, A.H.A. Ceramic tape preparation by filler controlled polymer pyrolysis. In: CONGRESSO BRASILEIRO DE CERAMICA, 44., 31 maio - 4 jun, 2000, Sao Pedro, SP. Anais... Disponível em: http://repositorio.ipen.br/handle/123456789/20740. Acesso em: 30 Dec 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.