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Thermal and morphological studies of binary and ternary composites of poly(vinylalcohol) with alumina and zirconia

Mishra, Rachna and Rao, KJ (2000) Thermal and morphological studies of binary and ternary composites of poly(vinylalcohol) with alumina and zirconia. In: Ceramics International, 26 (4). pp. 371-378.

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Abstract

Composites of PVA with alumina $(PVA-Al_2O_3)$, zirconia $(PVA-ZrO_2)$, and both alumina-zirconia $(PVA-Al_2O_3-ZrO_2)$ were prepared by ball milling the dispersed solid powder of $Al_2O_3$, $ZrO_2$ and $Al_2O_3-ZrO_2$ in a PVA matrix at room temperature. The composites were cast into films. The films were later decomposed and the residual ceramics were sintered at $1400^o C$. The surfaces of the composites have been examined using scanning electron microscopy at various stages. The nature of decomposition of PVA as influenced by ceramic particle surfaces has also been studied. There is clear evidence that controllable morphologies and microscopic porosities can be achieved in these composites.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier.
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Date Deposited: 14 Jul 2006
Last Modified: 19 Sep 2010 04:30
URI: http://eprints.iisc.ernet.in/id/eprint/7902

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