Microwave assisted preparation and sintering of Al2O3, ZrO2 and their composites from metalorganics

Ravi, Bhuvaragasamy G and Ramesh, Peelamedu D and Gupta, Navneet and Rao, Kalya J (1997) Microwave assisted preparation and sintering of Al2O3, ZrO2 and their composites from metalorganics. In: Journal of Materials Chemistry, 7 (10). pp. 2043-2048.

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Abstract

Controlled pyrolysis of Al(OBus)(3), Zr(OPrn)(4) and their mixtures in ethyl acetate induced using microwaves of 2.45 GHz frequency has been carried out. Microwave irradiation yields second-stage precursors for the preparation of respective oxides and their composites. It is observed that the microwave irradiation has a directive influence on the morphology of the ultimate oxide products. Al2O3, ZrO2 and the two composites 90% Al2O3-10% ZrO2 and 90% ZrO2-10% Al2O3 are also found to be sintered to very high densities within 35 min of microwave irradiation by the use of beta-SiC as a secondary susceptor.

Item Type:	Journal Article
Publication:	Journal of Materials Chemistry
Publisher:	Royal Society of Chemistry
Additional Information:	Copyright of this article belongs to Royal Society of Chemistry.
Department/Centre:	Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited:	29 Aug 2011 09:06
Last Modified:	29 Aug 2011 09:06
URI:	http://eprints.iisc.ac.in/id/eprint/38305

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