Fully densified zircon co-doped with iron and aluminium prepared by sol-gel processing

Alahakoon, W. P. C. M. and Burrows, S. E. and Howes, A. P. and Karunaratne, B. S. B. and Smith, Mark E. and Dobedoe, R. (2010) Fully densified zircon co-doped with iron and aluminium prepared by sol-gel processing. Journal of the European Ceramic Society, 30 (12). pp. 2515-2523. ISSN 1873-619X

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A sol-gel technique has been used to prepare Fe and Al doped zircon. Structural properties have been studied by X-ray diffraction, nuclear magnetic resonance, scanning electron microscopy and transmission electron microscopy (TEM). Fully densified zircon was produced with high zircon yield and promising microstructures. The presence of Fe promotes zircon formation, while Al improves densification. The zircon phase starts to form at 1215 degrees C, with almost single phase zircon obtained at 1400 degrees C when heated for 1 h. Densification increases very significantly (to 99.7% of theoretical density) when the holding time was increased to 48 h from 1 h. TEM micrographs reveal a crystalline grain boundary phase containing some Fe and Al. (C) 2010 Elsevier Ltd. All rights reserved.

Item Type: Journal Article
Journal or Publication Title: Journal of the European Ceramic Society
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/2500/2503
Departments: VC's Office
ID Code: 52809
Deposited By: ep_importer_pure
Deposited On: 27 Feb 2012 14:57
Refereed?: Yes
Published?: Published
Last Modified: 19 Feb 2020 08:07
URI: https://eprints.lancs.ac.uk/id/eprint/52809

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