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Fully densified zircon co-doped with iron and aluminium prepared by sol-gel processing
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Alahakoon, W. P. C. M., Burrows, S. E. (Susan E.), Howes, Andrew P., Karunaratne, B. S. B., Smith, Mark E. and Dobedoe, Richard Simon (2010) Fully densified zircon co-doped with iron and aluminium prepared by sol-gel processing. Journal of the European Ceramic Society, Vol.30 (No.12). pp. 2515-2523. doi:10.1016/j.jeurceramsoc.2010.05.011
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Official URL: http://dx.doi.org/10.1016/j.jeurceramsoc.2010.05.0...
Abstract
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 | ||||
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| Subjects: | Q Science > QC Physics T Technology > TP Chemical technology |
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| Divisions: | Administration > Vice Chancellor's Office Faculty of Science > Physics |
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| Library of Congress Subject Headings (LCSH): | Microstructure, Electron microscopy, Zircon, Colloids | ||||
| Journal or Publication Title: | Journal of the European Ceramic Society | ||||
| Publisher: | Elsevier Ltd | ||||
| ISSN: | 0955-2219 | ||||
| Official Date: | September 2010 | ||||
| Dates: |
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| Volume: | Vol.30 | ||||
| Number: | No.12 | ||||
| Number of Pages: | 9 | ||||
| Page Range: | pp. 2515-2523 | ||||
| DOI: | 10.1016/j.jeurceramsoc.2010.05.011 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | Asian Development Bank (ADB), Engineering and Physical Sciences Research Council (EPSRC), University of Warwick, Advantage West Midlands (AWM), European Regional Development Fund (ERDF) |
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