Thermal conversion of Cs-exchanged IONSIV IE-911 into a novel caesium ceramic wasteform by Hot Isostatic Pressing

CHEN, Tzu-Yu, HRILJAC, Joseph A., GANDY, Amy S., STENNETT, Martin C., HYATT, Neil C. and MADDRELL, Ewan. R. (2013). Thermal conversion of Cs-exchanged IONSIV IE-911 into a novel caesium ceramic wasteform by Hot Isostatic Pressing. MRS Proceedings, 1518, 67-72.

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Official URL: https://www.cambridge.org/core/journals/mrs-online...
Link to published version:: https://doi.org/10.1557/opl.2013.202

Abstract

Hot Isostatic Pressing of Cs-exchanged IONSIV IE-911 samples is shown to produce a mixture of ceramic phases, the nature and mass fractions of these have been determined by Rietveld analysis of powder X-ray diffraction data. The main Cs phase that forms is Cs2TiNb6O18, after this reaches approximately 30% of the total crystalline content the remaining Cs is partitioned into Cs2ZrSi6O15. Durability tests using the PCT-B method for 7 days at 90 °C with deionised water lead to Cs leach rates of 0.032 and 0.038 g∙m−2∙day−1 for samples exchanged to 6 and 12 wt% Cs, respectively, indicating a durable wasteform is produced.

Item Type: Article
Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Engineering Research
Identification Number: https://doi.org/10.1557/opl.2013.202
Depositing User: Tzu-Yu Chen
Date Deposited: 22 Aug 2018 13:34
Last Modified: 22 Aug 2018 15:28
URI: http://shura.shu.ac.uk/id/eprint/21633

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