Effect of Ti‐metal addition on hot‐isostatically pressed (HIPed) Synroc‐C

dc.contributor.authorFarzana, Ren_AU
dc.contributor.authorDayal, Pen_AU
dc.contributor.authorPeristyy, Aen_AU
dc.contributor.authorSutton, Pen_AU
dc.contributor.authorAly, Zen_AU
dc.contributor.authorAughterson, RDen_AU
dc.contributor.authorNguyen, THen_AU
dc.contributor.authorYeoh, Men_AU
dc.contributor.authorKoshy, Pen_AU
dc.contributor.authorGregg, DJen_AU
dc.date.accessioned2025-01-12T23:51:22Zen_AU
dc.date.available2025-01-12T23:51:22Zen_AU
dc.date.issued2023-11en_AU
dc.date.statistics2024-10-23en_AU
dc.description.abstractSynroc, a candidate nuclear wasteform and Synroc technology, a waste treatment solution utilizing hot‐isostatic pressing (HIPing) have significant potential for the immobilisation of challenging nuclear wastes from both current and innovative reactors and fuel cycles. Hot isostatic press (HIP) consolidation is undertaken within sealed metal HIP canisters, where metal buffers (e.g., Ti, Fe and Ni) can be incorporated to control the redox environment within the canister. This study, for the first time, reports the effect of varying Ti‐metal addition (0, 2, 4, and 8 wt.%) on phase formation, microstructural characteristics, and wasteform performance for HIP consolidated Synroc‐C containing 20 wt.% simulated PUREX type (PW‐4b) high level waste. Quantitative X‐ray diffraction analysis, scanning electron microscopy‐energy dispersive X‐ray spectroscopy (EDS) and transmission electron microscopy‐EDS analyses were undertaken for analytical investigations. The chemical durability of the samples was assessed using ASTM C1220‐21 standard test. Hot‐isostatically pressed (HIPed) samples with 0 and 8 wt.% Ti added for redox control produced unfavourable phase formation. However, the HIPed samples with Ti additions of 2 and 4 wt.% as a redox buffer showed the desired phase formation of Synroc‐C without any significant change to the partitioning of waste elements among the phases along with compatible durability results, when compared to previous literature for hot uniaxial pressing (HUPed) or sintered materials. © 2023 Commonwealth of Australia and The Authors. Journal of the American Ceramic Society published by Wiley Periodicals LLC on behalf of American Ceramic Society. - Open Access CC-BY-NC.en_AU
dc.description.sponsorshipThe authors thank I. Watson and I. Kurlapski for assistance with sample preparation, N. Webb for HIPing, I. Chironi for TG analysis and Nuclear Science and Technology (NST) at ANSTO for material characterizations. Open access publishing facilitated by Australian Nuclear Science and Technology Organisation, as part of the Wiley - Australian Nuclear Science and Technology Organisation agreement via the Council of Australian University Librarians.en_AU
dc.identifier.citationFarzana, R., Dayal, P., Peristyy, A., Sutton, P., Aly, Z., Aughterson, R. D., Nguyen, T. H., Yeoh, M., Koshy, P., & Gregg, D. J. (2023). Effect of Ti-metal addition on hot-isostatically pressed (HIPed) Synroc-C. Journal of the American Ceramic Society, 106(11), 6971-6986. doi.org/10.1111/jace.19313en_AU
dc.identifier.issn0002-7820en_AU
dc.identifier.issn1551-2916en_AU
dc.identifier.issue11en_AU
dc.identifier.journaltitleJournal of the American Ceramic Societyen_AU
dc.identifier.pagination6971-6986en_AU
dc.identifier.urihttps://doi.org/10.1111/jace.19313en_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/15916en_AU
dc.identifier.volume106en_AU
dc.languageEnglishen_AU
dc.language.isoenen_AU
dc.publisherWileyen_AU
dc.subjectTitaniumen_AU
dc.subjectWastesen_AU
dc.subjectFuel cycleen_AU
dc.subjectIronen_AU
dc.subjectNickelen_AU
dc.subjectNuclear materials managementen_AU
dc.subjectRadioactive wastesen_AU
dc.subjectSynroc processen_AU
dc.subjectANSTOen_AU
dc.subjectAustralian organizationsen_AU
dc.subjectCeramicsen_AU
dc.subjectPurex processen_AU
dc.titleEffect of Ti‐metal addition on hot‐isostatically pressed (HIPed) Synroc‐Cen_AU
dc.typeJournal Articleen_AU
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