Hot-pressing behaviour of Synroc containing sodium-bearing nuclear wastes

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dc.contributor.authorStewart. MWAen_AU
dc.contributor.authorBuykx, WJen_AU
dc.date.accessioned2025-08-07T12:43:32Zen_AU
dc.date.available2025-08-07T12:43:32Zen_AU
dc.date.issued1991-08en_AU
dc.date.statistics2025-08-01en_AU
dc.descriptionPhysical copy held by ANSTO Library at DDC: 620.14/9.en_AU
dc.description.abstractThe hot-pressing behaviour of SYNROC powders prepared from "alkoxide-route" precursors was studied using isothermal and dilatometrical techniques. The effects of variations in the type (with and without Na) and loading of the simulated high level radioactive waste (HLW) were examined. The calculated optimum hot-pressing temperature drops by about 10 - 30°C for each 7 MPa increase in pressure and 10 % increase in the HLW loading. The presence of Na in the HLW lowers the calculated optimum hot-pressing temperature at 21 MPa by 60 - 100°C, depending upon the waste loading. At higher waste loadings, densification of Na-bearing SYNROC is inhibited by pore formation within the pellet. There is some evidence that the densification mechanisms of Na-bearing and non-Na-bearing SYNROC are different.en_AU
dc.identifier.booktitleProceedings of the International Ceramic Conference, (AUSTCERAM 90: ceramics technology - sharing the knowledge)en_AU
dc.identifier.citationStewart, M. W. A., & Buykx, W. J. (1990). Hot-pressing behaviour of Synroc containing sodium-bearing nuclear wastes. Paper presented to the International Ceramic Conference (AUSTCERAM 90: ceramics technology - sharing the knowledge), Perth, Western Australia, 26-31 August 1990. In Darragh, P. J & Stead, R. J (Eds.), Proceedings of the International Ceramic Conference, (AUSTCERAM 90: ceramics technology - sharing the knowledge), Perth, Western Australia, 26-31 August 1990, (Vol. 48-50, 711-716). Zurich, Switzerland: Trans Tech Publications.en_AU
dc.identifier.conferenceenddate1990-08-31en_AU
dc.identifier.conferencenameInternational Ceramic Conference (AUSTCERAM 90: ceramics technology - sharing the knowledge)en_AU
dc.identifier.conferenceplacePerth, Western Australiaen_AU
dc.identifier.conferencestartdate1990-08-26en_AU
dc.identifier.isbn0878496084en_AU
dc.identifier.pagination711-716en_AU
dc.identifier.placeofpublicationAedermannsdorf, Switzerlanden_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/16391en_AU
dc.identifier.volume48-50en_AU
dc.language.isoenen_AU
dc.publisherTrans Tech Publicationsen_AU
dc.subjectHot pressingen_AU
dc.subjectSynroc processen_AU
dc.subjectSynthetic rocksen_AU
dc.subjectIsothermal processesen_AU
dc.subjectDilatometryen_AU
dc.subjectHigh-level radioactive wastesen_AU
dc.subjectTemperature rangeen_AU
dc.subjectRedox processen_AU
dc.subjectRadioactive wastesen_AU
dc.subjectIrradiationen_AU
dc.titleHot-pressing behaviour of Synroc containing sodium-bearing nuclear wastesen_AU
dc.typeConference Paperen_AU
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