Alteration of cold crucible melter titanate-based ceramics: comparison with hot-pressed titanate-based ceramic

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dc.contributor.authorAdvocat, Ten_AU
dc.contributor.authorLeturcq, Gen_AU
dc.contributor.authorLacombe, Jen_AU
dc.contributor.authorBerger, Gen_AU
dc.contributor.authorDay, RAen_AU
dc.contributor.authorHart, KPen_AU
dc.contributor.authorVernaz, Een_AU
dc.contributor.authorBonnetier, Aen_AU
dc.date.accessioned2024-05-02T03:53:19Zen_AU
dc.date.available2024-05-02T03:53:19Zen_AU
dc.date.issued1997en_AU
dc.date.statistics2024-04-22en_AU
dc.descriptionPhysical copy held by ANSTO at DDC: 621.4838/31. Abstract also available online at https://doi.org/10.1557/PROC-465-355en_AU
dc.description.abstractSynroc ceramics were synthesized in an induction-heated cold crucible at laboratory scale (1 kg) from an oxide mixture, and at industrial prototype scale (45 kg) from Synroc previously produced by sintering under load at high temperature. After melting, both materials contained the major phases of Synroc-C. The chemical durability of both melted materials, as determined by static leaching of powder samples in initially pure water at 90°C with an SA/V ratio of 20000m−1, was equivalent to that of conventional hot-pressed Synroc-C. Cerium, used in this investigation to simulate the presence of tri-and tetravalent actinides, was found in steady-state concentrations on the order of 1 ppb (i.e. NL(Ce) ≤ 10−6 g·m−2). The concentration in the leachates was independent of the initial CeO2 content of the Synroc (at least up to 10 wt%); moreover, it is similar to the results obtained with hot-pressed Synroc-C specifically formulated for conditioning long-lived actinides. © Materials Research Society 1997en_AU
dc.identifier.booktitleMaterial Research Society Proceedings, Symposium held 2-6 December, 1996, Boston, Massachusetts, U. S. Aen_AU
dc.identifier.citationAdvocat, T., Leturcq, G., Lacombe, J., Berger, G., Day, R. A., Hart, K., Vernaz, E., & Bonnetier, A. (1996). Alteration of cold crucible melter titanate-based ceramics: comparison with hot-pressed titanate-based ceramic. Paper presented to the Scientific Basis for Nuclear Waste Management XX, 2-6 December 1996, Boston, Massachachuetts, U. S. A. In Gray, W. J. & Triay, I. R. (Eds.), Material Research Society Proceedings, Symposium held 2-6 December, 1996, Boston, Massachusetts, U. S. A., (Vol. 465, pp. 355-362).en_AU
dc.identifier.conferenceenddate1996-12-06en_AU
dc.identifier.conferencenameScientific Basis for Nuclear Waste Management XXen_AU
dc.identifier.conferenceplaceBoston, Massachachuettsen_AU
dc.identifier.conferencestartdate1996-12-02en_AU
dc.identifier.editorsGray, W. J. & Triay, I. R.en_AU
dc.identifier.isbn155899369Xen_AU
dc.identifier.pagination355-362en_AU
dc.identifier.placeofpublicationUnited States of Americaen_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/15570en_AU
dc.identifier.volume465en_AU
dc.language.isoenen_AU
dc.publisherMaterials Research Societyen_AU
dc.relation.urihttps://doi.org/10.1557/PROC-465-355en_AU
dc.subjectSynroc processen_AU
dc.subjectCeramicsen_AU
dc.subjectOxidesen_AU
dc.subjectInductionen_AU
dc.subjectLeachingen_AU
dc.subjectPowdersen_AU
dc.subjectLeachatesen_AU
dc.subjectActinidesen_AU
dc.titleAlteration of cold crucible melter titanate-based ceramics: comparison with hot-pressed titanate-based ceramicen_AU
dc.typeConference Paperen_AU
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