An investigation on the persistence of uranium hydride during storage of simulant nuclear waste packages.

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An investigation on the persistence of uranium hydride during storage of simulant nuclear waste packages.
Stitt, Camilla, 2015, "An investigation on the persistence of uranium hydride during storage of simulant nuclear waste packages.", https://doi.org/10.7910/DVN/55LJ9P, Harvard Dataverse, V1
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Description
Synchrotron X-rays have been used to study the oxidation of uranium and uranium hydride when encapsulated in grout and stored in de-ionised water for 10 months. Periodic synchrotron X-ray tomography and X-ray powder diffraction have allowed measurement and identification of the arising corrosion products and the rates of corrosion. The oxidation rates of the uranium metal and uranium hydride were slower than empirically derived rates previously reported for each reactant in an anoxic water system, but without encapsulation in grout. This was attributed to the grout acting as a physical barrier limiting the access of oxidising species to the uranium surface. Uranium hydride was observed to persist throughout the 10 month storage period and industrial consequences of this observed persistence are discussed.
Subject Physics
Notes Supplementary and raw data for the article titled 'An investigation on the persistence of uranium hydride during storage of simulant nuclear waste packages.' authored by C. A. Stitt, N. J. Harker, K. R. Hallam, C. Paraskevoulakos, A. Banos, S. Rennie, J. Jowsey, T.B. Scott
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