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Real time, in-situ deuteriding of uranium encapsulated in grout; effects of temperature on the uranium-deuterium reaction

Research output: Contribution to journalArticle

Original languageEnglish
JournalCorrosion Science
Early online date30 Aug 2017
DOIs
DateAccepted/In press - 18 Aug 2017
DateE-pub ahead of print (current) - 30 Aug 2017

Abstract

Abstract To accurately predict the initiation and evolution of uranium hydride potentially present in nuclear waste containers, studies of simulated conditions are required. Here, for the first time, the uranium-deuterium reaction was examined in-situ, in real time, whilst within grouted media. A deuterium gas control rig and stainless steel-quartz glass reaction cell were configured on a synchrotron beam line to collect X-ray diffraction and X-ray tomography data. It was found that deuteride formation was limited by the uranium and grout thermal conductivities and deuteride initiation only commenced above a threshold temperature. Strong adherence between uranium oxide and grout was also observed.

    Research areas

  • Uranium hydride, In-situ, Grout, Synchrotron, X-ray tomography, X-ray powder diffraction

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