Helium thermal diffusion in a uranium dioxide matrix

  title={Helium thermal diffusion in a uranium dioxide matrix},
  author={Dani{\`e}le Roudil and Xavier Deschanels and Patrick Trocellier and Christophe J{\'e}gou and Sylvain Peuget and J. M. Bart},
  • Danièle Roudil, Xavier Deschanels, +3 authors J. M. Bart
  • Published 2004
  • Chemistry
  • The behavior of helium and its diffusion mechanisms in uranium dioxide significantly impact the possible evolution of the spent fuel matrix in interim storage or in a disposal repository, and are therefore an essential aspect of the R&D, regarding fuel matrix behavior in a closed system. A specific experimental study has been conducted, the first part being devoted to thermal diffusion and applied on implanted samples. The analysis procedure used is based on the spreading (under thermal… CONTINUE READING

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