Thermodynamic analysis of light-actinide elements

Research output: Contribution to journalConference articlepeer-review

3 Scopus citations

Abstract

The thermophysical properties of the alpha phases of the light actinide elements Th, U, Np and Pu were analysed. For each of the analysed elements, the Gibbs free-energy was modelled by an explicit function of temperature T and pressure P over the whole relevant T-P range, in a manner compatible with the CALPHAD (Calculation of Alloy Phase Diagrams) method. Several adjustable model-parameters were fitted to available experimental results. The model is based on a new semi-empirical equation of state, which interpolates with Thomas-Fermi type models for the volume and with the Dulong-Petit value for the heat capacity, at extreme pressures.

Original languageEnglish
Pages (from-to)36-39
Number of pages4
JournalJournal of Nuclear Materials
Volume344
Issue number1-3
DOIs
StatePublished - 1 Sep 2005
EventProceedings of the 11th International Symposium on Thermodynamics of Nuclear Materials -
Duration: 6 Sep 20049 Sep 2004

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Materials Science (all)
  • Nuclear Energy and Engineering

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