Three-dimensional characterization and thermal property modelling of thermally oxidized nuclear graphite

L. Babout, B. J. Marsden, P. M. Mummery, T. J. Marrow

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The paper presents a novel concept for the automated recognition and identification of different classes of porosity. This is applied to the porosity network in thermally oxidized nuclear graphite samples, which has been observed using computed X-ray tomography. The analysis is used to predict the dependence of thermal conductivity on thermal oxidation-induced weight loss. The model predictions, based on the Euler approach, are successfully compared with experimental measurements of thermal conductivity, obtained using the laser flash method. © 2008 Acta Materialia Inc.
    Original languageEnglish
    Pages (from-to)4242-4254
    Number of pages12
    JournalActa Materialia
    Volume56
    Issue number16
    DOIs
    Publication statusPublished - Oct 2008

    Keywords

    • Analytical method
    • Carbon and graphite
    • Oxidation
    • Porous material
    • X-ray tomography

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