Structure of different grades of nuclear graphite

B. E. Mironov, A. V K Westwood, A. J. Scott, R. Brydson, A. N. Jones

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


    Owing to its low neutron absorption cross-section, large scattering cross section and thermal and chemical stability, graphite is a key component of operational nuclear reactors where it is used as a moderator, reflector and as major structural component for 90% of current UK nuclear plants. It is also of interest for use in developing the future high temperature gas-cooled reactors. The properties of the nuclear graphite are influenced by its structural characteristics, which change as a function of neutron irradiation, temperature and oxidation. The principal structural changes during neutron irradiation that affect the integrity and dimensions of nuclear graphite components, thereby affecting service lifetime, are that the a-axis contracts and the c-axis expands in the crystallites. Characterization of virgin graphite structure and of the damage evolution after irradiation of nuclear graphite has an important role to play in the understanding and development of materials used in current and future nuclear reactors, respectively.
    Original languageEnglish
    Title of host publicationJournal of Physics: Conference Series|J. Phys. Conf. Ser.
    Place of PublicationLondon
    PublisherIOP Publishing Ltd
    Publication statusPublished - 2012
    EventElectron Microscopy and Analysis Group Conference 2011, EMAG 2011 - Birmingham
    Duration: 1 Jul 2012 → …


    ConferenceElectron Microscopy and Analysis Group Conference 2011, EMAG 2011
    Period1/07/12 → …
    Internet address


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