In situ TEM observations of irradiation-induced phase change in tungsten

C. L. Chen, T. Nagase, H. Mori

    Research output: Contribution to journalArticlepeer-review

    6 Citations (Scopus)

    Abstract

    Electron irradiation-induced phase change in tungsten was examined by in situ high resolution electron microscopy. In samples prepared by a chemical polishing technique using a NaOH aqueous solution, an α to β phase change was induced under 200 keV electron irradiation at 773 K. It is suggested that sodium atoms deposited on the tungsten sample from the solution, rather than oxygen atoms, may play an essential catalytic role in inducing the phase change.

    Original languageEnglish
    Pages (from-to)1965-1968
    Number of pages4
    JournalJournal of Materials Science
    Volume44
    Issue number8
    DOIs
    Publication statusPublished - 2009 Apr

    ASJC Scopus subject areas

    • Materials Science(all)
    • Mechanics of Materials
    • Mechanical Engineering

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