Amorphization of graphite induced by mechanical milling and subsequent crystallization of the amorphous carbon upon heat treating

J. Tang, W. Zhao, L. Li, A. U. Falster, W. B. Simmons, W. L. Zhou, Y. Ikuhara, J. H. Zhang

    Research output: Contribution to journalArticle

    51 Citations (Scopus)

    Abstract

    The effects of mechanical milling (MM) on the phase transformation of graphite carbon were investigated using high resolution electron microscopy (HREM), x-ray diffraction, and differential thermal analysis (DTA). Amorphization of graphite as a result of prolonged high-energy ball milling was directly observed with HREM. The exothermic peak in the DTA trace of the ∼200 h ball-milled sample indicated a crystallization onset temperature of about 670 °C and crystallization activation energy of 234 KJ/ mole.

    Original languageEnglish
    Pages (from-to)733-738
    Number of pages6
    JournalJournal of Materials Research
    Volume11
    Issue number3
    DOIs
    Publication statusPublished - 1996 Mar

    ASJC Scopus subject areas

    • Materials Science(all)
    • Condensed Matter Physics
    • Mechanics of Materials
    • Mechanical Engineering

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