Characterization of nanocrystalline ferrite produced by mechanical milling of pearlitic steel

S. Ohsaki, K. Hono, H. Hidaka, S. Takaki

    Research output: Contribution to journalArticlepeer-review

    90 Citations (Scopus)

    Abstract

    Three-dimensional atom probe analysis of the nanocrystalline ferrite produced by mechanically milling pearlitic steel indicated that carbon atoms are strongly segregated at the grain boundaries, and approximately 1.0at.% carbon are dissolved in the nanocrystalline ferrite. Annealing at 400°C led to the rejection of carbon from the grains and the precipitation of cementite at the grain boundaries, while the nanocrystalline microstructure was retained.

    Original languageEnglish
    Pages (from-to)271-276
    Number of pages6
    JournalScripta Materialia
    Volume52
    Issue number4
    DOIs
    Publication statusPublished - Feb 2005

    All Science Journal Classification (ASJC) codes

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

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