Strengthening of pearlitic steel by ferrite/cementite elastic misfit strain

Nobuo Nakada, Norimitsu Koga, Yuki Tanaka, Toshihiro Tsuchiyama, Setsuo Takaki, Masaharu Ueda

    Research output: Contribution to journalArticlepeer-review

    14 Citations (Scopus)


    The strength of pearlitic steel was clearly reduced by annealing, even though cementite stably maintained a lamellar structure. In response, lattice strain of the ferrite phase in pearlite monotonically decreased with increasing annealing time. As a result, a good linear relationship was established between the strength and ferrite lattice strain independent of the interlamellar spacing and morphology of cementite. This suggests that the ferrite/cementite elastic misfit strain contributes to the high strength of pearlitic steel.

    Original languageEnglish
    Pages (from-to)2036-2038
    Number of pages3
    Journalisij international
    Issue number9
    Publication statusPublished - 2015

    All Science Journal Classification (ASJC) codes

    • Mechanics of Materials
    • Mechanical Engineering
    • Metals and Alloys
    • Materials Chemistry


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