Law of fracture life for directionally solidified and poly-crystal nickel-base super alloys (CM247LC and IN100) under creep-fatigue conditions based on non-equilibrium science

A. T. Yokobori, R. Sugiura, H. Takeuchi, G. Ozeki, A. Ishida, D. Kobayashi, S. Hosono

    研究成果: Article査読

    11 被引用数 (Scopus)

    抄録

    Nickel-base super-alloys strengthening by precipitation of γ' phase are used as a heat resistant material in gas turbines for electric power plant and jet engine. They were severely subjected to creep (time dependent mechanism, TD) and strain/stress controlled fatigue conditions (cyclic dependent condition, CD). In this paper, sophisticated investigation and analyses on the load frequency characteristics of fracture life under creep and fatigue conditions were conducted based on catastrophic function for nickel-based super alloys, CM247LC (directionally solidified nickel-base material, DS) and these results were compared with those of IN100 (polycrystalline nickel-base material).

    本文言語English
    ページ(範囲)25-44
    ページ数20
    ジャーナルStrength, Fracture and Complexity
    8
    1
    DOI
    出版ステータスPublished - 2013 9 16

    ASJC Scopus subject areas

    • 凝縮系物理学
    • 材料力学
    • 機械工学

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