The master curve and the constitutive equation for creep deformation and fracture for Cr-Mo-V steel throughout smooth, notched and precracked specimens

A. T. Yokobori, T. Yokobori, M. Tabuchi

    研究成果: Article査読

    12 被引用数 (Scopus)

    抄録

    It has been shown experimentally that the master curve for creep deformation versus the ratio of time to fracture time, can be obtained for smooth, notched and precracked specimens of Cr-Mo-V steel, a high-temperature ductile material. A simple unified constitutive equation, i.e. a master curve equation, has been proposed. It is suggested that there is some correlation between the creep deformation fracture curve and the creep damage size master curve. Although the range of the applicability of methodology might be rather limited, the development of this concept is needed for improved long-term creep lives and for other creep ductile materials.

    本文言語English
    ページ(範囲)4767-4773
    ページ数7
    ジャーナルJournal of Materials Science
    31
    18
    DOI
    出版ステータスPublished - 1996

    ASJC Scopus subject areas

    • 材料科学(全般)
    • 材料力学
    • 機械工学

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