New concept on fatigue crack growth characteristics under combined stress conditions

T. Isogai, A. T. Yokobori

    Research output: Contribution to journalArticlepeer-review

    1 Citation (Scopus)

    Abstract

    Using thin walled cylindrical specimens subjected cyclic tension and torsion, fatigue crack growth tests under combined stress conditions were carried out. The characteristics of the fatigue crack growth rate (FCGR) and morphology of the fatigue crack were identified. By comparing the experimental results with the results of finite element analyses, it was found that the experimental characteristics of FCGR were related to fatigue damage accumulation before initial crack growth. Damage mechanics approach is indispensable to characterize the fatigue crack growth under combined stress conditions.

    Original languageEnglish
    Pages (from-to)L47-L52
    JournalInternational Journal of Fracture
    Volume102
    Issue number2
    Publication statusPublished - 2000 Dec 1

    ASJC Scopus subject areas

    • Computational Mechanics
    • Modelling and Simulation
    • Mechanics of Materials

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