Volume 2, Issue 1

    A Study on the Multiaxial Fatigue Failure Criterion with Small Defects

    (Received 1 April 2013; accepted 27 June 2013)

    Published Online: 2013


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    This paper reexamines a multiaxial fatigue failure criterion in the presence of small defects. The criterion is based on the assumption that a Mode-I crack on a specified plane, termed a critical plane, plays a dominant role in the determination of fatigue strength. The present study extends previous research to propose a modified failure criterion in conjunction with a systematic computational scheme, and to conduct a detailed analysis of its predictive capability. Using the proposed computational scheme, the applied stress level for the multiaxial fatigue failure can be efficiently predicted for both in-phase and out-of-phase loadings. Additionally, a series of parametric studies was conducted to examine the material's sensitivity to the biaxial stress state with respect to the fatigue strength.

    Author Information:

    Yanase, K.
    Associate Professor, Dept. of Mechanical Engineering, Institute of Materials Science & Technology, Fukuoka Univ., Fukuoka City, Fukuoka

    Stock #: MPC20130013

    ISSN: 2165-3992

    DOI: 10.1520/MPC20130013

    ASTM International is a member of CrossRef.

    Title A Study on the Multiaxial Fatigue Failure Criterion with Small Defects
    Symposium , 0000-00-00
    Committee E08