Volume 29, Issue 5 (September 2001)

    Determination of the Energy Necessary for Creating Fatigue Cracks by Measurement of Microhardness

    (Received 13 June 2000; accepted 26 April 2001)

    CODEN: JTEOAD

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    Abstract

    The growth of cracks is related to the existence of a plastic zone at the crack tip, the formation and growth of which are accompanied by an energy dissipation. The estimation of this energy is generally made by global measures. In our study, we have used microhardness measurements at the crack tip for estimating energy. The results obtained are more accurate near the crack tip than those estimated by other methods.


    Author Information:

    Benguediab, M
    Professor and assistant professor, Université Djillali Liabes, Faculté des Sciences de l'Ingénieur, Sidi Bel Abbes,

    Mazari, M
    Professor and assistant professor, Université Djillali Liabes, Faculté des Sciences de l'Ingénieur, Sidi Bel Abbes,

    Ranganathan, N
    Professor, Ecole des Ingénieurs de Tours, Laboratoire de Mécanique et Rhéologie, Tours,


    Stock #: JTE12279J

    ISSN: 0090-3973

    DOI: 10.1520/JTE12279J

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    Author
    Title Determination of the Energy Necessary for Creating Fatigue Cracks by Measurement of Microhardness
    Symposium , 0000-00-00
    Committee E08