This paper examines the fatigue crack growth histories, at low Delta K's, of a range of test specimens and service loaded components and concludes that, as a first approximation, there is a linear relationship between the log of the crack length or depth and the service history (number of load cycles). We also show that, for the cases studied, that the log linear method can give a better prediction of experimental data than a conventional crack growth model.


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    Title :

    Crack growth at low Delta K's and the Frost-Dugdale law


    Contributors:
    Jones, R. (author) / Barter, S. (author) / Molent, L. (author) / Pitt, S. (author)

    Published in:

    Publication date :

    2004


    Size :

    7 Seiten, 20 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English