Volume 19, Issue 6 (November 1991)

    Methods of Determining Subcritical Crack Growth by Static Lifetime Tests with Natural and Artificial Cracks

    (Received 19 September 1990; accepted 8 May 1991)

    CODEN: JTEOAD

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    Abstract

    Different procedures are described for evaluating v-KI curves of subcritical crack growth from lifetime measurements under static load for natural and artificial cracks. The lifetimes for a 99.6% A12O3 are evaluated as an example of application. Results for small natural cracks and artificial Knoop cracks are compared, and a rather good agreement of the v-K curves is observed.


    Author Information:

    Fett, T
    Kernforschungszentrum Karlsruhe, Institut für Material- und Festkörperforschung IV, Universitat Karlsruhe, Institut fur Zuverlassigkeit und Schadenskunde im Maschinenbau, Karlsruhe,

    Munz, D
    Kernforschungszentrum Karlsruhe, Institut für Material- und Festkörperforschung IV, Universitat Karlsruhe, Institut fur Zuverlassigkeit und Schadenskunde im Maschinenbau, Karlsruhe,


    Stock #: JTE12609J

    ISSN: 0090-3973

    DOI: 10.1520/JTE12609J

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    Author
    Title Methods of Determining Subcritical Crack Growth by Static Lifetime Tests with Natural and Artificial Cracks
    Symposium , 0000-00-00
    Committee E08