The 'double cleavage drilled compression' specimen is used for the determination of crack growth rates under mode-I and general mixed-mode loading conditions. In this paper, a fracture mechanics analysis is presented for the DCDC specimen, using a finite-element analysis to determine stresses, strains and surface displacements. Weight functions are derived, and the consequence of load misalignment is demonstrated. Finally, side-surface displacements at the crack terminating region are studied using a 3-dimensional, finite-element computation in combination with results from the literature that are based on an ''asymptotic analysis'. Calculated side-surface displacements in the vicinity of the crack tip are found to agree with published values obtained by others via measurements using the atomic force microscope.


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    Titel :

    A fracture mechanics analysis of the double cleavage drilled compression test specimen


    Weitere Titelangaben:

    Bruchmechanische Analyse der DCDC-Probe


    Beteiligte:
    Fett, T. (Autor:in) / Rizzi, G. (Autor:in) / Guin, J.P. (Autor:in) / Lopez-Cepero, J.M. (Autor:in) / Wiederhorn, S.M. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2009


    Format / Umfang :

    14 Seiten, 30 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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