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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    Title :

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


    Additional title:

    Bruchmechanische Analyse der DCDC-Probe


    Contributors:
    Fett, T. (author) / Rizzi, G. (author) / Guin, J.P. (author) / Lopez-Cepero, J.M. (author) / Wiederhorn, S.M. (author)

    Published in:

    Publication date :

    2009


    Size :

    14 Seiten, 30 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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