The effect of initial flaw shape and depth on the cycles required to produce a pressure leak condition in parent and welded 2219-T87 aluminum was examined for thicknesses from 0.04 to 0.3 inch. Initial flaw aspect ratios of 0.5, 0.3, and 0.15 were examined for tests conducted at a frequency of 4 Hz at room temperature and at 300 F. A computer program developed by Forman was used to predict the cycles to leak curve as a function of initial crack aspect ratio, material thickness, and specimen type and the results compared with the experimental data. Sources of error in the crack propagation analysis and the interface with NDI capabilities are discussed.


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    Titel :

    The effect of initial flaw configuration on leak critical pressure vessel design


    Beteiligte:
    Pettit, D. E. (Autor:in) / Hoeppner, D. W. (Autor:in)

    Kongress:

    AIAA, ASME, and SAE, Structures, Structural Dynamics, and Materials Conference ; 1975 ; Denver, CO


    Erscheinungsdatum :

    1975-05-01


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :



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