Fatigue tests were conducted on adhesive bonded aluminum specimens with intentionally induced adhesive bondline flaws. Specimen design details, materials, type of surface preparation, the test loadings were selected to be representative of those on the bonded wide-body fuselage test article designed and built in the PABST program. Tests conducted in this report show that bondline flaws loaded primarily in shear did not grow whereas those loaded by peel or tension forces did exhibit flaw growth. Flaw growth rate was higher at the slow rate of two cycles per hour than for a fast-cycle rate of 30 Hz. Bondline flaws grew incrementally with load cycles and could be tracked by state-of-the-art NDE. (Peters)


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    Title :

    Definition and non-destructive detection of critical adhesive -bond-line flaws


    Additional title:

    Definition und zerstoerungsfreies Pruefen kritischer Fehler in Klebeverbindungen


    Contributors:
    Clark, H.T. (author)

    Published in:

    Publication date :

    1978


    Size :

    93 Seiten


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English





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