Results of series of fatigue tests to study crack propagation and resulting stress distributions in tension panels of 2024-T3 and 7075-T6 aluminum alloys; it was found that average rate of crack growth was slower in panels made of 2024-T3 Al than in panels made of 7075-T6; all cracks initiated in skin, and slowest crack growth was measured in configurations where highest percentage of cross-sectional area was in stiffeners.


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    Title :

    Fatigue-crack propagation in aluminum-alloy tension panels


    Additional title:

    NASA -- Tech Note


    Contributors:


    Publication date :

    1960


    Size :

    25 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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