Volume 1, Issue 5 (September 1973)

    The Effect of the Intermediate Principal Stress on Triaxial Fatigue of 7075-T6 Aluminum Alloy

    CODEN: JTEOAD

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    Abstract

    Fatigue tests of 7075-T6 aluminum alloy under synchronous pulsating triaxial stresses were performed with three different values of the intermediate principal stress. Thick-walled tubes were subjected to internal pressure plus axial stress such that the state of stress at the inner surface was as follows: in the first case, the intermediate principal stress was a compression equal to the internal pressure; in the second, it was a tension equal to the internal pressure; and in the third, it was a tension equal to the hoop stress at the inner surface. Results showed no effect of the intermediate principal stress.


    Author Information:

    Findley, WN
    Professor and technical assistant, Division of Engineering, Brown University, Providence, Rhode Island

    Tracy, JF
    Professor and technical assistant, Division of Engineering, Brown University, Providence, Rhode Island


    Stock #: JTE10043J

    ISSN: 0090-3973

    DOI: 10.1520/JTE10043J

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    Author
    Title The Effect of the Intermediate Principal Stress on Triaxial Fatigue of 7075-T6 Aluminum Alloy
    Symposium , 0000-00-00
    Committee D18