Volume 38, Issue 6 (November 2010)

    Fatigue Damage Severity Calculation for Vibration Tests

    (Received 26 January 2010; accepted 3 May 2010)

    Published Online: 2010

    CODEN: JTEOAD

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    Abstract

    An analytical solution to calculate a fatigue damage spectrum for a linear single degree-of-freedom system is presented to assess fatigue damage severity for various vibration test specifications. This solution can be served as the fundamental to develop an accelerated vibration test specification based on the real measured customer usage data and the use of material. Fundamentals of vibration characteristics for sinusoidal and random vibrations are well described in this paper. The state-of-the-art frequency-based fatigue theories are also reviewed. Finally, this paper compares the calculation results for a product subject to the vibration loads defined in IEC-60068-2-6 and ISO 16750-3.


    Author Information:

    Lee, Yung-Li
    Chrysler Group LLC, Auburn Hills, MI

    Polehna, Dennis
    Chrysler Group LLC, Auburn Hills, MI

    Kang, Hong-Tae
    Univ. of Michigan—Dearborn, Dearborn, MI


    Stock #: JTE102994

    ISSN: 0090-3973

    DOI: 10.1520/JTE102994

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    Author
    Title Fatigue Damage Severity Calculation for Vibration Tests
    Symposium , 0000-00-00
    Committee A01