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Li Zhen, Zheng Xiulin. Prediction of Fatigue Life for Peened Butt Welds of 16Mn Steel[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 1997, (3): 151-158.
Citation: Li Zhen, Zheng Xiulin. Prediction of Fatigue Life for Peened Butt Welds of 16Mn Steel[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 1997, (3): 151-158.
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Prediction of Fatigue Life for Peened Butt Welds of 16Mn Steel

  • 1.

    Xi'an Petroleum Institute

  • 2.

    Northwestern Polytechnical University

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  • Received Date: May 01, 1996
  • Revised Date: June 02, 1997
    Graphical Abstract
    • Abstract
  • The fatigue life prediction model with given survivability for peened butt weld of 16Mn steel is investigated. It is shown by the test results that at a given equivalent stress amplitude, the fatigue life of peened butt welds of 16Mn steel follows the lognormal distribution. The expressions of S-N curve and P-S-N curve are given in this paper. Furthermore, the method of fatigue life prediction with given survivability under variable amplitude has been given in this paper. The life prediction results have been substantiated by the tests. It is pointed out that the above-mentioned method can be taken as a new model of fatigue reliability evaluation for weldments.
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