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XU Ying, WEN Weidong, CUI Haitao. Prediction method for fatigue life of laminated composites after impact under compression-compression loading[J]. Acta Materiae Compositae Sinica, 2007, 24(2): 159-167.
Citation: XU Ying, WEN Weidong, CUI Haitao. Prediction method for fatigue life of laminated composites after impact under compression-compression loading[J]. Acta Materiae Compositae Sinica, 2007, 24(2): 159-167.
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Prediction method for fatigue life of laminated composites after impact under compression-compression loading

  • College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

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  • Corresponding author:

    WEN Weidong

  • Received Date: May 21, 2006
  • Revised Date: August 10, 2006
    Abstract
  • A prediction method for the compression-compression fatigue life of laminated composites with impact damage was developed, which can predict the fatigue life of laminated composites with different ply parameters, geometry measures, and impact conditions based on mechanic properties and fatigue characteristics of unidirectional plies. The whole damage process of laminated composites under the impact loading and fatigue loading was analyzed for avoiding the errors induced by an impact damage hypothesis. The real impact damage status of composite laminates has been applied to analyze the fatigue life. Based on the progressive damage theory, the stress analysis was deduced. A 3-D progressive damage model for laminated composites with impact damage was established. A parametric modeling program was developed to predict the impact damage process and fatigue life of laminated compo-sites, which provides a better technical platform for impact resisting design andfatigue research of laminated composites.
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