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ZHU Jun, WU Weiqing, OUYANG Jiasi, et al. Influence of out-of-plane waviness on elastic properties of composite laminates[J]. Acta Materiae Compositae Sinica, 2016, 33(9): 1981-1988. DOI: 10.13801/j.cnki.fhclxb.20160102.001
Citation: ZHU Jun, WU Weiqing, OUYANG Jiasi, et al. Influence of out-of-plane waviness on elastic properties of composite laminates[J]. Acta Materiae Compositae Sinica, 2016, 33(9): 1981-1988. DOI: 10.13801/j.cnki.fhclxb.20160102.001
shu

Influence of out-of-plane waviness on elastic properties of composite laminates

  • 1.

    Department of Engineering Structure and Mechanics, Wuhan University of Technology, Wuhan 430070, China;

  • 2.

    State Key Laboratory of Advanced Technology for Material Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China

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  • Received Date: September 13, 2015
  • Revised Date: December 22, 2015
    Abstract
  • Based on the classical lamination theory (CLT), a multi-parameter analytic model was developed to quantitatively investigate influence of out-of-plane waviness defect on the elastic properties (i.e. elastic modulus, shear modulus and Poisson's ratios) of composite laminates with waviness. The results show that out-of-plane waviness has strong effects on the major elastic modulus, Z-direction elastic modulus, shear modulus in X-Z plane, and in-plane Poisson's ratio. The negative in-plane Poisson's ratio occurs in a particular range of the waviness ratio and wavy region for the example of carbon fiber/epoxy resin material system. The present approach provides a useful reference to evaluate the effects of out-of-plane waviness on elastic properties of composite laminates.
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