Non-Linear Phenomenological Models of Fibre-Reinforced Composites

  • I. F. Obraztsov
  • V. V. Vasil’ev
Conference paper


Filamentary composites are usually considered as linearly elastic materials prior to failure. However, the deviation of fibre angles, resin crazing, or plasticity of the matrix may cause substantial nonlinearity of the material. In this paper, phenomenological models which seek to describe some aspects of nonlinear behaviour of filamentary composites are presented. It is assumed that the material consists of a number of orthotropic unidirectional plies and that the properties of each macroscopically homogeneous ply are determined experimentally.


Circumferential Strain Initial Angle Fibre Angle Aviation Technology Shear Stress Resultant 
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  1. [1]
    Vasil’ev, V. V. and Elpat’evskii, A. N., Polym. Mech., Vol. 5, pp. 915–920, 1967.Google Scholar
  2. [2]
    Rothem, A. and Hashin, Z., J. Compos. Materials, Vol. 9, pp. 191–206, April 1975.CrossRefGoogle Scholar

Copyright information

© Martinus Nijhoff Publishers, The Hague 1982

Authors and Affiliations

  • I. F. Obraztsov
    • 1
  • V. V. Vasil’ev
    • 1
  1. 1.Moscow Institute of Aviation TechnologyUSSR

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