An Anisotropic Elasto-Viscoplastic Model for Short-Fiber Reinforced Polymers

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Abstract

The influence of flow on the fiber orientation in injection molding of short-fiber composites leads to both anisotropy and inhomogeneity of the mechanical response. An anisotropic elasto-viscoplastic constitutive model is developed to capture the anisotropic and time-dependent behavior and plasticity controlled failure of short-fiber composites. This model will be numerically implemented in a 3D framework and will be evaluated through simulation of the demonstrator problems.
Original languageEnglish
Publication statusPublished - 1 Feb 2018

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Keywords

  • short-fiber composites
  • computational mechanics
  • injection molding
  • Constitutive modeling
  • plasticity

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