Numerical identification of material parameters for microbuckling analysis of fiber reinforced polymer matrix composites
Marek Romanowicz
Department of Mechanical Engineering, Bialystok University of Technology, Poland, Wiejska 45C, 15 351 Bialystok, Poland.
DOI:
https://doi.org/10.7494/cmms.2014.2.0481
Abstract:
This research focuses on studying the effect of material parameters upon the compressive response of a unidirectional fiber reinforced polymer matrix composite. To investigate this effect, the finite element method and a periodic unit cell model of unidirectional composite with an initial fiber waviness and inelastic behavior of the matrix were used. The sensitivity of the compressive strength to the hydrostatic pressure, the flow rule and the fiber misalignment angle were presented. The model was verified against an analytical solution and experimental data. The results of this study indicate that a micromechanical model with correctly identified material parameters provides a useful alternative to theoretical models and experimentation.
Cite as:
Romanowicz, M. (2014). Numerical identification of material parameters for microbuckling analysis of fiber reinforced polymer matrix composites. Computer Methods in Materials Science, 14(2), 108 – 113. https://doi.org/10.7494/cmms.2014.2.0481
Article (PDF):
Keywords:
Polymer-matrix composites, Buckling, Micro-mechanics, Finite element analysis
Publication dates:
Received: 16.01.2014, accepted: 23.05.2014, published:
Publication type:
Original scientific paper
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