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FE-modeling of damage of twill carbon/epoxy composite on meso-scale, materials characterization and experimental verification

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Abstract
Aim of this work is to evaluate the damage in twill carbon/epoxy composites on meso-scale level (fabric unit cell level). Averaged stiffness, Poisson ratios of pre- and post damage phase are calculated based on numerical homogenization technique with periodic boundary conditions (PBCs). The static strengths and initiation of the damage are calculated and validated by experiments. The anisotropic stiffness degradation model is implemented into Abaqus (R) UMAT. The algorithm of quasi-static damage is further used to model the cycles of the fatigue loading, together with the experimental S-N curves of unidirectional composite (UD), utilized as input data for the impregnated yarns. The output of the model is S-N curve of textile composites.
Keywords
LIFE PREDICTION, TEXTILE COMPOSITES, FATIGUE, meso-scale, woven composite, fatigue damage, finite elements, stiffness degradation method, multi-axial fatigue

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Citation

Please use this url to cite or link to this publication:

Chicago
Xu, Jian, Stepan Lomov, Ignaas Verpoest, Subbareddy Daggumati, Wim Van Paepegem, Joris Degrieck, and M Olave. 2010. “FE-modeling of Damage of Twill Carbon/epoxy Composite on Meso-scale, Materials Characterization and Experimental Verification.” In Recent Advances in Textile Composites, ed. C Binetruy and F Boussu, 44–52. Lancaster, PA, USA: Destech Publications.
APA
Xu, Jian, Lomov, S., Verpoest, I., Daggumati, S., Van Paepegem, W., Degrieck, J., & Olave, M. (2010). FE-modeling of damage of twill carbon/epoxy composite on meso-scale, materials characterization and experimental verification. In C. Binetruy & F. Boussu (Eds.), Recent advances in textile composites (pp. 44–52). Presented at the 10th International conference on Textile Composites (TEXCOMP 10), Lancaster, PA, USA: Destech Publications.
Vancouver
1.
Xu J, Lomov S, Verpoest I, Daggumati S, Van Paepegem W, Degrieck J, et al. FE-modeling of damage of twill carbon/epoxy composite on meso-scale, materials characterization and experimental verification. In: Binetruy C, Boussu F, editors. Recent advances in textile composites. Lancaster, PA, USA: Destech Publications; 2010. p. 44–52.
MLA
Xu, Jian, Stepan Lomov, Ignaas Verpoest, et al. “FE-modeling of Damage of Twill Carbon/epoxy Composite on Meso-scale, Materials Characterization and Experimental Verification.” Recent Advances in Textile Composites. Ed. C Binetruy & F Boussu. Lancaster, PA, USA: Destech Publications, 2010. 44–52. Print.
@inproceedings{1251867,
  abstract     = {Aim of this work is to evaluate the damage in twill carbon/epoxy composites on meso-scale level (fabric unit cell level). Averaged stiffness, Poisson ratios of pre- and post damage phase are calculated based on numerical homogenization technique with periodic boundary conditions (PBCs). The static strengths and initiation of the damage are calculated and validated by experiments. The anisotropic stiffness degradation model is implemented into Abaqus (R) UMAT. The algorithm of quasi-static damage is further used to model the cycles of the fatigue loading, together with the experimental S-N curves of unidirectional composite (UD), utilized as input data for the impregnated yarns. The output of the model is S-N curve of textile composites.},
  author       = {Xu, Jian and Lomov, Stepan and Verpoest, Ignaas and Daggumati, Subbareddy and Van Paepegem, Wim and Degrieck, Joris and Olave, M},
  booktitle    = {Recent advances in textile composites},
  editor       = {Binetruy, C and Boussu, F},
  isbn         = {9781605950266},
  keyword      = {LIFE PREDICTION,TEXTILE COMPOSITES,FATIGUE,meso-scale,woven composite,fatigue damage,finite elements,stiffness degradation method,multi-axial fatigue},
  language     = {eng},
  location     = {Lille, France},
  pages        = {44--52},
  publisher    = {Destech Publications},
  title        = {FE-modeling of damage of twill carbon/epoxy composite on meso-scale, materials characterization and experimental verification},
  year         = {2010},
}

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