Variability in fiber architecture and content introduces randomness in transport and mechanical properties of textile reinforcements and composites. Assessment of robustness of both manufacturing processes and composite parts require to link fabric variability to dominant properties. Irregular injection flow patterns or defects in the final products often occur due to the high variability in the fibrous media. Therefore, manufacturing robustness and part reliability have to be studied to avoid trial and error procedures. This study focuses on spatial variability in the fiber volume fraction and architecture and their influence on permeability of fiber reinforcements and mechanical performance of textile composite, relating these important properties to variation in reinforcement architecture. Methods to capture experimentally and model numerically the fabric randomness are presented and illustrated on typical non-woven fabrics. An efficient numerical approach is presented for the simulation of mold filling process with random fibrous permeability as input. Numerical examples for different injection schemes are presented to demonstrate the ability of the current approach in predicting the variability in mold filling results.
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ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis
July 2–4, 2012
Nantes, France
Conference Sponsors:
- International
ISBN:
978-0-7918-4486-1
PROCEEDINGS PAPER
Identification and Modeling of Variability in Fabrics Used as Reinforcement in Polymer Composites: Influence on Transport and Mechanical Properties Available to Purchase
Christophe Binetruy,
Christophe Binetruy
Ecole Centrale de Nantes, Nantes, France
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Sébastien Comas-Cardona,
Sébastien Comas-Cardona
Ecole Centrale de Nantes, Nantes, France
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Fan Zhang
Fan Zhang
Ecole des Mines de Douai, Douai, France
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Christophe Binetruy
Ecole Centrale de Nantes, Nantes, France
Sébastien Comas-Cardona
Ecole Centrale de Nantes, Nantes, France
Fan Zhang
Ecole des Mines de Douai, Douai, France
Paper No:
ESDA2012-82581, pp. 63-67; 5 pages
Published Online:
August 12, 2013
Citation
Binetruy, C, Comas-Cardona, S, & Zhang, F. "Identification and Modeling of Variability in Fabrics Used as Reinforcement in Polymer Composites: Influence on Transport and Mechanical Properties." Proceedings of the ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis. Volume 3: Advanced Composite Materials and Processing; Robotics; Information Management and PLM; Design Engineering. Nantes, France. July 2–4, 2012. pp. 63-67. ASME. https://doi.org/10.1115/ESDA2012-82581
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