Effect of Fiber Length and Orientation Distribution on the Elastic Modulus in Needle Punched Carbon Epoxy Composites
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Abstract
This paper presents the application of Eshelby-Mori-Tanaka-based micromechanical models for the properties prediction of misoriented carbon fiber composites. Fiber orientation and length distribution are used in property prediction. Empirical models, which capture the distribution of fiber orientation and fiber length in each direction are used in this study. Carbon epoxy composites, made from needle-punched carbon felt, are used in the paper. Fiber orientation and length distributions are determined for this composite. The empirical model was calibrated with the data obtained from needle-punched carbon epoxy composites. The effect of orientation and aspect ratio on the elastic modulus of composites is studied in this study. The prediction has been validated through the experimental results.
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