Preprint Article Version 1 NOT YET PEER-REVIEWED

New Micromechanical Model for Predicting Biaxial Tensile Moduli of Plain Weave Fabric Composites

  1. School of Transportation Science and Engineering, Beihang University, Beijing, 100191, People’s Republic of China
Version 1 : Received: 16 November 2016 / Approved: 16 November 2016 / Online: 16 November 2016 (13:34:41 CET)

How to cite: Bai, J.; Xiong, J.; Wang, Q. New Micromechanical Model for Predicting Biaxial Tensile Moduli of Plain Weave Fabric Composites. Preprints 2016, 2016110084 (doi: 10.20944/preprints201611.0084.v1). Bai, J.; Xiong, J.; Wang, Q. New Micromechanical Model for Predicting Biaxial Tensile Moduli of Plain Weave Fabric Composites. Preprints 2016, 2016110084 (doi: 10.20944/preprints201611.0084.v1).

Abstract

This paper addresses a new micromechanical model to predict biaxial tensile moduli of plain weave fabric (PWF) composites by considering the interaction between the orthogonal interlacing strands. The two orthogonal yarns in micromechanical unit cell (UC) were idealized as the curved beams with a path depicted by using sinusoidal shape functions. The biaxial tensile moduli of PWF composites were derived by means of the minimum total complementary potential energy principle founded on micromechanics. The biaxial tensile tests were respectively conducted on the RTM-made EW220/5284 PWF composites at five biaxial loading ratios of 0, 1, 2, 3 and ∞ to validate the new model. The predictions from the new model were compared with experimental data and good correlation was achieved between the predictions and actual experiments, demonstrating the practical and effective use of the proposed model. Using the new model, the biaxial tensile moduli of plain weave fabric (PWF) composites could be predicted based only on the properties of basic woven fabric.

Subject Areas

textile composite; biaxial tensile; modulus; plain weave fabric (PWF)

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