A novel analytical model for predicting the compression modulus of 2D PWF composites

作者：Cheng X; Xiong J J^*

来源：Composite Structures, 2009, 88(2): 296-303.

DOI：10.1016/j.compstruct.2008.04.005

• Textile composites
• Mechanical properties
• Elastic properties
• Resin transfer moulding (RTM)

This paper seeks to address a novel model for predicting the compression modulus of a 2D plain weave fabric (PWF) composite accounting for the interaction of orthogonal interlacing strands. The two orthogonal yarns in a micromechanical unit cell are idealized as curved beams with a path depicted by using sinusoidal shape functions. The modulus is derived by means of a strain energy approach founded on micromechanics. In order to validate the model, experiments have been performed to investigate the mechanical properties of two-dimensional (2D) orthogonal EW220/5284 PWF composites fabricated by resin transfer moulding (RTM). In-plane tensile, compressive and shear moduli have been measured. It is shown that the experimental results correlate well with predictions from the new model.

• 出版日期2009-4
• 单位北京航空航天大学