Abstract

Abstract In this article, the manufacture of dry fiber noncrimp fabrics (NCFs) and the effects of stitching on the geometrical, processing, and mechanical properties of NCF and their polymer matrix composites are described. The terminology used in the context of these products is described and the motivation to consider and use NCF as compared to other fiber products is outlined. The types of stitching used to produce NCF products and complex structural preforms, the effects of stitching on the NCF geometry, and available modeling approaches are presented. The characteristics of the liquid resin infusion process into NCF fabrics and dry fiber preforms are described. Furthermore, effects of stitching on the mechanical properties of composites with NCF reinforcement subjected to static, cyclic fatigue, creep, and high strain rate loading are presented. The article is concluded by a brief outline of simulation models for the prediction of NCF permeability, resin infusion, and mechanical properties.

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