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Particularities of Modelling the Mechanical Properties of Woven Composite Fabrics

机译：编织复合织物力学性能建模的特征

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The mechanical properties of composite fabrics rely on a fabric made by a textile weaving process. In order to use their special ability of being drapeable, instead of just plain weave fabrics, satin or twill reinforcement can be selected. Although some other advantages of the resulting composite, such as good impact resistance or damage tolerance are similar to all woven reinforcement composites, the superior drapeability of satin is a major reason to favour this type of textile reinforcement. This paper is focused on the modelling procedures of stiffness characteristics, specific to satin reinforced laminated composites, using a semi-discrete approach. This method is a compromise between the continuous and pure discrete approaches and is associated with a mesoscopic analysis of the repetitive unit cell (RUC). The elastic properties of the textile reinforced epoxy composite, namely longitudinal modulus and transverse modulus, in case of carbon and fibre glass based 5-harness satin reinforcement, are determined. The differences between the two resulting composite materials and the influence of the various geometric and material parameters involved are studied.
机译：复合织物依赖于纺织织造工艺制造的织物的机械性能。为了利用它们的特殊能力，可以选择涂抹织物，而不是简单的编织面料，可以选择缎面或斜纹垫。虽然所得复合材料的其他一些优点，如良好的抗冲击性或损坏耐受性，但是与所有织造的增强复合材料相似，缎面的优越易包装是有利于这种纺织加强件的主要原因。本文采用半离散方法专注于缎纹增强层压复合材料的刚度特性的建模程序。该方法是连续和纯离散方法之间的折衷，并且与重复单元电池（RUC）的介观分析相关联。确定纺织品增强环氧复合材料，即纵向模量和横向模量，在基于碳和纤维玻璃的5线束缎面增强物的弹性性能。研究了两个所得到的复合材料与所涉及的各种几何和材料参数的影响之间的差异。

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