Meso-Geometric Modeling and Failure Behavior of 2.5D Three-Harness-Twill Warp-Reinforced Woven Composites

IF 2.3 4区材料科学 Q3 MATERIALS SCIENCE, COMPOSITES Applied Composite Materials Pub Date : 2023-12-18 DOI:10.1007/s10443-023-10185-x

Junhua Guo, Gaofeng Zhou, Huabing Wen, Hongjian Zhang, Haitao Cui, Weidong Wen, Chun Guo, Yifan Zhang

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Abstract

A novel material, i.e. 2.5D three-harness-twill warp-reinforced woven composites (2.5D-THT-WR-WC), is proposed, which has wide engineering applications. In this work, geometrical relationships with different meso features are discussed through X-CT characterization. On this basis, six unit-cell models with different meso geometrical features are established considering different weft yarn arrangement densities M_F, and numerical simulations are carried out combined with a developed progressive damage model. Comparison with the experimental results shows that the maximum prediction errors of modulus and strength are 6.3% and 11.7%, respectively. Therefore, the developed numerical simulation model can reasonably predict the mechanical behavior of 2.5D-THT-WR-WC. Additionally, as the M_F increases, the mechanical properties in the warp and weft directions decrease and increase, respectively, owing to the inclination angle and the extrusion condition between adjacent layers of the binder yarns. This work provides a design reference for the structural application of 2.5D-THT-WR-WC, which has a significant engineering value.

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2.5D 三线束斜纹经编复合材料的介观几何建模和失效行为

本文提出了一种新型材料，即 2.5D 三纬线经纱增强编织复合材料（2.5D-THT-WR-WC），这种材料在工程领域有着广泛的应用。在这项工作中，通过 X-CT 表征，讨论了不同中间特征的几何关系。在此基础上，考虑到不同的纬纱排列密度 MF，建立了六个具有不同介观几何特征的单元格模型，并结合建立的渐进损伤模型进行了数值模拟。与实验结果比较显示，模量和强度的最大预测误差分别为 6.3% 和 11.7%。因此，所建立的数值模拟模型可以合理地预测 2.5D-THT-WR-WC 的力学行为。此外，随着 MF 的增加，经向和纬向的机械性能会分别降低和增加，这主要是由于倾斜角和相邻层粘合剂纱线之间的挤压条件造成的。这项研究为 2.5D-THT-WR-WC 的结构应用提供了设计参考，具有重要的工程价值。

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来源期刊

Applied Composite Materials 工程技术-材料科学：复合

CiteScore

4.20

自引率

4.30%

发文量

审稿时长

1.6 months

期刊介绍： Applied Composite Materials is an international journal dedicated to the publication of original full-length papers, review articles and short communications of the highest quality that advance the development and application of engineering composite materials. Its articles identify problems that limit the performance and reliability of the composite material and composite part; and propose solutions that lead to innovation in design and the successful exploitation and commercialization of composite materials across the widest spectrum of engineering uses. The main focus is on the quantitative descriptions of material systems and processing routes. Coverage includes management of time-dependent changes in microscopic and macroscopic structure and its exploitation from the material''s conception through to its eventual obsolescence.