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首页> 美国卫生研究院文献>Materials >Axial Compression Experiments and Finite Element Analysis of Basalt Fiber/Epoxy Resin Three-Dimensional Tubular Woven Composites
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Axial Compression Experiments and Finite Element Analysis of Basalt Fiber/Epoxy Resin Three-Dimensional Tubular Woven Composites

机译：玄武岩纤维/环氧树脂三维管状编织复合材料的轴向压缩实验及有限元分析

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摘要

In order to avoid the delamination of traditional tubular composite materials and reduce its woven cost, on an ordinary loom, the three-dimensional (3D) tubular woven fabrics were woven with basalt filament tows, and then the 3D tubular woven composites were prepared with epoxy resin by a hand layup process. The wall thickness of the 3D tubular woven composite was thin, and was only 2 mm thick. Through experiments and finite element method (FEM) simulation, the axial compression properties of the material were analyzed. The results show that the material 2 mm thick has good axial compression performance, the maximum load value of the experiment is 10,578 N, and the maximum load value of the finite element simulation is 11,285 N. The error between the two is 6.68%, indicating that the experiment and simulation have a good consistency. The failure mode of the material is also analyzed through finite element method simulation in the paper, thus revealing the failure stress propagation, local stress concentration, and failure morphology of the material. It provides an effective reference for the design and application of the 3D tubular woven composite.
机译：为了避免传统管状复合材料的分层并降低其织造成本，在普通织机上，用玄武岩长丝丝束编织三维（3D）管状织造织物，然后用环氧树脂制备3D管状织造复合材料树脂通过手工上胶工艺。 3D管状编织复合材料的壁厚很薄，只有2 mm厚。通过实验和有限元方法（FEM）模拟，分析了材料的轴向压缩特性。结果表明，厚度为2 mm的材料具有良好的轴向压缩性能，实验的最大载荷值为10,578 N，有限元模拟的最大载荷值为11,285N。两者之间的误差为6.68％，表明实验与仿真具有很好的一致性。通过有限元方法模拟，分析了材料的失效模式，从而揭示了材料的失效应力传播，局部应力集中和失效形态。它为3D管状机织复合材料的设计和应用提供了有效的参考。

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