聚氨酯泡沫填充碳纤维三向织物复合材料薄壁管的吸能特性研究

doi:10.19936/j.cnki.2096-8000.20231028.014

复合材料科学与工程 ›› 2023, Vol. 0 ›› Issue (10): 101-108.DOI: 10.19936/j.cnki.2096-8000.20231028.014

聚氨酯泡沫填充碳纤维三向织物复合材料薄壁管的吸能特性研究

陶宜强^1,2, 张洪华^1,2, 李炜^1,2,3*

1.东华大学纺织学院,上海201620;
2.东华大学民用航空复合材料协同创新中心,上海201620;
3.产业用纺织品教育部工程研究中心,上海201620

收稿日期:2022-09-14 出版日期:2023-10-28 发布日期:2023-12-13
通讯作者: 李炜(1971—),女,博士,教授,博士生导师,主要从事碳纤维复合材料的性能方面的研究,liwei@dhu.edu.cn。
作者简介:陶宜强(1996—),男,硕士研究生,主要从事碳纤维三向织物复合材料薄壁管吸能特性方面的研究。

Study on energy absorption characteristics of thin wall tube of carbon fiber triaxial fabric composite filled with polyurethane foam

TAO Yiqiang^1,2, ZHANG Honghua^1,2, LI Wei^1,2,3*

1. Textile College, Donghua University, Shanghai 201620, China;
2. Civil Aviation Composite Collaborative Innovation Center, Donghua University, Shanghai 201620, China;
3. Engineering Research Center for Industrial Textiles, Ministry of Education, Shanghai 201620, China

Received:2022-09-14 Online:2023-10-28 Published:2023-12-13

摘要/Abstract

摘要： 本文对聚氨酯泡沫填充的碳纤维三向编织管进行吸能性能研究,采用准静态轴压的试验方法研究了三向编织管的破坏模式及不同经纬纱的叠层配比对复合管耐压性的影响,通过对压缩过程、经纬纱受力及破坏形貌的观察,分析经纬纱在吸能过程中的作用,并引入权重评价分析。结果发现:纬纱的增多可以显著提高总吸能与比吸能,但载荷效率明显下降;经纱增多可以提供横向束缚,且可以延长三向编织管的压缩行程,但比吸能有不同程度下降。不同经纬纱配比对交织点处破坏模式有着显著影响,其中C₂C₂与C₃C₂交织点几乎不参与压缩破坏;C₂C₄与C₃C₄参与破坏程度更高,且C₃C₄有着更为稳定的变形失效过程。

关键词: 三向织物, 吸能管, 聚氨酯泡沫, 复合材料

Abstract: In this paper, the energy absorption performance of carbon fiber triaxial woven tubes filled with polyurethane foam was studied. The failure mode of triaxial woven tube and the ratio of different weft yarn of laminated on the impact of pipe pressure was studied by the quasi static axial compression experiment method, based on the compression process, the count of yarn stress and failure morphology observation, the role of weft yarn in endergonic process was analyzed, and the weight evaluation analysis was introduced. The results show that the increase of weft yarn can significantly improve the total energy absorption and specific energy absorption, but the load efficiency is obviously decreased. The increase of warp can provide transverse binding and extend the compression stroke of the triaxial fabric tube, but the specific energy absorption decreases to different degrees. Different warp and weft ratios have significant effects on the failure modes at interleaving points, and the interleaving points of C₂C₂ and C₃C₂ almost do not participate in compression failure. C₂C₄ and C₃C₄ are more involved in the failure, and C₃C₄ has a more stable deformation failure process.

Key words: triaxial fabric, energy absorption tube, polyurethane foam, composite materials

中图分类号:

TB332

陶宜强, 张洪华, 李炜. 聚氨酯泡沫填充碳纤维三向织物复合材料薄壁管的吸能特性研究[J]. 复合材料科学与工程, 2023, 0(10): 101-108.

TAO Yiqiang, ZHANG Honghua, LI Wei. Study on energy absorption characteristics of thin wall tube of carbon fiber triaxial fabric composite filled with polyurethane foam[J]. COMPOSITES SCIENCE AND ENGINEERING, 2023, 0(10): 101-108.

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聚氨酯泡沫填充碳纤维三向织物复合材料薄壁管的吸能特性研究

Study on energy absorption characteristics of thin wall tube of carbon fiber triaxial fabric composite filled with polyurethane foam

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