Preparation and compressive properties of carbon fiber reinforced braided composite circular tubes

被引：0
|
作者：
Gu Y. [1 ]
Zhang D. [1 ,2 ]
Jia M. [1 ]
Qian K. [1 ]
机构：
[1] Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi, 214122, Jiangsu
[2] Anhui Province College Key Laboratory of Textile Fabrics, Wuhu, 241000, Anhui
来源：
Fangzhi Xuebao/Journal of Textile Research | 2019年 / 40卷 / 07期
关键词：
Braided composite; Compression test; Destruction mode; Energy absorption characteristic; Resin transfer molding;
D O I：
10.13475/j.fzxb.20180707607
中图分类号：
学科分类号：
摘要：
In order to further explore the influence of braid structure and length on the compression performance of composite circular tubes, two-dimensional over-braiding and three-dimensional four-directional braided circular tubes were manufactured by a resin transfer molding process. The compression mechanical behavior of four composite tube samples were obtained by quasi-static axial compression test. Combined with high-speed photographic recording, the failure process and failure mode of braided composite tubes were analyzed, and the compression failure mechanism was explored. The results show that the two braided structure tubes show elastoplastic characteristics, while the 3-D braided tube shows better compression bearing capacity, and has the compressive modulus and load peaks of 5.91 GPa and 14.23 kN, respectively. The samples exhibit several or all combinations of failure modes such as fiber breakage, matrix cracking, debonding, petal destruction, shearing and extrusion buckling. The progressive failure characteristics of the two-dimensional braided composite tubes are more obvious, and have better energy absorption characteristics. The compression modulus of the two-dimensional braided composite circular tubes increases with the length of the composite circular tubes, but the energy absorption effect is nonlinear with the length of the sample. Copyright No content may be reproduced or abridged without authorization.
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页码：71 / 77
页数：6
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