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

doi:10.19936/j.cnki.2096-8000.20231028.014

Abstract

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

CLC Number:

TB332

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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