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Crashworthiness and Failure Analyses of FRP Composite Tubes under Low Velocity Transverse Impact

Author

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  • Guangkai Wei

    (School of Aerospace Engineering and Applied Mechanics, Tongji University, Shanghai 200092, China
    School of System Design and Intelligent Manufacturing (SDIM), Southern University of Science and Technology, Shenzhen 518055, China)

  • Kunkun Fu

    (School of Aerospace Engineering and Applied Mechanics, Tongji University, Shanghai 200092, China)

  • Yuan Chen

    (School of System Design and Intelligent Manufacturing (SDIM), Southern University of Science and Technology, Shenzhen 518055, China)

Abstract

Currently, FRP composite tubes are drawing increasing attention in many industrial applications, due to their excellent mechanical and lightweight properties, with reduced energy consumption and enhanced sustainability. This study investigates the failure mechanisms and crashworthiness performance of glass and carbon fibre reinforced polymer (GFRP and CFRP) composite tubes under low velocity transverse impact. Finite element methods were developed to establish numerical models to predict the failure responses of FRP composite tubes with a complex ply sequence of both woven and unidirectional layers. In the modelling, continuum damage mechanics and cohesive zone method were used to calculate the intralaminar and interlaminar failure behaviours, respectively, in FRP composite tubes. The numerical models were validated by corresponding experiments, and the effects of the impact energy and material type were investigated. The experimental results show that the initial impact energy does not significantly affect the specific energy absorption (SEA) and peak force (PF) of GFRP composite tubes, and the SEA and PF are generally around 0.5 kJ/kg and 600 N, respectively, when the impact energy varies from 10 J to 50 J. Failure mechanism analyses show that GFRP tubes and CFRP tubes with totally unidirectional plies present global bending deformation with significant matrix damage, and CFRP tubes with “hybrid layer type” exhibit local penetration with severe fibre and matrix damage. The crashworthiness analyses indicate that CFRP tubes perform better in SEA while GFRP tubes possess smaller PF when subjected to low velocity transverse impact.

Suggested Citation

  • Guangkai Wei & Kunkun Fu & Yuan Chen, 2022. "Crashworthiness and Failure Analyses of FRP Composite Tubes under Low Velocity Transverse Impact," Sustainability, MDPI, vol. 15(1), pages 1-15, December.
    • Handle: RePEc:gam:jsusta:v:15:y:2022:i:1:p:56-:d:1009543
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    References listed on IDEAS

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    1. Timothy Jena & Sakdirat Kaewunruen, 2021. "Life Cycle Sustainability Assessments of an Innovative FRP Composite Footbridge," Sustainability, MDPI, vol. 13(23), pages 1-20, November.
    2. Yeou-Fong Li & Tseng-Hsing Hsu & Fu-Chr Hsieh, 2019. "A Study on Improving the Mechanical Behaviors of the Pultruded GFRP Composite Material Members," Sustainability, MDPI, vol. 11(3), pages 1-14, January.
    3. Xing-yan Shang & Jiang-tao Yu & Ling-zhi Li & Zhou-dao Lu, 2019. "Strengthening of RC Structures by Using Engineered Cementitious Composites: A Review," Sustainability, MDPI, vol. 11(12), pages 1-18, June.
    4. Afsaneh Valizadeh & Farhad Aslani, 2022. "Life-Cycle Assessment of Fibre-Reinforced Polymers Dwellings Compared to Traditional Structures," Sustainability, MDPI, vol. 14(19), pages 1-18, September.
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