Low-velocity impact and static behaviors of high-resilience thermal-bonding inter/intra-ply hybrid composites |
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| Affiliation: | 1. School of Textiles, Tianjin Polytechnic University, Tianjin 300387, China;2. Institute of Biomedical Engineering and Material Science, Central Taiwan University of Science and Technology, Taichung 40601, Taiwan;3. Laboratory of Fiber Application and Manufacturing, Department of Fiber and Composite Materials, Feng Chia University, Taichung 40724, Taiwan;4. School of Chinese Medicine, China Medical University, Taichung 40402, Taiwan;5. Department of Fashion Design, Asia University, Taichung 41354, Taiwan;1. Faculty of Mechanical Engineering, University of Engineering and Technology, Av. Cascanueces 2281, Santa Anita, Lima, Peru;2. Faculty of Mechanical Engineering, National University of Engineering, Av. Túpac Amaru 210, Rimac, Lima, Peru;1. CT2M – Centre for Mechanical and Materials Technologies, University of Minho, Azurém, 4800-058 Guimarães, Portugal;2. Cross–Border Faculty of Humanities, Economics and Engineering, University of Galati, Dunarea de Jos, Domneasca 47, 800008 Galati, Romania;1. Institute of Vibration, Shock and Noise, State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, 800 Dong Chuan Road, 200240 Shanghai, PR China;2. Naval Research Center, 100073 Beijing, Box 1303-14, PR China;1. Faculty of Natural Science and Mathematics, University of Priština, Lole Ribara 29, 38220 Kosovska Mitrovica, Serbia;2. Tigar, Nikole Pašića 213, 18300 Pirot, Serbia;3. Institute of Nuclear Science Vinča, University of Belgrade, Mike Petrovića Alasa 12-14, 11000 Belgrade, Serbia;1. LGCgE – Université Lille Nord de France F59000, FSA – Université d’Artois, Technoparc Futura, 62400 Bethune, France;2. School of Civil, Environmental, and Architectural Engineering, Korea University, Seoul, Republic of Korea |
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| Abstract: | This study prepared inter/intra-ply hybrid composites reinforced with sandwich-structure recycled Kevlar nonwoven/glass woven compound fabric. Negative-depth needle punching and thermal bonding were applied to strengthen the structure with two compound cover plies and a fluffy cushioning center ply. The effects of center ply areal density, needle punching depth, and fiber blending ratio on the static and dynamic impact resistance behaviors of the composites were investigated. The results indicated that areal density significantly influenced the static and dynamic impact behaviors, which were both enhanced by the promotion of thermal-bonding points. As the needle punching deepened, the static and dynamic puncture resistances represented opposite tendencies because of different failure mechanisms. Static friction was the dominant factor for static puncture resistance, whereas kinetic friction was the dominant factor for dynamic puncture resistance. A similar phenomenon was observed when fiber blending ratio was varied. In terms of the non-penetrating dynamic cushioning test, areal density was the most distinct influence factor on cushioning behavior and the hybrid composites sample with an areal density of 700 g/m2 could eliminate up to 66.5% of the incident force. Therefore, the inter/intra-ply hybrid composites showed high impact resistance and excellent dynamic cushioning property. |
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| Keywords: | A. Hybrid A. Recycling B. Mechanical properties D. Mechanical testing |
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