Crashworthiness of GFRP/aluminum hybrid square tubes under quasi-static compression and single/repeated impact
Thin-walled structures comprised of fiber-reinforced polymer (FRP) composites and metal excel in achieving a balanced design in terms of material cost, weight savings, and mechanical performance. This study aims to explore the crushing characteristics and failure mechanism of square hollow aluminum...
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| Format: | Article |
| Language: | English |
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De Gruyter
2024-12-01
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| Series: | e-Polymers |
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| Online Access: | https://doi.org/10.1515/epoly-2024-0101 |
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| author | Zhang Liangliang Li Chaojiang Chen Yilong Chen Yida Su Zhihao Wu Ye Wu Qiulan Wan Yun |
| author_facet | Zhang Liangliang Li Chaojiang Chen Yilong Chen Yida Su Zhihao Wu Ye Wu Qiulan Wan Yun |
| author_sort | Zhang Liangliang |
| collection | DOAJ |
| description | Thin-walled structures comprised of fiber-reinforced polymer (FRP) composites and metal excel in achieving a balanced design in terms of material cost, weight savings, and mechanical performance. This study aims to explore the crushing characteristics and failure mechanism of square hollow aluminum tubes wrapped with glass FRP (GFRP) fabricated by vacuum-assisted resin infusion with six types of lay-up directions. Axial quasi-static compression and single/repeated low-velocity impact (LVI) are conducted to investigate their failure evolution and energy absorption properties, such as the specific energy absorption (SEA), mean crushing force (MCF), peak crushing force (PCF), and crushing force efficiency (CFE). The synergy among oblique, axial, and circumferential GFRP ply, which enhances strength and reduces out-of-plane deformation in the structure, is maximized by using the antisymmetric angle ply rather than the single angle ply. Under these three loading modes, the cases with a [0°/90°]2 lay-up have excellent crashworthiness indicators, including PCF, SEA, and MCF. Meanwhile, compared with the pure aluminum tube, both the SEA and CFE are improved simultaneously by up to 158% and 121% during the single LVI test. The study focuses on the influence of stacking configurations on crashworthiness and further explores the potential and application of such hybrid structures. |
| format | Article |
| id | doaj-art-650a53041e744d77a6439493258c04bd |
| institution | Kabale University |
| issn | 1618-7229 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | De Gruyter |
| record_format | Article |
| series | e-Polymers |
| spelling | doaj-art-650a53041e744d77a6439493258c04bd2025-01-07T07:55:43ZengDe Gruytere-Polymers1618-72292024-12-01241e0194210710.1515/epoly-2024-0101Crashworthiness of GFRP/aluminum hybrid square tubes under quasi-static compression and single/repeated impactZhang Liangliang0Li Chaojiang1Chen Yilong2Chen Yida3Su Zhihao4Wu Ye5Wu Qiulan6Wan Yun7Zhongmei Engineering Group LTD, Nanchang, ChinaSchool of Civil Engineer and Architecture, East China Jiaotong University, Nanchang, ChinaSchool of Civil Engineer and Architecture, East China Jiaotong University, Nanchang, ChinaSchool of Civil and Architecture Engineering, Nanchang Institute of Technology, Nanchang, ChinaSchool of Civil and Architecture Engineering, Nanchang Institute of Technology, Nanchang, ChinaSchool of Civil and Architecture Engineering, Nanchang Institute of Technology, Nanchang, ChinaSchool of Civil Engineer and Architecture, East China Jiaotong University, Nanchang, ChinaSchool of Civil Engineer and Architecture, East China Jiaotong University, Nanchang, ChinaThin-walled structures comprised of fiber-reinforced polymer (FRP) composites and metal excel in achieving a balanced design in terms of material cost, weight savings, and mechanical performance. This study aims to explore the crushing characteristics and failure mechanism of square hollow aluminum tubes wrapped with glass FRP (GFRP) fabricated by vacuum-assisted resin infusion with six types of lay-up directions. Axial quasi-static compression and single/repeated low-velocity impact (LVI) are conducted to investigate their failure evolution and energy absorption properties, such as the specific energy absorption (SEA), mean crushing force (MCF), peak crushing force (PCF), and crushing force efficiency (CFE). The synergy among oblique, axial, and circumferential GFRP ply, which enhances strength and reduces out-of-plane deformation in the structure, is maximized by using the antisymmetric angle ply rather than the single angle ply. Under these three loading modes, the cases with a [0°/90°]2 lay-up have excellent crashworthiness indicators, including PCF, SEA, and MCF. Meanwhile, compared with the pure aluminum tube, both the SEA and CFE are improved simultaneously by up to 158% and 121% during the single LVI test. The study focuses on the influence of stacking configurations on crashworthiness and further explores the potential and application of such hybrid structures.https://doi.org/10.1515/epoly-2024-0101hybrid structureenergy absorptionaxial quasi-static compressionsingle/repeated low-velocity impactlay-up sequence |
| spellingShingle | Zhang Liangliang Li Chaojiang Chen Yilong Chen Yida Su Zhihao Wu Ye Wu Qiulan Wan Yun Crashworthiness of GFRP/aluminum hybrid square tubes under quasi-static compression and single/repeated impact e-Polymers hybrid structure energy absorption axial quasi-static compression single/repeated low-velocity impact lay-up sequence |
| title | Crashworthiness of GFRP/aluminum hybrid square tubes under quasi-static compression and single/repeated impact |
| title_full | Crashworthiness of GFRP/aluminum hybrid square tubes under quasi-static compression and single/repeated impact |
| title_fullStr | Crashworthiness of GFRP/aluminum hybrid square tubes under quasi-static compression and single/repeated impact |
| title_full_unstemmed | Crashworthiness of GFRP/aluminum hybrid square tubes under quasi-static compression and single/repeated impact |
| title_short | Crashworthiness of GFRP/aluminum hybrid square tubes under quasi-static compression and single/repeated impact |
| title_sort | crashworthiness of gfrp aluminum hybrid square tubes under quasi static compression and single repeated impact |
| topic | hybrid structure energy absorption axial quasi-static compression single/repeated low-velocity impact lay-up sequence |
| url | https://doi.org/10.1515/epoly-2024-0101 |
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