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Finite Element Analysis of Thermal Deformation and Structural Optimization of Fiber Reinforced Composite Tailgate
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Tianfeng Zhao, Chang Wang, Shuangquan Xu, Tingting Li
Automobile Technology & Material | 2026, (9) : 52 - 59
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Automobile Technology & Material | 2026, (9): 52-59
Finite Element Analysis of Thermal Deformation and Structural Optimization of Fiber Reinforced Composite Tailgate
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Tianfeng Zhao, Chang Wang, Shuangquan Xu, Tingting Li
Affiliations
  • Chery Automobile Co., Ltd., Wuhu 241007
Published: 2026-09-20 doi: 10.19710/J.cnki.1003-8817.20250346
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To address the height flushness between the long glass fiber-reinforced composite tailgate and side panel after high-temperature exposure, this study combines real-vehicle solar exposure tests, oven aging tests, and finite element analysis. Results indicate that the material creep is the primary cause of the long-term cumulative deformation of the tailgate under high-temperature conditions. Both the optimization of inner-panel reinforcing ribs and the extension of the reinforcement plate can effectively disperse local stresses and suppress creep deformation. A feasibility analysis identifies the reinforcement plate extension as the optimal solution, as it corrects flushness without requiring mold modifications, while offering low cost and rapid implementation. These findings provide valuable insights for the design of similar polymer tailgates.

Long glass fiber reinforced composite  /  Tailgate  /  Creep  /  Structural optimization
赵天锋, 王畅, 徐双全, 李婷婷. 纤维增强复合材料行李箱盖热变形有限元分析与结构优化研究. 汽车工艺与材料, 2026 , (9) : 52 -59 . DOI: 10.19710/J.cnki.1003-8817.20250346
Tianfeng Zhao, Chang Wang, Shuangquan Xu, Tingting Li. Finite Element Analysis of Thermal Deformation and Structural Optimization of Fiber Reinforced Composite Tailgate[J]. Automobile Technology & Material, 2026 , (9) : 52 -59 . DOI: 10.19710/J.cnki.1003-8817.20250346
Year 2026 volume Issue 9
209
41
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doi: 10.19710/J.cnki.1003-8817.20250346
  • Online Date:2026-09-24
  • Published:2026-09-20
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    Chery Automobile Co., Ltd., Wuhu 241007
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表12种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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