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在轴向压缩下,泡绕CFRP复合结构的机械特性
Hui Zhou1, Yao Jiang1, Guanghui Yang2,3
1School of Logistics, Central South University of Forestry and Technology, Changsha, 410004, China.
Heliyon
|June 3, 2024
概括
一种新的泡绕碳纤维增强聚合物结构 (CFRP-FA-FW) 显著增加了超过113%的能量吸收. 这种轻量级的设计为先进的应用提供了更好的特定能量吸收.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 复合材料 复合材料 复合材料
背景情况:
- 能量吸收结构对于减轻影响至关重要.
- 碳纤维增强聚合物 (CFRPs) 提供高特异性能量吸收.
- 泡提供了出色的压缩特性.
研究的目的:
- 设计和评估一种新的轻量化能吸收结构,将CFRP和泡结合起来.
- 为了研究设计结构的准静态轴向压缩行为.
- 分析材料参数对结构能量吸收能力的影响.
主要方法:
- 对CFRP-FA-FW结构进行准静态压缩测试.
- 设计和制造泡绕 CFRP 结构.
- 用于参数分析的有限元模拟.
主要成果:
- 与CFRP-FA.FW相比,CFRP-FA-FW的能量吸收增加了113.55%,特定能量吸收增加了60.73%,而CFRP-FA.
- [0°/90°]ns和[45°]ns的纤维铺设角度导致更高的能量吸收和更顺的过程.
- 增加了碳纤维堆积厚度,显著提高了能量吸收效率.
结论:
- 结合的CFRP-FA-FW结构提供了卓越的能量吸收特性.
- 优化纤维布局和厚度是最大化性能的关键.
- 开发的结构为能量吸收提供了一个有前途的轻量化解决方案.
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