抗低速冲击纺织复合材料头盔壳体研究进展

Research progress of textile composite helmet shell against low-velocity impact

为深入了解和提高抗低速冲击纺织复合材料头盔壳体性能,对比分析了纺织复合材料头盔壳体的二维、三维预制件结构特征及其在头盔壳体应用过程中存在的优缺点,介绍了模压法、气囊加压法和真空袋压法3种复合材料头盔壳体成型工艺及其产品特点,并从头盔壳体的抗冲击性能指标、性能测试以及数值模拟3个方面重点总结了纺织复合材料头盔壳体抗冲击性能研究的最新进展;最后在已有研究基础上,针对纺织复合材料抗低速冲击头盔壳体研究的不足,提出可开发一体成形头盔壳体预制件并探究成型工艺对头盔壳体性能的影响,以及重点研究复合材料头盔壳体低速冲击损伤机制。

In order to deeply understand and improve the performance of textile composite helmet shell against low-velocity impact,the structural characteristics of two-and three-dimensional preform of the textile composite helmet shell and the advantages and disadvantages of each fabric structure in the application of helmet shell were compared and analyzed.The molding process and product characteristics of three types of helmet shells including molding method,inflatable bladder molding method,and vacuum bag method were introduced.The latest global research progress on the impact resistance of textile composite helmet shell was summarized from three aspects,namely,impact performance index,experimental research,and numerical simulation.Based on previous studies,the paper highlighted the necessity of further research on textile composite helmet shell against low-velocity impact because of the important research significance,such as the development of integrated forming of helmet shell preform,the exploration of the molding process on the performance of the helmet shell,and the research on the damage mechanism of the helmet shell.