Blunt Trauma Resistance of Graphene and Polyethylene-modified Aramid Fabrics under Ballistic Impact

Zhe WANG; Peng LIU; Jing CHEN; Guangyan HUANG; Hong ZHANG

doi:10.12382/bgxb.2022.0578

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Blunt Trauma Resistance of Graphene and Polyethylene-modified Aramid Fabrics under Ballistic Impact

更新时间：2025-08-18

- Blunt Trauma Resistance of Graphene and Polyethylene-modified Aramid Fabrics under Ballistic Impact
- Acta Armamentarii Vol. 45, Issue 1, Pages: 35-43(2024)
- 作者机构：
  
  1. 北京理工大学爆炸科学与技术国家重点实验室, 北京 100081
  2. 北京理工大学重庆创新中心现代兵器技术实验室, 重庆 401120
- 作者简介：
- 基金信息：
- DOI：10.12382/bgxb.2022.0578
  CLC：
- Received：28 June 2022，
  
  Published Online：06 February 2024，
  
  Published：30 January 2024
- 稿件说明：
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Zhe WANG, Peng LIU, Jing CHEN, et al. Blunt Trauma Resistance of Graphene and Polyethylene-modified Aramid Fabrics under Ballistic Impact[J]. Acta Armamentarii, 2024, 45(1): 35-43.
DOI：

Zhe WANG, Peng LIU, Jing CHEN, et al. Blunt Trauma Resistance of Graphene and Polyethylene-modified Aramid Fabrics under Ballistic Impact[J]. Acta Armamentarii, 2024, 45(1): 35-43. DOI： 10.12382/bgxb.2022.0578.

摘要

芳纶凭借其轻质高强的特点广泛应用于防弹领域。为提高单层芳纶织物的抗钝伤能力

采用热塑性树脂聚乙烯(Polythene

PE)与石墨烯纳米粒子表面改性方法提升芳纶织物的抗钝伤性能。以背衬凹陷为标准

对不同质量配比改性芳纶织物的抗钝伤能力和能量吸收特性进行测试对比。对比结果表明:石墨烯和PE两种改性方法均可提升芳纶织物的抗钝伤能力

其中PE改性方法使得改性织物面密度增加较小但抗钝伤能力显著提升

10%PE的防弹能力和比吸能值较纯芳纶分别提升了18.0%和30.8%;石墨烯改性织物刚性的增加使其低速抗钝伤能力增强

但是过大的纱线间摩擦使其高速防护能力减弱

2%石墨烯粉体为石墨烯改性织物的最佳配比。此外

优化验证得到了2层10%PE和13层的6层正交超高分子量PE无纬布防弹衣组合设计。

Abstract

Aramid is widely used in the field of ballistic protection due to its light weight and high strength. In order to improve the trauma resistance of single-layer aramid fabrics

the surface modification methods of thermoplastic resin polyethylene (PE) and graphene nanoparticles (GR) are used innovatively to improve the ballistic performance of aramid fabrics. The trauma resistance and energy absorption of modified aramid fabrics with different mass ratios are studied based on the backface significance (BFS). The results show that both graphene and polyethylene modification methods can improve the blunt trauma resistance. The surface density of the modified fabric is increased slightly by polyethylene modification

but the resistance to blunt injury is significantly improved. Compared with pure aramid fabric

the bullet-proof ability and specific energy absorption value of 10% PE are increased by 18.0% and 30.8%

respectively. The increased rigidity of graphene-modified fabric increases its resistance to blunt injury at low speed

but the excessive inter-yarn friction weakens its resistance to blunt injury at high speed. 2% GR is the best ratio for graphene-modified fabric. In addition

the combined design of body armor with 2 layers of 10% PE and 13 layers of six layers of orthogonal UHMWPE unidrectional fabric is obtained through optimization and verification.

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references

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