Effect of the Weaving Density of Aramid Fabrics on Their Resistance to Ballistic Impacts
- 1 R&D Center, LG Hausys, Anyang City, Korea
- 2 Kolon Central Research Park, Kolon Industries Inc., Cumi-Si, Korea
- 3 Kolon Central Research Park, Kolon Industries Inc., Cumi-Si, Korea
- 4 Kolon Central Research Park, Kolon Industries Inc., Cumi-Si, Korea
Abstract
Two Heracron ? woven fabrics, HT600-1 and HT600-2, were fabricated with different weaving densities and their resistance to ballistic impact was investigated. While HT600-1 was inherently stronger along the weft than HT600-2, the latter exhibited a higher tensile strength along the warp. Crimp values indicate that HT600-1, which possesses a relatively larger weft weaving density, induces an excess in the warp crimp ratio, thereby weakening the fabric along the warp. The dimensionless fiber property U*, which is defined as the product of the specific fiber toughness and the strain wave velocity, was calculated for each fabric. The U* values of HT600-1 were lower than those of HT600-2; U* values along the warp of HT600-1 were extremely low. These analyses show that HT600-2 exhibited improved ballistic properties over those of HT600-1. These findings further indicate the existence of an optimal weave that would minimize damage to both yarn and fabric. Establishing these optimal conditions can be crucial in implementing better ballistic properties into fabrics.
- H. H. Yang and K. A. Fiber, “Aramid Fiber,” John Wiley & Sons Ltd., Chichester, 1993.
- P. J. de Lang, P. G. Akker, E. M?der, S. L. Gao, W. Prasithphol and R. J. Young, “Controlled Interfacial Adhesion of Twaron? Aramid Fibers in Composites by the Finish Formulation,” Composites Science and Technology, Vol. 67, 2007, pp. 2027-2035. doi:10.1016/j.compscitech.2006.11.018
- Y. Rao, A. J. Waddon and R. J. Farris, “The Evaluation of Structure and Properties in Poly(p-phenylene terephthalamide) Fibers,” Polymer, Vol. 42, No. 13, 2001, pp. 5925-5935. doi:10.1016/S0032-3861(00)00906-X
- C. Y. Yue and K. Padmanabhan, “Interfacial Studies on Surface Modified Kevlar Fibre/Epoxy Matrix Composites, ” Composite Part B, Vol. 30, No. 2, 1999, pp. 205217. doi:10.1016/S1359-8368(98)00053-5
- T. K. Lin, S. J. Wu, J. S. Lai and S. S. Shyu, “The Effect of Chemical Treatment on Reinforcement/Matrix Interaction in Kevlar-Fiber/Bismaleide Composites,” Composites Science and Technology, Vol. 60, 2000, pp. 18731878. doi:10.1016/S0266-3538(00)00074-9
- M. Kawagoe, M. Takeshima, M. Nomiya, J. Qiu, M. Morita, W. Mizuno and H. Kitano, “Microspectroscopic Evaluations of the Interfacial Degradation by Absorbed Water in a Model Composite of an Aramid Fibre and Unsaturated Polyester,” Polymer, Vol. 40, No. 6, 1999, pp. 1373-1380. doi:10.1016/S0032-3861(98)00371-1
- R. Park and J. S. Jang, “Impact Behavior of Aramid Fiber/ Glass Fiber Hybrid Composites: The Effect of Staking Sequence,” Colloid & Polymer, Vol. 22, 2001, pp. 80-89. doi:10.1002/pc.10519
- R. C. Laible, “Fibrous Armor,” In: R. C. Laible, Ed., Ballistic Materials and Penetration Mechanics, Elsevier Scientific Publishing Co., New York, 1980. doi:10.1016/B978-0-444-41928-6.50009-0
- P. M. Cunniff, “An Analysis of the System Effects in Woven Fabrics under Ballistic Impact,” Textile Research Journal, Vol. 62, No. 9, 1992, pp. 495-509.
- C. T. Lim, V. B. C. Tan and C. H. Cheong, “Perforation of High-Strength Double-Ply Fabric System by Varying Shaped Projectiles,” International Journal of Impact Engineering, Vol. 27, 2002, pp. 577-591. doi:10.1016/S0734-743X(02)00004-0
- D. A. Shockey, D. C. Erlich and J. W. Simons, “Improved Barriers to Turbine Engine Fragments: Interim Report III,” Report No. DOT/FAA/AR99/8, III, 2004.
- V. C. Tan, V. P. W. Shim and X. Zeng, “Modeling Crimp in Woven Fabrics Subjected to Ballistic Impact,” International Journal of Impact Engineering, Vol. 32, 2005, pp. 561-574. doi:10.1016/j.ijimpeng.2005.06.008