Ballistic resistance

Glazman, L. I., Lesovik, G. B., Khmelnitskii, D. E., and Shekhter, R. I. (1988). Reflectionless quantum transport and fundamental ballistic-resistance steps in microscopic constrictions. JETP Lett. 48,238-241. 

Important Note - Single Lexan sheets have little ballistic resistance and most types of firearm projectiles will penetrate them. 

Aramid fibers are notorious for their application in bulletproof jackets, more generally addressed as ballistic resistant fabric articles. Less exciting applications of aramids are in automotive, electrical, and electronic fields. They are also used in medical devices. Specific uses are summarized in Table 13.3. 

Wang Y, Mabe T. Flexible spike and ballistic resistant panel. US Patent US7958812 B2 14 June 2011. 

Prevorsek DC, Harpell GA, Wertz D. Ballistic resistant fabric articles. US patent 5 677029, assigned to AlliedSignal, Inc., Morristown, NJ 1997. 

Areal density of UK Home Office approved knife and ballistic-resistant armour systems. HG1/KR42 tested according to the 1993 standard (Parker, 1993), KR1/HG1 tested according to the 1999 standard (Petit and Croft, 1999), and KR1 HG1 SP1 tested to the 2007 standard (Croft and Longhurst, 2007b). 

Croft, J. and Longhurst, D., 2007a. HOSDB Body Armour Standards for UK Police (2007) Part 2 Ballistic Resistance, St Albans Home Office Scientific Development Branch. 

A typical helmet is expected to be between 5 and 10 mm thick, dependent on both material type and applicatioa The shell thickness is normally determined experimentally by the penetration test. The shell canbe made of either an injection-moulded thermoplastic or a pressure-moulded resin system, reinforced with ballistic resistance fabrics/fibres (Mills, 1996). Energy is absorbed when the helmet is impacted, with the shell bending and deformation of the underlying foam. The amount of the impact energy absorbed by the foam depends on ... 

NIJ Standard (2011) - 0101.04 Ballistic Resistance of Personal Body Armor, US Department of Justice, Revision A, June. 

NIJ (2008) Ballistic Resistance of Body Armor , NIJ Standard-0101.06, Natiorral Irrstitute of Justice, USA. http //www.nij.gov/nij/pubs-sum/223054.htm... 

Shukla, A., Grogan, J., Tekalur, S.A., Bogdanovich, A., Coffelt, R.A., 2005. Ballistic resistance of 2D 3D woven sandwich composites. In Proceedings of the Seventh International Conference on Sandwich Stmctures (ICSS7), Aalborg, Denmark, August 29-31, 2005. 

Harel H, Marom G and Kenig S (2002) Delamination controlled ballistic resistance of polyethylene/polyethylene composite materials, Appl Compos Mater 9.33-42. 

In general, the military specifications are normally set at higher levels or reqnire specific modifications. Military textiles are normally tested and certified for textile ballistic resistance, textile safety, UV protection, antimicrobial effectiveness, fire resistance, and many other technical features. The wear comfort, fit, and design are equally important and this chapter focuses on these areas. 

---