FIRE RESISTANT ENERGY ATTENUATING MATERIALS FOR USE IN MILITARY VEHICLES

Paper #:
  • 2018-01-0847

Published:
  • 2018-04-03
Abstract:
Tank Automotive Research Development and Engineering Center (TARDEC) developed new flame, smoke, and toxicity (FST) requirements for energy attenuating (EA) materials based upon subject matter experts from Naval Sea Systems Command (NAVSEA) and TARDEC’s Automated Fire Automatic Fire Extinguishing System (AFES) for use in U.S. Army Ground System Vehicle (GSV) applications. The current U.S. Army Ground System Vehicles (GSV) flammability standard is Military Standard 1180 (MIL-STD-1180) Safety Standards for Military Ground Vehicles. MIL-STD-1180’s interior flammability resistance requirement is in compliance with FMVSS 302, subset of CFR 49 2012 title 49, Vol 16, Sec 571.302 Flammability of Interior Materials. Military vehicles have larger fire ignition sources which include: improvised explosive devices, igniting combustible materials, hot shrapnel from projectile munitions, electrical fires, engine compartment, and combustible fluids. The addition of EA materials into the vehicle’s interior environment calls for the investigation into more stringent flame, smoke, and toxicity criterion. TARDEC contracted a third party laboratory to perform the flame, smoke, and toxicity testing of commercial of the shelf (COTS) materials. The core material requires an additional layer of protection for durability. The additional durable layer of material is referred to by TARDEC as a face sheet material. Both fabric and rigid exposed surface sheet materials were assembled to the energy attenuating materials for flame, smoke, and toxicity testing. The results of this effort identified solutions which may potentially meet the needs of the Army’s unique thermal environment. TARDEC used the knowledge gained from this project to create performance specification requirements for interior head impact protective materials for us in U.S. Army vehicles.
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