Скачать или смотреть Level III UHMWPE Body Armour Simulation | 7.62x51mm vs Polymer & Clay Armour Penetration Simulation

The simulation presents a 7.62x51mm M80 ball projectile impacting an Ultra-High Molecular Weight Polyethylene (UHMWPE) body armour plate under NIJ Level III conditions.

UHMWPE is often used for body armour due to its low weight, low spalling, and good multi-hit capability. The UHMWPE plate is 25mm thick and has been discretised as 20 layers bonded together. The plate is placed infront of a clay block, used to assess backface deformation. The simulation ends before the clay has stabilised, with it likely to settle ~20-25mm of deformation. A source indicates that the NIJ backface deformation limit is 44mm.

An almost direct real-world comparison can be found by searching "Body Armor Test - Level III Poly Plate" by Predator Armor in Youtube, where a 20.3mm plate stops M80 with 24mm of backface deformation.