BAE Systems PLC
Armour

Abstract:

Armor comprising a container (2) containing a liquid (6), said container having a threat-facing wall (11) and at least one shock-reflecting layer (5) of material contained within the container (2), the shock-reflecting layer (5) having a shock impedance differing from the liquid (6) and being positioned at an angle to the threat-facing wall (11) whereby to reflect shock waves (8) created in the liquid by passage of a projectile (1) through the liquid back towards the projectile (1) and across the trajectory of the projectile whereby to induce tumbling of the projectile within the liquid.