The invention provides a composite armor material for absorbing and dissipating kinetic energy from high velocity, armor-piercing projectiles, comprising a panel consisting essentially of a single internal layer of high density ceramic pellets having an A1.sub.2 O.sub.3 content of at least 85%...http://www.google.de/patents/US5763813?utm_source=gb-gplus-sharePatent US5763813 - Composite armor panel
