Patent ID: 8206517

Claim:
An armor component produced from a 7XXX series aluminum alloy, wherein the aluminum alloy consists essentially of: 7.0-9.5 wt. % Zinc; 1.3-1.68 wt. % Mg; 1.2-1.9 wt. % Cu; and up to 0.4 wt. % of at least one grain structure control element; the balance being aluminum and incidental elements and impurities; (A) wherein the 7XXX alloy is in the form of a plate having a thickness of 1-4 inches; (B) wherein the 7XXX alloy is sufficiently overaged to achieve: (i) a fragment simulated particles V 50 ballistics limit of at least 2950 feet per second; and (ii) spall resistance as measured in accordance with MIL-STD-662F(1997); and (iii) a longitudinal tensile yield strength of not greater than 68 ksi.