Aluminum Alloy 7068 Mechanical Characterization

Report No. ARL-TR-4913
Authors: Michael Minnicino; David Gray; Paul Moy
Date/Pages: August 2009; 18 pages
Abstract: A relatively new alloy of aluminum is being marketed as "ordnance aluminum" by its developer, Kasier Aluminum (Foothill Ranch, CA), owing its history to the development of ordnance applications. The aluminum alloy designation, 7068, is the strongest aluminum commercially produced. This alloy is aluminum zinc, with an advertised minimum yield strength of 99 ksi. This report characterizes extruded 7068 aluminum in terms of its elastic properties and mechanical strength, in sizes of interest to large-caliber munition designers.
Distribution: Approved for public release
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Last Update / Reviewed: August 1, 2009