Ballistic Performance Testing of Aluminum Alloy 5059-H131 and 5059-H136 for Armor Applications

Report No. ARL-TR-4427
Authors: Dwight D. Showalter, Brian E. Placzankis, and Matthew S. Burkins
Date/Pages: May 2008; 32 pages
Abstract: The U.S. Army Research Laboratory (ARL) was tasked to investigate the ballistic performance of aluminum alloy (AA) 5059 to determine if it was a desirable alternate alloy for use as vehicle armor. Current alloys, such as AA5083 and AA7039, have high yield and tensile strengths and provide increased ballistic protection but have significantly less corrosion resistance than AA5059. AA5059 generally provides greater ballistic protection levels than AA5083 but did not match the levels of AA7039. However, it does contain some of the desirable characteristics of the lower strength AA5083, mainly superior corrosion resistance. The combination of increased strength and corrosion resistance makes AA5059 an ideal choice for consideration as an alternate aluminum armor.
Distribution: Approved for public release
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Last Update / Reviewed: May 1, 2008