Patterned Armor Performance Evaluation for Multiple Impacts

Report No. ARL-TR-3038
Authors: William S. de Rosset
Date/Pages: August 2003; 30 pages
Abstract: Patterned armor is characterized by an array of repeating cells, such as tiled ceramic armor or reactive armor boxes. Performance characteristics of an ideal patterned armor with respect to multiple hits are discussed, and the types of single-shot ballistic data needed to quantify that performance are presented. An approach to use these data is developed to provide a quantitative measure (probability of nonperforation after a given number of impacts) of the patterned armor performance against multiple impacts. This performance measure can then be compared to a well-posed multiple-hit criterion to assess whether the patterned armor meets the criterion.
Distribution: Approved for public release
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Last Update / Reviewed: August 1, 2003