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http://dx.doi.org/10.5762/KAIS.2021.22.1.372

A Study on the Evaluation for Performance of Body Armor Vest using ANOVA  

Park, Jae Woo (Combat Materiel Center, Defense Agency for Technology and Quality (DTaQ))
Byun, Kisik (Combat Materiel Center, Defense Agency for Technology and Quality (DTaQ))
Cho, Sung-Yong (Combat Materiel Center, Defense Agency for Technology and Quality (DTaQ))
Kim, Suk Ki (Combat Materiel Center, Defense Agency for Technology and Quality (DTaQ))
Yeo, Yongheon (Combat Materiel Center, Defense Agency for Technology and Quality (DTaQ))
Kwon, Jae Wook (Combat Materiel Center, Defense Agency for Technology and Quality (DTaQ))
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.22, no.1, 2021 , pp. 372-378 More about this Journal
Abstract
A body armor vest is a form of munition related directly to the safety and life of combatants. Therefore, it must meet the requirements for ballistic resistance. The ROK demands the performance of body armor vest meet the Level IIIA specified by the NIJ STD-0101.06 published by the US National Institute of Justice. This study performed acceptance tests on body armor vests. The factors for evaluating the ballistic resistance evaluated were not only whether it penetrates when shooting but also whether the BFS (Backface Signature) depth does not exceed 44 mm when it does not penetrate. The factors were assessed to determine if they were consistent or not. The BFS depth is affected by various test factors, such as the physical properties of the backing material and the changes in the amount of impact with the bullet velocity. In this study, an analysis of the bulletproof performance was performed by extracting the data with the same conditions using ANOVA to remove the influence of these external factors. The analysis revealed a correlation between the BFS depth, bullet velocity, vest conditions, and protection area. The mass production process was analyzed by estimating the Interval of BFS on each lot. Through this, a new methodology for ballistic resistance evaluation and paradigm for future quality assurance is suggested.
Keywords
ANOVA; Body Armor Vest; Ballistic Resistance; BFS Depth; Confident Interval;
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