Journal
ACS OMEGA
Volume 7, Issue 50, Pages 47129-47147Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsomega.2c06265
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Funding
- General Directorate of Scientific Research and Technological Development (DGRSDT)
- The Ministry of Higher Education and Scientific Research (MESRS) [PNE/2019EMP]
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Based on existing models, researchers have manufactured six types of nonlethal projectiles and evaluated their performance and safety through experiments and analysis. They used CAD modeling and 3D printing techniques to create the projectiles and holders, and scanning electron microscopy to observe the characteristics of mineral fillers. The findings contribute to understanding the impact force and safety of nonlethal projectiles.
Based on the models already on the market, we have manufactured six types of nonlethal projectiles. We have made convex heads out of polyurethane foam (PUR) filled with mineral fillers like alumina (Al2O3) and montmorillonite (MMT). We chose a suitable holder for nonlethal projectiles. Also, we made a custom industrial model and used CAD modeling in SolidWorks to simulate the deformation of the nonlethal projectiles. The polymeric nonlethal projectile holders were then 3D printed. We performed a dynamic mechanical analysis (DMA) and discussed the results. Likewise, we conducted ballistic impact experiments on nonlethal projectiles (XM1006) and nonlethal projectiles manufactured that were evaluated using a rigid wall and a pneumatic launcher. Furthermore, we looked at cell structure, the spread of the mean pore diameter, and the particle size distributions of the mineral fillers using scanning electron microscopy (SEM). We evaluated and discussed injury risks from nonlethal impacts. Data on nonlethal projectile lethality and safe impact speed are collected. This study explains how lab studies and real-world practice coexist through nonlethal projectile properties.
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