A 7.62 mm energetic bullet filled with PTFE-Mg-based reactive materials for anti-drone application

A 7.62 mm energetic bullet filled with PTFE-Mg-based reactive materials for anti-drone application

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To counter thin and turbo air m3f72-3-n lightweight targets such as drone swarms, a specialized design of 7.62 mm energetic bullets has been developed.These bullets utilize reactive materials as the core encased in a copper jacket, offering the advantages of impact-induced energy release, multiple damage, and lightweight.

The study involved the preparation of three energetic bullets using the reactive materials (different ratio of PTFE-Mg-Bi2O3 and PTFE-Mg-Bi2O3-W) and systematically evaluating their destructive effect.The results showed that three energetic bullets (EB-A, EB-B, and EB-W) successfully penetrated two-layer stacked 2 mm 50# cold-rolled steel targets, and the respective reaction durations observed during the penetration process were snowman rubber duck 4.1, 3.

5, and 9.2 ms.After armor-piercing, energetic bullets released an amount of chemical energy and produced fragmentation, deflagration reactions, and overpressure destructive effects.

To further investigate the damage mechanism of the three reactive material-filled bullets, a detailed analysis of PTFE-Mg-based reactive material, such as reaction energy, burning rate, combustion temperature field, reaction overpressure, was conducted.Our work provides a comprehensive understanding of energy release performance of the reactive materials and damage behavior of the energetic bullets.