Analysis on Characteristics of Debris Group Produced by Fragment Impacting Steel Target
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摘要:为了研究钢靶在破片高速撞击下产生的碎片群特征，开展了破片撞击钢壳试验。通过碎片群作用于后效靶上产生的凹坑，分析了破片形状、材质、靶板厚度等因素对碎片群的影响规律。结果表明：破片质量相同时，钢破片撞靶时的穿孔直径高于钨破片，球形破片穿孔直径的稳定性普遍高于立方形破片；随着靶板厚度增加，破片撞靶后更容易产生小质量碎片群，且运动速度逐渐降低；相对于钢破片，钨破片撞击钢靶后具有更强的后效作用。研究结果可为杀伤战斗部毁伤元设计及不敏感战斗部结构设计提供参考依据。
Abstract:In order to study characteristics of the debris group produced by high-speed impact of the fragments on the steel shell, the test of the fragments impacting on the steel shell was carried out. Through the crater produced by the debris group acting on the aftereffect target, the influence of shape, material and thickness of the target plate on the debris group was analyzed. The results show that the perforation diameter of steel fragment is generally higher than that of tungsten fragment, and the stability of perforation diameter of spherical fragment is higher than that of square fragment. With the increase of thickness of the target plate, it is easier to produce small mass debris group after fragments hitting the target, and the motion speed also gradually decreases. Compared with steel fragments, the tungsten fragments have stronger aftereffect after impacting the steel plate. The research results can provide reference for designing of damage element and structure of insensitive warhead.
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