强冲击载荷下战斗部材料的抗爆性能研究

为研究强冲击载荷下战斗部材料的抗爆性能,针对爆炸驱动结构的辅助装药防护层材料选择设计了一种分层结构,采用数值模拟的方法研究了不同材料组合形式的防护层结构在炸药作用下的爆炸驱动过程,对B炸药和黑火药作为辅助装药两种情况下不同金属防护层材料组合进行了静爆实验. 研究结果表明,隔爆性能最佳的2层45#钢+LY12铝合金形式防护层在B炸药起爆下发生较为明显的破坏,而隔爆性能最弱的3层全部为LY12铝合金的防护层在黑火药引燃作用下仍为完好壳体. 

Study on Antiknock Properties of Warhead Materials to Shock Loading

In order to study on antiknock properties of worhead materials to shock loading, a kind of layered structure was developed to solve the problem of warhead protective layer selection. The explosion process of different protective layer structure was studied by numerical simulation. The protective layers with different material and different charge were conducted by experiments. The simulation and experiment results show that the protective layer with steel 45, steel 45 and aluminum alloy LY12, which possess the best antiknock properties, is significantly destroyed by composition B. And the protective layer with three-layer aluminum alloy LY12, which possesses the weakest antiknock properties, is intact after the ignition of the black powder.