为了研究战斗部高速破片对飞机金属结构的破坏机理,计算了冲击压力和温度。为了研究热辐射的破坏机理,开展了烧伤试验。研究表明,高速破片撞击下飞机金属结构将产生很高的压力和温度;金属材料烧伤后其强度下降,而硬度的变化则因材料而异。综合分析表明:防空导弹对飞机金属结构损伤模式主要表现为高速破片撞击下的破孔损伤、热辐射作用下的材料性能改变以及冲击波作用下的局部变形和撕裂破坏。

In order to analyze the damage of aircraft metal structure impacted by high velocity warhead fragments, shock pressure and temperature were calculated. The burn test was performed to study the heat radiation threats. The research shows that the shock pressure and temperature are very high. The strength of material will decline when it is burned, but the change of its hardness depends on different material. Comprehensive analysis shows that the damage modes of aircraft metal structure threatened by air-defense missile are broken holes impacted by fragments, property change affected by heat, and local deformation or tear damage resulted by shock waves.