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YANG S L , ZHANG H R , NIE H Q , et al . Thermal reactivity and combustion performances of Al /Ti-based nano-composite fuels [J ] . Acta Armamentarii , 2023 , 44 ( 4 ): 1118 - 1125 . (in Chinese)

徐瑞泽 , 肖建光 , 马俊杨 , 等 . 活性破片高速撞击产生等离子体的毁伤效应 [J ] . 兵工学报 , 2023 , 44 ( 12 ): 3733 - 3742 . DOI: 10.12382/bgxb.2023.0048 http://doi.org/10.12382/bgxb.2023.0048 为探究活性破片高速撞击产生等离子体特性及其对目标造成的电磁毁伤效应,开展了活性破片高速撞击铝板的毁伤试验。采用不同配方活性材料破片和普通铝制破片分别撞击铝板,通过朗缪尔三探针系统获得活性和惰性破片在特定空间位置产生等离子体的电子密度和电子温度,通过逻辑芯片信号采集系统获得74HC04逻辑芯片在等离子体作用下的电磁毁伤效应。研究结果表明:由于活性破片独特的侵爆效应,释放出更多的能量,使得产生的等离子体电子密度比惰性破片更高;配方为钽\镁\四氟乙烯-六氟丙烯-偏氟乙烯共聚物(Ta/Mg/THV,70%Ta+9.26%Mg+20.74%THV)的活性破片以1.4km/s的速度撞击厚度为2mm的双层铝板时,产生的等离子体电子密度能达到5.89×10¹⁵m^-3,对74HC04逻辑芯片造成了逻辑关系短暂失真的瞬态软毁伤和逻辑工作能力完全失效的不可逆毁伤。

XU R Z , XIAO J G , MA J Y , et al . Damage effect of plasma produced by high-velocity impact of reactive fragments [J ] . Acta Armamentarii , 2023 , 44 ( 12 ): 3733 - 3742 . (in Chinese) DOI: 10.12382/bgxb.2023.0048 http://doi.org/10.12382/bgxb.2023.0048 The damage test of reactive fragments hitting aluminum plate at high speed is carried out to investigate the plasma characteristics and the electromagnetic damage effect on target caused by high-speed impact of reactive fragments. The reactive material fragments of different formulas and ordinary aluminum fragment are used to impact the aluminum plate. The electron density and temperature of plasma generated from thereactive and inert fragments at specific spatial location were obtained by usingatriple Langmuir probe system. The electromagnetic damage effect of 74HC04 logic chip under the action of plasma was obtained by usinga logic chip signal-acquisition system. The results show that the plasma electron density produced by the reactive fragments is higher than that produced by the inert fragments due to the unique penetration effect of the reactive fragments and the release of more energy. When the reactive fragment containingtantalum/magnesium/tetrafluoroethylene-hexafluoropropylene-vinylidene fluoride copolymer(Ta/Mg/THV,70%Ta+9.26%Mg+20.74%THV) impact the double aluminum plates with 2mm thickness at the speed of 1.4km/s, the plasma electron density can reach 5.89×10 15 m -3 , andit also causes thetransient soft damage with transient distortion of logic relation and theirreversible damage with complete failure of logic working ability to the 74HC04 logic-chip.

王在成 , 徐祎 , 姜春兰 , 等 . 钨锆钛活性破片对间隔靶的毁伤效应 [J ] . 兵工学报 , 2023 , 44 ( 12 ): 3862 - 3871 . DOI: 10.12382/bgxb.2023.0289 http://doi.org/10.12382/bgxb.2023.0289 为研究钨锆钛活性破片穿靶后的耦合毁伤机理,开展了钨锆钛活性破片侵彻6mm Q235钢板和1.5mm铝板组成的间隔靶的弹道枪实验,观察钢靶穿孔模式、后效铝靶的毁伤模式及活性破片侵彻间隔靶的高速摄像,结合活性破片冲击反应理论、能量守恒原理,计算靶板变形能,分析化学能和动能在耦合毁伤中的贡献占比。研究结果表明:活性破片着靶速度小于800m/s时,钢靶塞块与破片碎片云在铝靶上造成隆起、侵坑、烧蚀破坏,着靶速度增大到1187m/s以上时,铝靶受前层钢靶塞块作用发生冲塞破坏,在碎片云的动能与化学能耦合毁伤作用下出现隆起、裂纹和花瓣翘曲;随着着靶速度的增大,后效靶毁伤面积与活性破片反应程度均呈增大趋势;化学能在耦合毁伤中的贡献度逐渐增大。

WANG Z C , XU Y , JIANG C L , et al . Damage effect of W/Zr/Ti reactive fragments on spaced targets [J ] . Acta Armamentarii , 2023 , 44 ( 12 ): 3862 - 3871 . (in Chinese) DOI: 10.12382/bgxb.2023.0289 http://doi.org/10.12382/bgxb.2023.0289 In order to study the coupling damage mechanism of W/Zr/Ti reactive fragments after penetrating a target, a ballistic gun experiment is conducted to investigate the penetration of W/Zr/Ti reactive fragments into a spaced target composed of 6mm-thick Q235 steel plate and 1.5mm-thick aluminum plate. Combined with the impact reaction theory of reactive fragments and the principle of energy conservation, the target deformation energy is calculated and the contributions of chemical energy and kinetic energy to coupled damage are analyzed from the perforation mode of steel targets, the damage mode of after-effect aluminum targets, and high-speed photography of reactive fragments penetrating the spaced targets. The research results show that, the slug and debris cloud cause bulge, perforation, and ablation damage on the aluminum target when an active fragment hits the target at a speed of less than 800m/s. When the target hits the target at a speed of more than 1187m/s, the aluminum target undergoes shear perforation under the action of the front steel target plug, resulting in bulge, cracks, and petal warping under the coupling damage of kinetic and chemical energies of debris cloud. With the increase of the target velocity, the damage area of rear target and the reaction degree of active fragment show an increasing trend, and the contribution of chemical energy to coupled damage gradually increases.

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