基于铝合金零件的组合防震防雷

S. Bisyk, A. Sanin, V. Poshyvalov, O. Aristarkhov, M. V. Prykhodko, A.I. Kuzmytska, A.F. Lednianskyi
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摘要

本文研究了铝合金零件在装甲战车组合防雷中的应用。该研究涉及安装在装甲战斗车辆车身模型上的反地雷盾牌。该模型由16毫米装甲钢制成。模型的总质量(不含反地雷盾)为31.1千克。一个防地雷盾牌夹在两个框架之间,用螺栓固定住。为了消除土壤对试验结果的影响,将炸药装在70毫米的金属板上。炸药是用ED-8Zh型电雷管引爆的。采用TG-50/50炸药。在模型中央安装DYTRAN 3200B加速度传感器,利用实验系统对传感器信号进行测量。为了评估模型在弹塑性变形不造成能量损失的情况下的加速度,我们对带有刚性防雷盾(厚度为10 mm,质量为10.7 kg的刚性装甲钢板)的模型进行了加速度评估。对该模型进行了有限元仿真。研究了爆炸载荷参数对模型加速度的影响。使用EinScan Pro 2X Plus 3D扫描仪对模拟和实际挠度进行比较。对该模型的速度和加速度分别进行了仿真和测量。结果表明,Al-Mg合金特别是AMg6合金退火后的零件吸收爆炸能效果较好。任何一种由AMg6合金制成的防雷盾,与由装甲钢制成的防雷盾相比,都能减少板中心的加速度,从而减少装甲车辆车身上的负荷,减少了20…25倍。结果表明,退火处理能较好地提供抗地雷屏蔽体承重件所需的物理力学特性,多孔吸能元件的成型和结构宜采用加压至33 MPa的方法,多孔吸能元件最宜粘贴在承重件上。在分别对承重部分和多孔吸能单元材料试样进行试验后,建议对不同用途的装甲战斗车辆进行防雷盾组合结构的试验。
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Combined shock and mine protection based on aluminum alloy parts
This paper considers the use of aluminum alloy parts for combined mine protection of armored combat vehicles. The study was concerned with anti-mine shields mounted on an armored combat vehicle body model. The model was made of 16 mm armor steel. The total mass of the model (without an anti-mine shield) was 31.1 kg. An anti-mine shield was gripped between two frames and secured with bolts. To eliminate the effect of the soil on the test results, the explosive charges were installed on a 70 mm metal plate. The charges were initiated with an ED-8Zh electrodetonator. TG-50/50 explosive was used. A DYTRAN 3200B acceleration sensor was mounted at the center of the model, and the sensor signal was measured using an experimental system. To assess the model acceleration without any energy loss by elastic or plastic deformations, the acceleration of the model with a rigid anti-mine shield (a rigid armor steel plate of thickness 10 mm and mass 10.7 kg) was assessed. A finite-element simulation of the model was conducted. The effect of explosion load parameters on the model acceleration was studied. The simulated and the actual deflections were compared using an EinScan Pro 2X Plus 3D scanner. The speed and the acceleration of the model with a rigid and a plastic anti-mine shield were simulated and measured. The results showed that annealed parts made of Al-Mg alloys, in particular AMg6 alloy, absorb the explosion energy better. Any of the anti-mine shields made of AMg6 alloy reduces the acceleration at the center of the plate and thus the load on the armored vehicle body by a factor of 20…25 in comparison with the anti-mine shields made of armor steel. It was shown that annealing best provides the required physical and mechanical characteristics of the load-bearing parts of anti-mine shields, it is advisable to shape and structurize their porous energy-absorbing elements by pressing up to 33 MPa, it is most advisable to paste the porous energy-absorbing elements to the load-bearing parts, and after separate tests of load-bearing part and porous energy-absorbing element material specimens it is advisable to try out combined constructions of anti-mine shields for armored combat vehicles of different purposes.
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