EXPERIMENTAL RESEARCH ON PENETRATION RESISTANCE OF ALUMINUM ALLOY FOAM SANDWICH PANEL AGAINST HEMISPHERICAL-NOSED PROJECTILE (MT)

ZHANG TieChun; ZENG XianZhi; FENG ZhengXing; DENG YunFei

doi:10.16579/j.issn.1001.9669.2022.06.011

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EXPERIMENTAL RESEARCH ON PENETRATION RESISTANCE OF ALUMINUM ALLOY FOAM SANDWICH PANEL AGAINST HEMISPHERICAL-NOSED PROJECTILE (MT)

更新时间：2023-06-09

- EXPERIMENTAL RESEARCH ON PENETRATION RESISTANCE OF ALUMINUM ALLOY FOAM SANDWICH PANEL AGAINST HEMISPHERICAL-NOSED PROJECTILE (MT)
- Journal of Mechanical Strength Issue 6, Pages: 1343-1349(2022)
- 作者机构：
  
  1. 中国民航大学航空工程学院
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2022.06.011
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ZHANG TieChun, ZENG XianZhi, FENG ZhengXing, et al. EXPERIMENTAL RESEARCH ON PENETRATION RESISTANCE OF ALUMINUM ALLOY FOAM SANDWICH PANEL AGAINST HEMISPHERICAL-NOSED PROJECTILE (MT). [J]. Journal of Mechanical Strength (6):1343-1349(2022)
DOI：

ZHANG TieChun, ZENG XianZhi, FENG ZhengXing, et al. EXPERIMENTAL RESEARCH ON PENETRATION RESISTANCE OF ALUMINUM ALLOY FOAM SANDWICH PANEL AGAINST HEMISPHERICAL-NOSED PROJECTILE (MT). [J]. Journal of Mechanical Strength (6):1343-1349(2022) DOI： 10.16579/j.issn.1001.9669.2022.06.011.

摘要

为研究聚甲基丙烯酰亚胺(Polymethacrylimide, PMI)泡沫对2A12-T4铝合金双层板抗高速冲击性能的影响，利用一级气炮进行半球形弹体撞击接触式双层铝合金叠层板和铝合金/PMI/铝合金无粘合夹层板的高速冲击实验，获取靶板的弹道极限速度和损伤特性。结果表明，在铝合金板厚度相同的情况下，PMI泡沫夹层通过增加靶板的刚度，限制了铝合金板的塑性变形，减少了冲击能量的吸收，降低了2A12-T4铝合金双层板的抗侵彻性能。此外，PMI泡沫夹层对靶板抗侵彻性能的影响随着弹体速度的增加而减小。

Abstract

In order to study the effect of PMI foam on the impact resistance of the double-layered plates of aluminum alloy 2 A12-T4, the high-velocity impact experiments were performed to the aluminum alloy double-layered plates and aluminum alloy/PMI/aluminum alloy sandwich panel by using hemispherical-nosed projectiles launched by the one-stage gas gun system. The ballistic limit velocity and damage characteristics of the plates were obtained through the experimental results. The results show that the PMI foam core can restrict the plastic deformation of aluminum alloy plate under the same thickness as the aluminum alloy plate, decrease the absorption of impact energy and reduce the impact resistance of the aluminum alloy 2 A12-T4 double-layered plates by increasing the rigidity of the plate. In addition, the effect of the PMI foam core on the impact resistance of the plates decreases as the increase of velocity of the projectile.

关键词

PMI泡沫冲击弹道极限损伤特性夹层板

Keywords

PMI foamImpactBallistic limitDamage characteristicsSandwich panel

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College of Aeronautical Engineering, Civil Aviation University of China

National Key Laboratory of Science and Technology on Advanced Composites in Special Environments,Harbin Institute of Technology

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