INFLUENCE OF THE NOSE SHAPE OF PROJECTILES ON THE PENETRATION CHARACTERISTICS OF ALUMINUM HONEYCOMB SANDWICH PLATES

HU Jing; LU MingJian; ZHANG Yong; ZHANG YinBo

doi:10.16579/j.issn.1001.9669.2018.04.010

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INFLUENCE OF THE NOSE SHAPE OF PROJECTILES ON THE PENETRATION CHARACTERISTICS OF ALUMINUM HONEYCOMB SANDWICH PLATES

更新时间：2022-09-22

- INFLUENCE OF THE NOSE SHAPE OF PROJECTILES ON THE PENETRATION CHARACTERISTICS OF ALUMINUM HONEYCOMB SANDWICH PLATES
- Journal of Mechanical Strength Vol. 40, Issue 4, Pages: 822-826(2018)
- 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.1001.9669.2018.04.010
  CLC：
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HU Jing, LU MingJian, ZHANG Yong, et al. INFLUENCE OF THE NOSE SHAPE OF PROJECTILES ON THE PENETRATION CHARACTERISTICS OF ALUMINUM HONEYCOMB SANDWICH PLATES. [J]. 40(4):822-826(2018)
DOI：

HU Jing, LU MingJian, ZHANG Yong, et al. INFLUENCE OF THE NOSE SHAPE OF PROJECTILES ON THE PENETRATION CHARACTERISTICS OF ALUMINUM HONEYCOMB SANDWICH PLATES. [J]. 40(4):822-826(2018) DOI： 10.16579/j.issn.1001.9669.2018.04.010.

摘要

利用一级气炮系统分别发射半球形头弹与钝头弹进行铝蜂窝夹芯板的冲击试验,分析弹体头部形状对弹道极限、夹芯板失效模式和能量吸收率的影响规律及机理。结果表明:钝头弹冲击铝蜂窝夹芯板的弹道极限高于半球形头弹;弹体头部形状对铝蜂窝夹芯板的失效模式存在显著影响;夹芯板受钝头弹冲击的能量吸收率明显高于半球形头弹,但随着弹体初动能的增加,二者间的差异逐渐减小。

Abstract

The aluminum honeycomb sandwich plates were impacted by the hemispherical-nosed projectiles and the bluntnosed projectiles launched by a one-stage gas gun,and the influence of the nose shape of projectiles on the ballistic limits,the failure mechanisms of the targets and energy absorption efficiency was analyzed.The results show that the ballistic limit of bluntnosed projectile is higher than hemispherical-nosed projectile,and the nose shape of projectile has a significant effect on the failure mode of aluminum honeycomb sandwich plates.The energy absorption efficiency of sandwich target against blunt-nosed projectile impact is significantly higher than hemispherical-nosed projectile,but the difference between the energy absorption efficiency decreases with the increase of the initial kinetic energy.

关键词

弹体头部形状铝蜂窝夹芯板弹道极限失效模式能量吸收率

Keywords

Nose shape of projectilesAluminum honeycomb sandwich platesBallistic limitFailure modeEnergy absorption efficiency

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