Dynamic mechanical behavior of honeycomb lattice-ceramic composite armor under combined load

ZHAO Zhongnan1,2,3, HAN Bin2, LI Lang2, ZHANG Qiancheng1, LU Tianjian3

Journal of Vibration and Shock ›› 2022, Vol. 41 ›› Issue (9) : 227-236.

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Journal of Vibration and Shock ›› 2022, Vol. 41 ›› Issue (9) : 227-236.

Dynamic mechanical behavior of honeycomb lattice-ceramic composite armor under combined load

  • ZHAO Zhongnan1,2,3, HAN Bin2, LI Lang2, ZHANG Qiancheng1, LU Tianjian3
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Abstract

In order to investigate the protective performance of the ceramic composite armor subjected to combined blast and impact loading, and to improve the traditional armor design for fragments only or blast only, with numerical method, aluminum foam - fragment composite projectile was employed to explore the dynamic response and damage mechanism of honeycomb lattice enhanced ceramic composite armor under combined loading. Two synergistic mechanisms of pre-acceleration and pre-deformation were clarified. Furthermore, the effect of load arrival sequence and arrival time interval was studied. Finally, a parametric study was carried out to discuss the influence of key geometric parameters on the protection performance of the enhanced ceramic armor. The contribution of different substructures was evaluated to provide guidance for the optimal armor design.

Key words

ceramic composite armor / honeycomb lattice / combined blast and impact loading / protective capability

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ZHAO Zhongnan1,2,3, HAN Bin2, LI Lang2, ZHANG Qiancheng1, LU Tianjian3. Dynamic mechanical behavior of honeycomb lattice-ceramic composite armor under combined load[J]. Journal of Vibration and Shock, 2022, 41(9): 227-236

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