AModelfor Ballistic Limitof Cylindrical Fragment Penetrating the FRP Sandwich Plate

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Journal of Vibration and Shock ›› 2018, Vol. 37 ›› Issue (8) : 17-21.

ZHENG Zhe1 ，LI Xiaobin2 ，HUO Qiji3

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Abstract

In this work, the process of a cylindrical fragment penetrating a fiberreinforced composite sandwich plate was analyzed. Based on the law of energy conservation, the energy consumption in the three stages of the cylindrical fragment penetrating fiber reinforced composite sandwich plate was theoretically derived, including the penetration of panels, the penetration of composite laminated, and the penetration of back. Then the analytical model of the cylindrical fragment penetrating the fiber reinforced composite sandwich plate was built, and the calculating formula of residual velocity was obtained. The ballistic limit could be obtained when the residual velocity was equal to zero. Comparing the results calculated by the analytical model with experimental results, the feasibility and effectiveness of the analysis model was verified.

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composite armor / high speed fragment / ballistic limit;analytical model

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ZHENG Zhe1,LI Xiaobin2,HUO Qiji3. AModelfor Ballistic Limitof Cylindrical Fragment Penetrating the FRP Sandwich Plate[J]. Journal of Vibration and Shock, 2018, 37(8): 17-21

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