Numerical Simulation of Penetration Resistance of Kevlar and Ceramic Composite Structures

doi:10.12382/bgxb.2022.0447

Abstract

Abstract: To evaluate the effects of Kevlar-129 and alumina (Al₂O₃) ceramic composite armor on the anti-penetration performance, a flat-head projectile model penetrating the composite armored unit is established. During the numerical simulation of penetration, by changing the speed of the penetrator and structure of the composite armor, the speed change curve of the penetrator at different speeds is obtained. The speed of the penetrator after penetrating the composite armor at different speeds and the capacity of absorbing kinetic energy are analyzed. The results show that the composite structure combining Kevlar and Al₂O₃ ceramics can better resist penetration, and the position of the Kevlar interlayer has a great influence on the penetration resistance performance, which provides technical reference for the design of lightweight composite armor plates in the future.

Key words: aluminaceramic, anti-penetration, compositearmor, Kevlar-129, numericalsimulation

CLC Number:

TJ012.4

WANG Xiaodong, XU Yongjie, DONG Fangdong, WANG Hao, ZHENG Nana. Numerical Simulation of Penetration Resistance of Kevlar and Ceramic Composite Structures[J]. Acta Armamentarii, 2022, 43(9): 2360-2366.

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