INORGANIC MATERIALS AND CERAMIC MATRIX COMPOSITES |
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The Influence of Ceramic Layer Structure on the Anti Multiple Bullet Penetration Performance of Composite Ballistic Plate |
JIA Song1, HE Chenglong1,2,*, HUO Ziyi1, HUANG Zhixin1, PU Yanrong1
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1 College of Mechatronic Engineering, North University of China, Taiyuan 030051, China 2 Shanxi Key Laboratory of High-end Equipment Reliability Technology, North University of China, Taiyuan 030051, China |
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Abstract Splicing ceramic ballistic plateis widely used to defend against bullet strikes. It is of great significance to improve its protective performance under multiple bullet impacts. Ballistic impact experiments were conducted on the Al2O3/UHMWPE ballistic plate with 7.62 mm API, the crack distribution and the damage morphology of the ballistic plate were obtained. The stress wave propagation and dynamic damage response of single-layer and three-layer ceramic ballistic plates were simulated during bullet penetration through finite element software. The influence of different impact distances on the kinetic energy consumption of materials in each layer of the bulletproof plate under secondary bullet impact was analyzed.The results indicate that under single bullet impact, the three-layer ceramic has better anti penetration performance than the single-layer ceramic, consuming 15.7% more bullet kinetic energy. Under the secondary impact of the bullet, as the distance between the two bullets increases, the energy absorption ratio of each layer of the ballistic plate gradually become similar to that of the first impact. When Δl=5—15 mm, the anti bullets secondary impact performance of the three-layer ceramic ballistic plate is significantly improved compared to the single-layer ceramic, and the three-layer ceramic structure can effectively reduce the damage area of the ceramic.
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Published: 10 July 2025
Online: 2025-07-21
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