Advance in Research on Protective Materials and Structures for Penetrator Warhead Explosive

WANG Leshan; ZHANG Bin; CHEN Jianliang; ZHAO Fengpeng; CHAI Chuanguo; LI Jicheng

doi:10.19554/j.cnki.1001-3563.2026.09.005

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Packaging Engineering ›› 2026, Vol. 47 ›› Issue (9) : 44-57. DOI: 10.19554/j.cnki.1001-3563.2026.09.005

Special Topic on Ammunition Response and Protection Technology under Intensive Dynamic Loading

Advance in Research on Protective Materials and Structures for Penetrator Warhead Explosive

WANG Leshan^1a,2, ZHANG Bin^1a,2, CHEN Jianliang^1a,2, ZHAO Fengpeng^1a,2, CHAI Chuanguo^1b, LI Jicheng^1a,2,*

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Abstract

The work aims to investigate the dynamic mechanical response characteristics of penetrator warhead explosive and develop related buffer protection technologies so as to improve the safety performance of the charge. The work systematically reviewed the relevant research achievements at home and abroad in this field. Regarding to the dynamic mechanical response of internal explosive during the penetration/perforation process of warheads, related experiments and numerical simulation methods used to investigate the damage evolution patterns of internal explosive were introduced in detail. Subsequently, the mechanical properties and energy-absorption mechanisms of several buffer materials, including porous materials, rubber and polytetrafluoroethylene (PTFE), etc., were emphasized. Furthermore, the design principles and the applications of protective structures, such as buffer shims, buffer sleeves, and their combined structures, were also introduced systemically, in which the influence laws of material type, structural dimensions, and combination methods of buffer structures, on the buffer protection effectiveness were summarized. On the whole, through mechanisms such as stress wave impedance mismatch, energy dissipation, and stress redistribution, etc., the buffer materials can effectively weaken the impact load. Based on proper selection of buffer materials and optimization of buffer structure, the safety of inter explosive in the warhead can be enhanced significantly.

Key words

penetrator warhead / explosive structure / safety / buffer material / protective structure

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WANG Leshan, ZHANG Bin, CHEN Jianliang, ZHAO Fengpeng, CHAI Chuanguo, LI Jicheng. Advance in Research on Protective Materials and Structures for Penetrator Warhead Explosive[J]. Packaging Engineering. 2026, 47(9): 44-57 https://doi.org/10.19554/j.cnki.1001-3563.2026.09.005

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