Reaction characteristic of PTFE/Al/Cu/Pb composites and application in shaped charge liner

作     者：Huan-Guo Guo Yuan-feng Zheng Suo He Qing-Bo Yu Chao Ge Hai-fu Wang Huan-Guo Guo;Yuan-feng Zheng;Suo He;Qing-Bo Yu;Chao Ge;Hai-fu Wang

作者机构：Beijing Institute of Technology InstitutionChina 

出 版 物：《Defence Technology（防务技术）》 (Defence Technology)

年 卷 期：2022年第18卷第9期

页      面：1578-1588页

核心收录：

学科分类：08[工学] 082603[工学-火炮、自动武器与弹药工程] 0826[工学-兵器科学与技术] 

基　　金：funded under the National Natural Science Foundation of China (No. 12002046) the study was also supported by the State Key Laboratory of Explosion Science and Technology of China 

主　　题：Reactive materials Shaped charge Reactive liner Jet formation Penetration behavior 

摘      要：In this paper, the reaction characteristic and its application in shaped charge warhead of a novel reactive material, which introduced copper(Cu) and plumbum(Pb) into traditional polytetrafluoroethylene/aluminum(PTFE/Al), are studied. The thermal analysis and chemical reaction behavior of the PTFE/Al/Cu/Pb mixture are investigated by Differential Scanning Calorimetry(DSC),Thermo-gravimetry(TG), and Xray Diffraction(XRD) techniques. Then, the shaped charge liners with PTFE/Al/Cu/Pb reactive materials are fabricated, and the X-ray experiments show that they could form reactive jets with excellent performance under the detonation effects of the shaped charge. Based on that, the penetration experiments of shaped charge with PTFE/Al/Cu/Pb reactive liner against steel plates are carried out, and the results demonstrate that the PTFE/Al/Cu/Pb reactive jets could produce a deeper penetration depth compared to the traditional PTFE/Al reactive jets. Meanwhile, the PTFE/Al/Cu/Pb reactive jets also show significant inner-blast effects, leading to dramatically cracking or fragmentation behavior of the penetrated steel plates. This new PTFE/Al/Cu/Pb reactive liner shaped charge presents enhanced penetration behavior for steel targets that incorporates the penetration capability of a high-density and ductility jet, and the chemical energy release of PTFE-matrix reactive materials.