Simulation Study on Expansive Jet Formation Characteristics of Polymer Liner

被引：30
作者：
Yi, Jianya [1 ,2 ]
Wang, Zhijun [1 ]
Yin, Jianping [1 ]
Zhang, Zhimin [2 ]
机构：
[1] North Univ China, Sch Mechatron Engn, Taiyuan 030051, Shanxi, Peoples R China
[2] North Univ China, Sch Mat Sci & Engn, Taiyuan 030051, Shanxi, Peoples R China
来源：
MATERIALS | 2019年 / 12卷 / 05期
基金：
中国国家自然科学基金;
关键词：
polymer material; shaped charge liner; expansive jet; tandem warhead; SHAPED CHARGE; NUMERICAL-SIMULATION; PENETRATION;
D O I：
10.3390/ma12050744
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
An ideally shaped charge warhead is an effective weapon against armored targets. The use of the gathering energy effect generated by the explosion drives the liner to form a shaped charge jet, which can penetrate the armored target. Existing shaped charge warheads often use a metal liner. Herein, we discuss the characteristics of polymer liners. To study the characteristics of the expansive jet formed by the polymer liner, three polymer materials with different propertiespolytetrafluoroethylene (PTFE), nylon (PA), and polycarbonate (PC)were selected. Using the smooth particle hydrodynamics (SPH) method and the AUTODYN finite element software, the expansive jet formation by the polymer liners was simulated and verified by experimental data. The polymer jets of the different materials exhibit a certain degree of expansivity; however, due to differences in the material properties, the expansive diameter of the jet and the degree of head compaction differed. The expansive diameter of the PA jet was the smallest, and that of the PTFE jet was larger than that of the PA jet, but with a smaller compactness. The PC jet exhibited the largest expansive diameter and the highest degree of compactness.
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页数：16
相关论文
共 24 条
  • [1] Baker EL, 2011, BALLISTICS 2011: 26TH INTERNATIONAL SYMPOSIUM ON BALLISTICS, VOL 1 AND VOL 2, P340
  • [2] Baker E.L., 1993, P 14 INT S BALL QUEB, P137
  • [3] Baker EL, 2001, P 19 INT S BALL INT, P569
  • [4] Bransky I., 1983, P 9 INT S BALL SHRIV, P237
  • [5] Improved Dynamic Mechanical Properties of Modified PTFE Jet Penetrating Charge with Shell
    Chang, B. H.
    Yin, J. P.
    Cui, Z. Q.
    Liu, T. X.
    [J]. STRENGTH OF MATERIALS, 2016, 48 (01) : 82 - 89
  • [6] NUMERICAL SIMULATION OF MODIFIED LOW-DENSITY JET PENETRATING SHELL CHARGE
    Chang, B. H.
    Yin, J. P.
    Cui, Z. P.
    Liu, T. X.
    [J]. INTERNATIONAL JOURNAL OF SIMULATION MODELLING, 2015, 14 (03) : 426 - 437
  • [7] Cowan K.G., 2004, P 21 INT S BALL, P713
  • [8] Daniels AS, 2007, P 23 INT S BALLISTIC, P239
  • [9] Simulation Study on Jet Formability and Damage Characteristics of a Low-Density Material Liner
    Ding, Liangliang
    Tang, Wenhui
    Ran, Xianwen
    [J]. MATERIALS, 2018, 11 (01):
  • [10] Smoothed particle hydrodynamics modeling of linear shaped charge with jet formation and penetration effects
    Feng, D. L.
    Liu, M. B.
    Li, H. Q.
    Liu, G. R.
    [J]. COMPUTERS & FLUIDS, 2013, 86 : 77 - 85
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