首页|Jet formation and penetration performance of a double-layer charge liner with chemically-deposited tungsten as the inner liner

Jet formation and penetration performance of a double-layer charge liner with chemically-deposited tungsten as the inner liner

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This paper proposes a type of double-layer charge liner fabricated using chemical vapor deposition(CVD)that has tungsten as its inner liner.The feasibility of this design was evaluated through penetration tests.Double-layer charge liners were fabricated by using CVD to deposit tungsten layers on the inner surfaces of pure T2 copper liners.The microstructures of the tungsten layers were analyzed using a scanning electron microscope(SEM).The feasibility analysis was carried out by pulsed X-rays,slug-retrieval test and static penetration tests.The shaped charge jet forming and penetration law of inner tungsten-coated double-layer liner were studied by numerical simulation method.The results showed that the double-layer liners could form well-shaped jets.The errors between the X-ray test results and the numerical results were within 11.07％.A slug-retrieval test was found that the retrieved slug was similar to a numerically simulated slug.Compared with the traditional pure copper shaped charge jet,the pene-tration depth of the double-layer shaped charge liner increased by 11.4％and＞10.8％respectively.In summary,the test results are good,and the numerical simulation is in good agreement with the test,which verified the feasibility of using the CVD method to fabricate double-layer charge liners with a high-density and high-strength refractory metal as the inner liner.

Shaped chargeChemical vapor depositionTungstenDouble-layer charge linerX-rayPenetration

Bihui Hong、Wenbin Li、Yiming Li、Zhiwei Guo、Binyou Yan

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Ministerial Key Laboratory of ZNDY Nanjing University of Science and Technology,Nanjing 210094,China

State Key Laboratory of Explosion Science and Technology,Beijing Institute of Technology,Beijing 100081,China

Xiamen Tungsten Co.,Ltd.,Xiamen 361004,China

China Postdoctoral Science Foundationopening project of State Key Laboratory of Explosion Science and Technology,Beijing Institute of Technology

2022M721614KFJJ23-07M

2024

10.1016/j.dt.2023.08.016

防务技术
中国兵工学会

防务技术

CSTPCD
影响因子：0.358
ISSN：2214-9147
年,卷(期)：2024.33(3)
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