Investigation of a Nickel-Aluminum Reactive Shaped Charge Liner

Church, P.; Claridge, Robert P.; Ottley, P.; Lewtas, I.; Harrison, Nigel; Gould, Peter; Braithwaite, C. H.; Williamson, David M.

doi:10.1115/1.4023339

Cited by 28 publications

(14 citation statements)

References 4 publications

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“…Those results are indirectly confirmed by studies on the effects of porous liners' jets on metallic and nonmetallic materials [8,9]. Another way of increasing the energy of shock interaction is adding into the liner material components that react with each other, transforming the mechanical energy of shock wave into heat energy of chemical transformations [6,7,12]. Experiments have shown that the use of porous composites Cu/Al, Cu/ Pb/Al, Ni/Al, W/Cu/Pb/Al, W/Cu/Pb/Al/Ni (Figure 1) allows us to obtain holes with greater volume compared with the basic composites without Al (i.e.…”

Section: Results Of Studying Of Interaction Between the Shaped Chargementioning

confidence: 73%

New Functional Materials in Mechanical Engineering and Geology

Wojewódka¹,

Voitenko²,

Zakusylo³

et al. 2019

Cent. Eur. J. Energ. Mater.

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Section: Results Of Studying Of Interaction Between the Shaped Chargementioning

confidence: 73%

New Functional Materials in Mechanical Engineering and Geology

Wojewódka¹,

Voitenko²,

Zakusylo³

et al. 2019

Cent. Eur. J. Energ. Mater.

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“…At the same time, the researchers have tried to use W-Cu, W-Ni-Fe, W-Zn, W-Zr and other alloy liner to replace the pure metal liner [8][9][10][11]. In order to improve the aftereffect, Al thermite, Al/ Ni, Al/W, Zr-based amorphous alloy and polytetrafluoroethylene (PTFE) energetic shaped-charge liners have been reported in the literature, these shaped-charge liners are featured by impact energy release [12][13][14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Design and penetration of a new W-particle/Zr-based amorphous alloy composite liner

Han

Chen

et al. 2020

J Braz. Soc. Mech. Sci. Eng.

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In this paper, in order to boost the power of shaped charge, a new type of W-particle/Zr-based amorphous alloy composite liner embedded with a restraining cylinder is designed, which is different from the original shaped charge structure. The inner restraining cylinder divides the charge into two coaxial columns: inner and outer, which changes the flow mode of the material in the liner and improves the utilization rate of explosive charge. For the first time, W-particle/Zr-based amorphous alloy (W/Zr amorphous) was used to replace the traditional copper, enhancing the penetration depth and increasing the aftereffect. Theoretical analysis and numerical simulation show that the new type of liner is feasible with great advantages. The static explosion test shows that the penetration depth of W/Zr amorphous liner is 66.35% higher than that of the copper liner, and the overpressure behind the target is 0.24 MPa. Moreover, the jet is more stable without pestle. This is a new type of composite liner with wide application prospect.

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“…In addition to PTFE-based reactive material liners, metal powders reactive liners have been widely studied in recent years. Claridge et al studied the jet formation behavior of Ni/Al reactive material liner shaped charge based on an X-ray experiment [12]. Sun et al compared the penetration performance between Ni-Al and Cu-Ni-Al reactive material liner shaped charges, and the experiments showed that the addition of Cu powders not only increased the average penetration hole diameter, but also improved the average penetration depth [13].…”

Section: Introductionmentioning

confidence: 99%

Penetration Behavior of High-Density Reactive Material Liner Shaped Charge

et al. 2019

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The traditional polytetrafluoroethylene (PTFE)/Al reactive material liner shaped charge generally produces insufficient penetration depth, although it enlarges the penetration hole diameter by chemical energy release inside the penetration crater. As such, a novel high-density reactive material liner based on the PTFE matrix was fabricated, and the corresponding penetration performance was investigated. Firstly, the PTFE/W/Cu/Pb high-density reactive material liner was fabricated via a cold pressing/sintering process. Then, jet formation and penetration behaviors at different standoffs were studied by pulse X-ray and static experiments, respectively. The X-ray results showed that the PTFE/W/Cu/Pb high-density reactive material liner forms an excellent reactive jet penetrator, and the static experimental results demonstrated that the penetration depth of this high-density reactive jet increased firstly and then decreased by increasing the standoff. When the standoff was 1.5 CD (charge diameter), the penetration depth of this reactive jet reached 2.82 CD, which was significantly higher than that of the traditional PTFE/Al reactive jet. Moreover, compared with the conventional metal copper jet penetrating steel plates, the entrance hole diameter caused by this high-density reactive jet improved 29.2% at the same standoff. Lastly, the chemical reaction characteristics of PTFE/W/Cu/Pb reactive materials were analyzed, and a semi-empirical penetration model of the high-density reactive jet was established based on the quasi-steady ideal incompressible fluid dynamics theory.

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Investigation of a Nickel-Aluminum Reactive Shaped Charge Liner

Cited by 28 publications

References 4 publications

New Functional Materials in Mechanical Engineering and Geology

New Functional Materials in Mechanical Engineering and Geology

Design and penetration of a new W-particle/Zr-based amorphous alloy composite liner

Penetration Behavior of High-Density Reactive Material Liner Shaped Charge

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