Material combination to mitigation of behind armour debris after shaped charge jet attack

Marek Szudrowicz,T Kałaczyński,M Żółtowski

doi:10.1051/matecconf/201818202009

Marek Szudrowicz, T Kałaczyński + Show 1 more

Open Access

https://doi.org/10.1051/matecconf/201818202009

Copy DOI

Abstract

When a shaped charge jet perforates the steel armour plate, the residual jet is accompanied by a much wider cloud of behind armour debris (BAD) generated by stress wave interactions. BAD plays an important role in the evaluation of survivability of vehicle crew and components in a vehicle. The Behind Armor Debris (BAD) cloud caused by shaped charge jet impact was investigated. In order to simulate different configuration of material to mitigation of debris cloud the thickness of ceramics target tiles, glass and aramid laminate liners in contact with the armour plates was varied.

Highlights

Armour Piercing Discarding Sabot (APDS) projectiles and High Explosive Anti-Tank (HEAT) warheads are the main weapons used to damage or destroy armoured vehicles
The following means are employed in design solutions in order to increase the chances of a vehicle crew to survive when vehicle is in danger of being hit by a HEAT warhead: - detonation of the warhead or otherwise destroying it at some distance from the vehicle, - disturbing, breaking or fragmenting the shaped charge jet produced after detonation of the warhead, - reduction of the depth of penetration, - minimizing of the above-mentioned detrimental effects caused by shaped charge jet penetrating the armour [2,3,4,5,6,7]
The tested material was placed between the X-ray sources and film cassettes so that the generated shaped charge jet was perpendicular to the cassettes and parallel to the line running between the X-ray sources and the cassettes (Fig. 2)

Summary

Introduction

Armour Piercing Discarding Sabot (APDS) projectiles and High Explosive Anti-Tank (HEAT) warheads are the main weapons used to damage or destroy armoured vehicles. If a such a warhead hits a vehicle, the highest danger for the crew is posed, apart primary jet, by fragments of the primary jet and armour spalls, which may reach a speed o 1000 m/s in case of heavier fragments and about 3000 m/s in case of the lighter ones. If a detonation of a warhead occurs at a distance exceeding its 6-8 calibres, the probability of penetrating the armour starts to decrease This means that for e.g. warhead with a calibre of 75-80 mm (PG-7 warheads fired from the RPG-7 launcher) such a distance should be larger than ca. This means that for e.g. warhead with a calibre of 75-80 mm (PG-7 warheads fired from the RPG-7 launcher) such a distance should be larger than ca. 500 mm

Methods

Results

Conclusion