Abstract
The goal of this article was focused on the study of projectile breakage after impact on steel armour depending on projectile impact velocity and steel armour hardness. Steel armour samples of hardness HBW500 and HBW600 were impacted by steel core projectile 14.5×114 API/B32 using three different impact velocities. The depth of the projectile penetration into steel armour of hardness HBW400, which was placed 65 mm behind the steel armour samples, was measured. The projectile remains after each impact were searched for their evaluation. For better visualization of the projectile breaking process after the impact on steel armour, the numerical simulations were performed. Experimental and numerical results were compared and combined in a graph showing the dependence of the depth of penetration on the projectile impact velocity for two different steel armour hardnesses and with indication of projectile coherence after impact.
Highlights
Necessity to enhance the ballistic protection level of armoured vehicles still increases
Armour steel is still the most common armour material, so the goal of this work was the study of projectile breakage after the impact on steel armour depending on the projectile impact velocity and steel armour hardness
Three following set‐ups of steel armour plates of different Brinell hardness (HBW) were tested:
Summary
The goal of this article was focused on the study of projectile breakage after impact on steel armour depending on projectile impact velocity and steel armour hardness. Armour steel is still the most common armour material, so the goal of this work was the study of projectile breakage after the impact on steel armour depending on the projectile impact velocity and steel armour hardness. Because the goal of this work was to find the projectile impact velocity when the projectile starts to break and because the projectile at the impact velocity of 671.7 m/s broke down, even the lower impact velocity of around 500 m/s was tested
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