Abstract

The research aims to study the performance of different monolithic armor materials of varying thickness. Finite element analysis of the impact of 7.62 mm Armor Piercing (AP) bullets at a velocity of 830 m/s on Armor Steel tempered at two different temperatures and Al 7017 Aluminium Alloy was carried out using Explicit Dynamics Module in ANSYS. Johnson–Cook material model was used to develop numerical models of the materials and their ballistic performance was compared. It was observed that 200 °C tempered Armor Steel has superior ballistic performance in arresting the bullet in comparison to 650 °C tempered Armor Steel and Al 7017. Deformation of the back face of target plates, radial deformation from center to edge and the corresponding impact velocity are considered in this study for the parameters of performance.

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