This study revolves around the ballistic response of Al2O3/Al 5083-H116 bi-layer armour against 12. 7 mm AP tracer projectile. The study features the experimental and numerical study where the penetration of the AP projectile through a semi-infinite Al 5083-H116 target and Al2O3/Al 5083-H116 armour were determined. https://foldlyers.shop/product-category/patch-leads/