▎ 摘　　要

NOVELTY - A protective armor plate comprises laminated layer composite structure, where the composite structure comprises bullet-proof sandwich heat diffusion layer, the bullet-proof sandwich heat diffusion layer is connected with different material and single edge interlayer metal plate, the bullet-proof sandwich heat diffusion layer comprises graphene oxide, silicon carbide and aluminum alloy and the aluminum alloy comprises 2-2.6% copper, 1.8-2.3% magnesium, 0.10% silicon, 0.05% manganese, 0.06% titanium, 0.15% iron, 7.6-8.4% zinc, 0.04% chromium, 0.08-0.25% zirconium and rest of aluminum. USE - Protective armor plate for preparing light armored vehicles, helicopter gunship, light weapons and anti-materiel weapon. ADVANTAGE - The plate has light weight and high strength.