▎ 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 1-1.6% copper, 0.6-1.3% magnesium, 0.2% silicon, 0.2% titanium, 0.1% irom, 0.3% zinc, 0.25% manganese, 0.1% chromium, 0.04-0.16% zirconium and rest of aluminum. USE - Protective armor plate for preparing light armored vehicles, helicopter gunship, light weapons and anti-material weapon. ADVANTAGE - The plate has light weight and high strength.