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目前显示的是 七月, 2021的博文

Why are bulletproof vests made of ceramic plates?

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Many people speculate that there may be steel plates inside the body armor, so that it can withstand bullets shot from the outside. But modern body armor is not made of steel plate, but made of ceramic   Bulletproof flaps are generally used with body armor or tactical vests. There are two types of bulletproof inserts: front and side panels. The front panel can protect the front chest and back of the human body, and the side panels provide protection for the sides of the human body. Ceramic bulletproof inserts are now widely used and dominate the mainstream.   What is the principle of ceramic bulletproof board?   Ceramic bulletproof  inserts are generally made of materials such as ceramics and polyethylene PE. Its principle is: when a bullet impacts the bulletproof inserts, the first impact of the bullet is the top ceramic layer, and the ceramic hits the bullet with huge kinetic energy. It shatters, and also transmits the huge impact energy of the impact point to the surroundings to abs