Views: 0 Author: Site Editor Publish Time: 2023-07-24 Origin: Site
At present, there are no more than two bulletproof mechanisms of the Ballistic vest: to bounce off the projectile body and fragments; to continuously dissipate the kinetic energy of the bullet through the bulletproof material to prevent non-penetrating damage.
Here is the content list:
Ballistic vest mechanism
Ballistic vest is classified according to the object of use
Ballistic vest development
According to the different materials used, the current Ballistic vest can be divided into hard material protection such as metal and ceramics, soft material protection such as high-strength and high-modulus fiber, and composite protection combining soft and hard materials. These three types of bulletproof materials have quite different protection mechanisms against projectiles such as fragments and projectiles. The ballistic protection mechanism of hard bulletproof materials is to absorb kinetic energy and prevent penetration through the destruction of bulletproof materials to a certain extent, as well as the deformation and fragmentation of projectiles themselves; soft bulletproof materials are generally made of high-performance fibers through high-density textiles. It is formed by overlapping 20 to 40 layers and uses the stretching, breaking, and friction of the multi-layer fine mesh to absorb the kinetic energy of the bullet and intercept it. At present, most bulletproof vests integrate two protection mechanisms, both soft and hard, to show the true qualities of a hero. The most commonly used ceramic bulletproof armor is a kind of composite Ballistic vest, which is made of ceramic bulletproof inserts combined with Kevlar fibers.
Ballistic vest is divided into ① infantry body armor according to the object of use. Equipped with infantry, marines, etc., to protect personnel from various fragments. ② Body armor for special personnel. Mainly used for special tasks. On the basis of infantry body armor, the functions of neck protection, shoulder protection, and abdomen protection are added to increase the protection area; the front body and the back are equipped with insert pockets for inserting bulletproof inserts to improve the bulletproof performance. ③ Artillery Ballistic vest. Mainly used by artillery in combat, it can protect against fragments and shock waves.
Ballistic vests evolved from ancient armor. In the First World War, the special forces of the United States, Germany, and Italy and a few infantry used steel breastplates. In the 1920s, the United States developed a bulletproof vest made of overlapping steel sheets. In the early 1940s, some countries in the United States and Western Europe began to develop body armor made of materials such as alloy steel, aluminum alloy, titanium alloy, fiberglass, ceramics, and nylon. In the 1960s, the U.S. military adopted the Ballistic vest made of high-strength synthetic aramid fiber (Kevlar fiber) developed by DuPont, which has a good bulletproof effect, light weight, and is comfortable to wear. At the beginning of the 21st century, the U.S. military used the "Interceptor" body armor with a modular design and KM2 high-strength aramid synthetic fiber as the bullet-proof layer material on the Iraqi battlefield. Since the late 1950s, the Chinese People's Liberation Army has successively developed and equipped FRP body armor, high-strength special steel body armor, high-strength and high-modulus polyethylene body armor, and ceramic body armor. With the development of science and technology, bulletproof vests will use bulletproof materials with better performance, reduce weight, improve bulletproof effect and wearing comfort, and further realize structural modularization, variety, and style serialization.
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