Different bulletproof materials of bulletproof cloth

2021-05-14 04:28:48

Different bulletproof materials of bulletproof cloth
Bulletproof vests are divided into: ① infantry bulletproof vests. It is equipped with infantry, Marine Corps, etc. to protect personnel from various fragments. ② Special personnel bulletproof vests. It is mainly used for special tasks. On the basis of infantry bulletproof clothing, the protection functions of neck, shoulder and abdomen are added, and the protection area is increased; The front and back are provided with insert plate bags to insert bulletproof insert plates to improve bulletproof performance. ③ Artillery bulletproof vests. It is mainly used by artillery in combat and can protect against fragments and shock wave damage.


According to structural materials, bulletproof clothing manufacturers are divided into: ① soft bulletproof clothing. The bulletproof layer is generally made of multi-layer high-strength and high modulus fiber fabric with seam extension or direct superposition. When bullets and fragments penetrate the bulletproof layer, they produce directional shear, tensile failure and delamination failure, so as to consume their energy. ② Hard body armor. The bulletproof layer is usually made of metal material, high-strength and high modulus fiber, laminate made of resin matrix composite, bulletproof ceramic and high-strength and high modulus fiber composite. The bulletproof layer made of metal materials mainly consumes the energy of the projectile through the deformation and fragmentation of metal materials. The bulletproof layer of high strength and high modulus fiber bulletproof laminate consumes bullet energy through delamination, blanking, resin matrix fracture, fiber extraction and fracture. The bulletproof layer of bulletproof ceramic and high strength and high modulus fiber composite plate is adopted. When the high-speed projectile collides with the ceramic layer, the ceramic layer breaks or cracks, and diffuses around with the impact point as the center, consuming most of the energy of the projectile, and then the high modulus fiber composite plate further consumes the residual energy of the projectile. ③ Soft and hard composite bulletproof clothing. The surface layer is made of hard bulletproof material and the lining is made of soft bulletproof material. When bullets and fragments hit the surface of bulletproof clothing, bullets, fragments and hard materials of the surface will deform or break, consuming most of the energy of bullets and fragments. The soft lining material absorbs and diffuses the energy of the remaining parts of bullets and fragments to buffer and reduce non penetrating damage.




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