Alumina Fine Ceramics material is not uncommon. This precision ceramic material applies the chemical properties of alumina, but does not combine alumina with ceramics. Compared with other materia...
In the early main battle tank, the initial velocity of tungsten alloy high-speed kinetic energy armor piercing projectile was as high as 1700 ~ 1800m / s, and it could penetrate 800mm homogeneous armo...
