Since the 21st century, bulletproof ceramics have developed rapidly with more and more materials, including Alumina ceramic, Silicon Carbide ceramic, Boron Carbide ceramic, Silicon Nitride Ceramic, Titanium Diboride ceramic, etc. Among them, Alumina (Al2O3) ceramics, Silicon Carbide (SiC) ceramics and Boron Carbide (B4C) ceramics are the most widely used.