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boron carbide ceramic armor is a versatile, lightweight and durable material that can be used to manufacture armor plates in various shapes and sizes. It has a high melting point, high hardness, low density, and excellent corrosion resistance. It is widely used in nuclear energy, aerospace, bulletproof armor, and wear-resistant materials.
Currently, boron carbide is a common ceramic armor plate material. It is resistant to penetration of high velocity projectiles, which makes it ideal for body armor, helmet and aircraft protection. However, its fracture toughness and tensile strength are poor, which makes it vulnerable to brittle cracking.
Researchers at Texas A&M University, the Army Research Laboratory, Rutgers University and Johns Hopkins University have formulated a new recipe that can prevent weaknesses in modern-day armor by adding a tiny amount of silicon to boron carbide. The researchers found that this combination made bullet-resistant gear substantially more resilient to high-speed impacts.
The invention relates to a composite armor system wherein a ceramic face plate portion of the armor is made up entirely of hot-pressed boron carbide modified with calcium boride, titanium, or manganese. The ceramic armor is then high temperature processed to yield a composite plate with improved ballistic properties compared to standard boron carbide.
A method of manufacturing a boron carbide ceramic armor tile in accordance with the invention comprises the steps of providing a precompacted billet of boron carbide powder, drilling a hole in the boron carbide billet to provide a bolt hole pattern, and sintering the boron carbide ceramic armor tile.