Monolithic Ceramic And Polyethylene

Furthermore polyethylene is far more resilient than ceramic plating and will not be damaged if dropped for example.
Monolithic ceramic and polyethylene. The word polyethylene may not be as familiar as ceramic but it s not as strange a substance as it sounds. A terrific choice of level iv body armor that has a convenient water resistant cover it his made to be used as a front or back plate it provides the consumer with the highest level of personal protection whether in. Ceramic plates are commonly used as inserts in soft ballistic vests most ceramic plates used in body armor provide national institute of justice type iii protection allowing them to stop rifle bullets. On the other hand spartan armor level 4 body.
These small cracks can drastically decrease the integrity of the plate and reduce its chances of defeating multiple rounds. But rest assured that no armor plates are made of milk jugs. There are many different forms of polyethylene including woven and shield materials. Once stopped the polyethylene cools down and re hardens.
Monolithic refractories are special mixes or blends of dry granular or cohesive plastic materials used to form virtually joint free linings. Nij 0101 06 certified our level iv armor is composed of monolithic ceramic and polyethylene. Our level iv hard armor plate is a cost effective multi hit rated certified plate that offers excellent value and performance. Their excellent fracture resistant behavior was attributed to the hierarchical architectures that.
Ceramic plates are a form of composite armor insert plates may also be made of steel or ultra high molecular weight polyethylene. With the fiber cell diameter of 0 6 mm such composites exhibited fracture toughness 29 46 3 04 mpa m 1 2 and work of fracture 799 127 j m 2 that were 475 and 1075 higher than those of the monolithic al 2 o 3 ceramic respectively. Polyethylene plates utilize the advantage of a projectile s friction. In a monolithic ceramic the maximum stress is supposed to be located at the crack tip in fracture.
A ceramic plate is usually slipped into the outer layer of a. Polyethylene plates weigh between two to five pounds which make them lighter in comparison to steel and up to seventy percent lighter compared to ceramic plates. However in these ceramic composites the maximum stress is located at the graphene array and the crack tip shows a much lower stress. Single curve sapi esapi cut and 6 8 lbs.
Ar500 armor level iv ceramic pe body armor. The plastic contribution j pl can be calculated with the following equation j pl 1 9 a pl b w. The friction causes the polyethylene to partially melt which in turn sticks the projectile. The tradeoff is that it isn t possible currently with the available materials and procedures to mass produce level iv plating at a commercial level which means it isn t rated to.
Monolithic refractories monolithic refractory is the name normally given to all unshaped refractory products the word monolithic coming from the word monolith meaning big stone. Professionally wrapped water resistant and manufactured 100 in the usa.