The next generation of US tanks can get armor from steel foam

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<pre>The next generation of US tanks can get armor from steel foam

In the course of research, scientists from the University of North Carolina and the Office of Applied Aeronautical Engineering of the US Army found that composite metal foam provides greater protection than a conventional steel plate, being one-third lighter. This discovery will allow the creation of a lighter and more secure armored equipment capable of withstanding kinetic weapons, shock waves and high temperatures.

“Metal foam” is a metal with spongy holes (CMF), which makes it easier compared to metal, and allows you to partially absorb the energy of the impact when the ammunition hits.

CMF effectively reflects the shock wave. According to scientists, in the case of a direct hit or explosion in the immediate vicinity, its energy is dissipated by contact with hollow spheres in the armor. The shock wave deforms them, and the armor, as it were, absorbs its energy.

CMF is a heat-resistant material. In the tests conducted in 2016, the researchers found that to pass through a three-inch (7.62 cm) CMF-plate requires twice as much heat as in the case of stainless steel. “Cheese” cavities create air pockets that slow the transfer of heat energy. In the course of combat operations, this can slow down the thermal impact of the explosion and enable the crew to leave the damaged vehicle.

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