Composite metal foams are tough stuff. Tough enough to turn an armor-piercing bullet into dust on impact. Given that these foams are also lighter than metal plate, the material has obvious implications for creating new types of body and vehicle armor - and that’s just the beginning of its potential uses. Afsaneh Rabiei, a professor of mechanical and aerospace engineering at North Carolina State, has spent years developing composite metal foams and investigating their unusual properties.
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