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The Defense Systems Information Analysis Center (DSIAC) received technical inquiries regarding the means to enhance and analyze the electromagnetic interference shielding effectiveness (SE) of various polymer-materials-impregnated conductive materials, such as copper meshes, nickel‑coated carbon fibers,…
A team of Imperial alumni and postdocs are combining silk with graphene to produce next generation armor for people, vehicles and buildings. “If you were shot by a handgun, Kevlar body armor will save you.” said Dr Gareth Tear, postgraduate researcher in shock physics, and one of the leads on the project. “But the armor
Researchers at Columbia Engineering have demonstrated for the first time a new technique that takes its inspiration from the nacre of oyster shells, a composite material that has extraordinary mechanical properties, including great strength and resilience. By changing the crystallization speed of a polymer initially well mixed with nanoparticles, the team was able to control
Abstract . Materials capable of armor penetration and prompt chemical energy release are desired for future weapon systems in order to better couple the kinetic energy of a projectile to its target. High-density metals used today such as tungsten are slow to react, and do not generate as much chemical energy as lower density materials,