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Scientists working on carbon nanotube body armor

Posted on Sunday, November 11 2007 @ 11:02:00 CET by


Researchers are working on a carbon nanotubes-based replacement for Kevlar:
The trait that makes carbon nanotubes so interesting for use in bulletproof vests is that the carbon nanotubes have excellent resistance to repeated ballistic impacts. In theory, that would mean that soldiers and police officers wouldn’t need to replace body armor after taking hits and multiple hits in prolonged firefights would be more survivable than with current generation body armor.

Unlike Kevlar fibers that deform and loose effectiveness after struck, the carbon nanotube vest can withstand repeated impacts to the same spot without allowing the bullet to penetrate. The researchers say that body armor 600nm in thickness constructed form six sheets of the 100nm thick carbon nanotube yarns could bounce off a bullet with muzzle energy of 320 J.

That would be enough strength to stop low powered bullets fired from some handguns, but high velocity bullets fired from assault rifles carry much more muzzle energy than the current carbon nanotube fibers can withstand.
More info at DailyTech.


 



 

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