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Liquid armor is a material under research by defense institutions and universities around the world including the United States Army Research Laboratory (ARL). [ 1 ] [ 2 ] [ 3 ] Some of the earliest research in this area was performed at Massachusetts Institute of Technology [ 4 ] and University of Delaware [ 5 ] in 2003.
In 2002, researchers at the U.S. Army Research Laboratory and University of Delaware began researching the use of liquid armor, or a shear-thickening fluid in body armor. Researchers demonstrated that high-strength fabrics such as Kevlar can be made more bulletproof and stab-resistant when impregnated with the fluid.
The random nature of fragmentation required the military vest specification to trade off mass vs. ballistic-benefit. Hard vehicle armor is capable of stopping all fragments, but military personnel can only carry a limited amount of gear and equipment, so the weight of the vest is a limiting factor in vest fragment protection.
A A&TWF – Acquisition and technology work force a – Army AA – Assembly area AA – Anti-aircraft AA – Aegis ashore AAA – Anti-aircraft artillery "Triple A" AAAV – Advanced Amphibious Assault Vehicle AAC – Army Air Corps AAD – Armored amphibious dozer AADC – Area air defense commander AAE – Army acquisition executive AAG – Anti-aircraft gun AAK – Appliqué armor kit (US ...
By that period, the shiny armor plate was covered in dark paint and a canvas wrap covered their elaborate Napoleonic-style helmets. Their armor was meant to protect only against sabers and lances. The cavalry had to beware of rifles and machine guns, like the infantry soldiers, who at least had a trench to give them some protection. [citation ...
Liquid armor - The fabric might also be treated with shear thickening fluid, a mix of polyethylene glycol and nanoscale glass particles. This mix would function like chainmail , flexible with low speed motion such as running, but hard and solid against high speed motion such as that of a bullet impact, preventing serious injury or death.
Bullet-resistant body armor has been in use since about 1984. When law enforcement began wearing body armor, there was a dramatic drop in officer deaths, saving over 3,000 lives. [citation needed] The National Institute of Justice first developed standards for ballistic resistant body armor in the 1970s. The standards have been revised five ...
Body armor and combat vehicle armor are key areas where efforts are being made to use rheopectic materials. Work is also being done to use these materials in other kinds of protective equipment, which is seen as potentially useful to reduce apparent impact stress in athletics , motor sports , transportation accidents, and all forms of parachuting .