New Liquid Body Armor Gives "Terminator" Class Bulletproof Effect
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The mysterious liquid metal robot in the sci-fi movie "Terminator 2: The End of the World" is no longer a sci-fi fiction. BAE Systems of the United Kingdom has recently developed a liquid body armor, which is expected to provide soldiers with superior protection.
According to foreign media reports, forgetting the traditional Kevlar body armor, the new body armor will provide unprecedented protection! Traditional Kevlar body armor is very bulky and hot when worn. At present, a newly developed body armor is made of liquid material. When a bullet hits this liquid body armor, it will harden and provide unprecedented protection. Allows the soldier to move freely without being restricted by bulky body armor. This is very similar to the liquid metal robot with super bulletproof ability in the sci-fi movie "Terminator 2: The End of the World".
Kevlar body armor using ceramic plates can cover more areas of the human body, but due to the weight of this body armor, it greatly reduces the mobility, flexibility and speed of the soldiers. In addition, as in Iraq, Afghanistan, and other battlefields, soldiers often endure heat temperatures close to 49 degrees Celsius, while wearing bulky body armor also increases physical fatigue.
At present, BAE Systems of the United Kingdom, the global defense and aerospace security company, has newly developed a liquid super gel material body armor, which means that this body armor will provide soldiers with lighter and more flexible body defense measures in the future. .
This liquid gel can be placed between Kevlar layers. Its resistance to bullet attack is about five times that of steel, but it is half that of ordinary body armor and it is thinner than that.
The liquid body armor uses Shear Thickening Liquid, which contains special particles that can freely levitate. When the liquid is disturbed by bullet attack, these special particles will collide, forming a resistance to such disturbances.
When this perturbation force is large enough, the particles will actually "lock in" together. Therefore, when the bullet hits the body armor at a certain speed, the liquid body armor will absorb the collision energy and become very strong in a short time. Stewart Penney, head of BAE Systems' Design and Materials Business Development Department, explained that it is conceivable that when an external force slowly hits the shear thickening fluid device, it will feel a small resistance, while a faster external force strike You will feel an increase in resistance.
This special liquid material can also be combined with traditional Kevlar body armor. When combined with liquid materials, Kevlar body armor has a greater flexibility and is 45% thinner than existing body armor. At the same time, the liquid gel can also limit the looseness of the Kevlar body armor and disperse the collision energy.
When a bullet hits a bulletproof vest, the conventional body armor usually bends inwards. Although it can prevent death, it often causes severe injuries and pain. The liquid body armor can avoid pain and contusions, damage to internal organs and breakage of ribs by dispersing the impact force of bullets. A test video released by the BAE Systems Technology Center showed that a 9-mm handgun fired bullets into a 10-layer Kevlar body armor with liquid material, and then compared and shot 31 layers of Kevlar armor without added liquid material.
The video shows that liquid bulletproof vests are hit by bullets and that the impact force will spread over a wider area, which means that the bullet attack force does not concentrate on a small area, and the probability of a soldier’s injury or death is greatly reduced. Ordinary body armor using standard ceramic plates weighs approximately 25 pounds. BAE Systems believes that the weight of the liquid body armor is only an increase of the former. This means that the soldier's battlefield load is reduced and the combat effectiveness can be fully utilized.
The company's next step will be to design liquid body armor that can withstand the attack of even more powerful weapons such as the AK47. In addition to being used in the military, liquid body armor can also be used by police and ambulance workers. Advanced body armor can reduce the risk of soldiers and quick return and provide a degree of flexibility. (Camera)
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