File photo – a 10th Mountain Division Soldier fires an M4 rifle during a platoon Situational training Exercise at a range in Arta, Djibouti, Feb. 25, at the end of 2018.
(U.s. Air Force photo by Senior Airman Haley, D., Phillips)
Surviving a direct hit from the enemy’s bullets in the chest, stopping it from hot metal fragments from IED explosions, and to protect the heads of non-violent, fight-on collisions, all the well known advantages of the U.S. Military, a soldier’s body armor.
To stay alive in close quarters combat, the infantry soldiers will tell you, it takes a lot more than that and the body armor; the infantry to maneuver, take cover, quick to help fellow soldiers and, in some cases, jumping off of a rock or building, in order to avoid deadly enemy fire. In short, the survival rate is also strongly dependent on the “pace” …and “the weight.” As part of this, fatigue is a realistic variable. How do infantry soldiers are expected to carry 100 percent of their ability to walk for five hours through a hilly site–, as it is a more than 100-pounds of gear.
The U.S. Army, infantry, soldiers, map of the state of the body, but how much more quickly she could maneuver it to bear on the new material, which is 14 times more effective than the current body armor? This objective is to be the main source of inspiration for a current Army Research Lab’s effort to engineer a new type of lightweight armor-designed to be 64% greater impact-resistance than that of steel, and it is up to eight times lighter in weight than the current armor.
Scientists from the Army Research Laboratory and the University of Buffalo have begun laboratory experiments to be involved in the restructuring of the microscopic, material to the mass to increase the ability to “absorb” and “dissipate the energy” Dr. Evan Runnerstrom, Program Manager, Materials and Design, Army Research Office, the Army, the Combat Capability Development Command’s Army Research Laboratory, told the Warrior in a recent interview.
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Current Army soldier, body armor, calling for the Improved Outer Tactical Vest, and can weigh as much as 35 pounds. A lot of it is made up of synthetic fibers such as Kevlar or Dyneema, with a metal or ceramic trauma plates.
The new material is to be used, is a customized variation of a ultra high Molecular Weight Polyethylene, a plastic-like composite material, which is known for its durability and resistance to extreme force, such as a hard-object penetration, and the explosive impact. Different kinds of materials are widely used in the conventional materials, such as plastic-type milk-gallon box, or even joint replacements such as artificial limbs for humans. Scientists define a material called UHMWPE for short) as “a linear (non-branching) of the semi-crystalline polymer that may be referred to as a two-phase composite of crystalline and amorphous phases.”
The material is now being tested, however, it has been designed in order to engineer a new type of UHMWPE is that it is 10 to 20 times more resistant to wear than the off-the-shelf, UHMWPE and so on, and this is accomplished by means of a detailed scientific process that is designed to create “micro-structural variations” in the composition and the thickness of the material, and Runnerstrom, said.
These new varieties have been created, Runnerstrom said: “due to the combination of differently configured, the polymer strands into an integrated “hard-soft” material. On the one hand, the polymer strands are the length, tempered together, — while the other side is designed to be soft and amorphous. This work has been done on the generation of specific, high-value impact.
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“On the one hand, and the structure is still crystalline polymer. If the thickness of the material is more amorphous and disordered. It will be a bit softer. This is a smooth transition between the softness and hardness gives it the ability to absorb and dissipate the energy,” Runnerstrom he said.
On the paved hand, a long polymer will be applied; and the “sheets of polymer are prepared and are very easy to use,” as well as Runnerstrom off.
“The soft segment is amorphous polymer, that is, it is not as well prepared, or a stiff, more. It Is possible for the material to dissipate the energy of impact of the material, as opposed to a material that is rigid or only with a soft,” Runnerstrom he said.
Interestingly, a paper in the National Library of Medicine, National Institutes of Health is the topic that is dealt with by the Runnerstrom, and reinforced his point about how the change of the mechanical properties of the polymer, can have an effect on how the material behaves.
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“The mechanical properties of the polymer are dependent on both the crystalline and the amorphous phases of the project. It’s a change from the well state (that is to say, the change in the overall crystallinity, crystalline morphology, or cross-linking of the amorphous phase can have an effect on the mechanical behavior of the material, the essay, and the so-called “Ultra-High-Molecular-Weight Polyethylene: Mechanics, Morphology, and Clinical Behavior,” states of america.
By extension, the paper also appears to be a protective effect of the “rigidity” or “hardness” is a quantity of the crystalline polymer strands.
With respect to fatigue crack propagation, research has shown that the increase of the crystallinity increases the fatigue crack propagation resistance of UHMWPE,” the essay states.
The work will be performed in the ARL, and the research of scientists at the University of Buffalo. Fr. Shenquian Ren, who is leading the effort, said the process of changing the “thermal” or heat, the properties of the UHMWPE can be with the performance, the further development of what the different polymer strands can be altered and combined to engineer a more durable material.
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“Thermal and mechanical properties of UHMWPE has been sorted, the materials that can be used for impact-resistant protection for part of the applications,” Ren wrote in a scientific article in Applied Polymer Material in a magazine called “Functional Gradient ultra-High-Molecular-Weight Polyethylene and high-impact Armor.”
The inspiration for this UHMWPE is the configuration that is currently being followed by the “send message”, it can be traced back to the nature, clam shells and pearls in particular. Runnerstrom, explained that as a natural material called the Nacre in the case of calcium carbonate, the smooth, iridescent material found on the inside of a mussel or of the outer surface of the bead. It consists of small individual crystal, and the activities of blood platelets,” Runnerstrom will be explained. The small size of the calcium platelets are held together by means of a mixture of proteins.”
“In place of the calcium carbonate with the help of UHMWPE,” he added, referring to the new effort.
“The exciting thing is that through the use of bio-inspired materials, we are able to design the microstructure of the material, which is already well-known, and can be manipulated to improve our performance,” Runnerstrom he said.
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In short, the effort can be described as the future of the reach of scientific Research, and scientists are now saying that this is a material that may be five years away. But for now, laboratory tests show the material does not break and nothing will get through to the other side of it.”
There isn’t a ballistic missile test. There is nothing redundant in it, but as soon as the first results of which can be tested on a larger scale, it will be assumed that the results will be in line with the very encouraging initial findings discovered in the laboratory.
If it is eventually proved to be successful, the rising material would be able to offer a range of control of the vital functions, is the protection of the soldiers ‘ minds, bodies, boots, and even body parts.
Ren’s research paper on the subject, declares that the ultimate purpose of the study.
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“The body armor and the materials are designed to provide protection by absorbing the energy of the branch-off of the cutting, slicing, bludgeoning, and piercing attack of the ballistic shock,” Ren wrote.