Tuesday, 4 February 2020

Researchers Take Body Armor to the Next Level with High Energy Fibers

Newswise — It sounds like something out of the movie “Iron Man,” where the fictitious American superhero builds an armored suit to fight terrorists and overturn his captors. For researchers at Florida Atlantic University’s College of Engineering and the difference between computer engineering and computer science, growing and improving substances to enhance the performance of military helmets and frame armor is surely no longer fictional. They have received $569,482 from the Combating Terrorism Technical Support Office (CTTSO) underneath the advanced Armor Materials Program, to develop superior fibers for frame armor. Ballistic or bullet-evidence armor overall performance is heavily dependent on the base material houses, which have modified little in current years.

The CTTSO identifies and develops abilities to combat terrorism at domestic and abroad and irregular adversaries and to supply these abilities to the United States Department of Defense components and interagency partners via rapid studies and development, superior research and technical innovation, and provision of help to U.S. navy operations.

“Composite fiber performs a very important role inside the overall performance of ballistic armor, and its mechanical homes are integrally related with kinetic energy absorption and dissipation,” said Stella Batalama, Ph.D., dean of FAU’s College of Engineering and Computer Science. “However, in current years there have not been any considerable advances in ballistic fiber homes, resulting in limited enhancements of armor overall performance. With this critical effort, our researchers may be able to decorate the residences of the fiber so as to potentially result in greater strength absorption and ballistic performance, and ultimately, greater safety of the males and females who serve within the United States army.”

The fibers in an armor absorb ballistic electricity and burn up it as fast as possible while the projectile strikes. Fiber strength, modulus, and fracture pressure are key parameters for absorption and dissipation. FAU’s two-year project, “Hybridization of Ultrahigh Molecular Weight Polyethylene (UHMWPE) with Nylon and Carbon Nanotubes for Improved Ballistic Performance,” is aimed at enhancing the residences of UHMWPE fibers which might be used in ballistic applications. The venture involves two levels consisting of both experimental and computational approaches to investigate manufacturing, testing, and predicting the overall performance of the modified fiber. Testing of fibers could be finished at numerous charges of strain starting from quasi-static to ballistic.

“Although cutting-edge frame armor provides an increasing number of superior safety to our soldiers, it comes at a cost. It’s heavy, cumbersome, and manner above the desired aerial density, which limits mobility and physical performance of our soldiers,” stated Hassan Mahfuz, Ph.D., most important investigator, an professional in nanocomposite and structured substances and a professor in FAU’s Department of Ocean and Mechanical Engineering. “For extra than a decade, large efforts have been made in wearing out diverse experimental, analytical and numerical investigations to discover and provide an explanation for penetration-failure mechanisms underneath ballistic loading. We are hopeful the hybridized nanocomposite fiber we are growing will assist to take frame armor to the following level. We anticipate that it will possess wonderful strength, modulus, and fracture stress, that allows you to result in high electricity absorption, and speedy dissipation.”

The FAU challenge is led by way of Mahfuz, Oren Masonry, Ph.D., a professor and an professional in robotics, rehabilitation engineering, and computerized manufacturing; and Leif A. Carlsson, Ph.D., the J.M. Rubin Foundation Professor and an expert in composite materials and solid mechanics, each in FAU’s Department of Ocean and Mechanical Engineering, in collaboration with the Naval Surface Warfare Center Panama City Division, and North Carolina State University.

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