China3D printingNet, April 20, the U.S. Army Research Laboratory (ARL) collaborated with researchers from the University of Central Florida (UCF) to provide soldiers with3D printingLighter weapon components.
Specifically, the joint team optimized a high-strength magnesium alloy called WE433D printingThe process parameters. Lightweight alloys are used to create 24 microlattice structures by laser powder bed fusion, which allows scientists to characterize their compressive strength and failure modes. Hope that WE43 will eventually continue to be used in future Army applications.
“We have used a magnesium alloy called WE43, and only a few researchers have successfully performed it3D printing,” ARL 3D printingSaid Dr. Brandon McWilliams, lead researcher of metals. “In this work, we optimized the process to achieve a higher density than previously reported, and used it to produce and characterize the lattice structure composed of WE43.”
3D by UCF and ARL researchersPrintThe lattice structure of magnesium. Filmed by UCF.
Magnesium WE43 is used in light weapons systems
Magnesium Elektron WE43 is described as a high-strength casting alloy. The material can be used at temperatures up to 300°C and has a tensile strength of 250MPa. By providing excellent mechanical properties and corrosion resistance, WE43 has previously been used in helicopter gearbox components, aero engines, high-performance cars and even missiles.
Bonding metal3D printingThis material has the potential to deliver mission-critical components when needed, thereby eliminating the Army’s reliance on time-inefficient conventional supply chains.In addition, McWilliams believes that moving towards lightweight alloys3D printingMoving forward will be a key aspect of the U.S. Army’s modernization strategy, which will make the operation of future field soldiers easier.
McWilliams added: “The current system is too heavy, which increases the burden on soldiers, reduces fuel efficiency, and reduces mission efficiency. As an Army researcher, my goal is to conduct research, which is from the basic research and applied research stages. The greatest chance of a successful transition to practical applications, so that excessive conversion can be achieved.”
ARL 3D printingLead researcher for metals, Dr. Brandon McWilliams. The picture comes from ARL.
Advancing national defense through collaboration3D printing
Since the launch of the “Open Campus Program”, ARL has become the focus of cooperation with industry and academia on research projects. In addition to additive manufacturing, the open campus also aims to use regional expertise to accelerate innovation in many STEM fields.
For the UCF project, ARL researchers will now work on evaluating its3D printingStrain rate and ballistic characteristics of WE43 magnesium parts. The team will also look for new demonstration applications, such as ultra-light drones and ground robot parts.
UCF lead researcher Professor Yongho Sohn said: “This is an exciting and exciting collaboration that has produced technological achievements based on a basic understanding of materials and additive manufacturing. Dr. McWilliams and his team have determined that there is a clear The technological vision of scientific goals is the key to our contribution.”
The Army uses drones like the MQ-1C Grey Eagle UAV System. The picture comes from the U.S. Army.
Like other armed forces, the U.S. Army’s3D printingNot unfamiliar.Earlier this month, the American Applied Science and Technology Research Organization (ASTRO America) was selected to coordinate a new program by the U.S. Army that focuses on the development of oversized metals for the production of ground vehicles3D printingmachine.Similar to UCF’s work, the system will be used to3D printing, Lightweight armored vehicle body (chassis)3D printing.
Elsewhere in the Pennsylvania State University School of Engineering, researchers were recently awarded $434,000 by the U.S. Army to develop an optimized3D printingHigh-strength alloy method. The project will enable the team to use computer models to develop a laser-based DED process that can print strong steel with enhanced material properties.
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