US Army adapts military-grade steel alloy for 3D printing ultra-strong parts

The new AM materials demonstrated 50% more strength than commercially available materials, Tess Boissonneault reports on 3D Printing Media Network. Researchers from the U.S. Army Combat Capabilities Development Command’s Army Research Laboratory have adapted a specialized steel alloy for Powder Bed Fusion 3D printing. The new material, along with specific process parameters, can produce parts that are roughly 50% stronger than commercially available materials.
The material in question is AF96, a steel alloy originally developed by the U.S. Air Force for bunker-busting bomb applications (Picture source: U.S. Army / David McNally)

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