New dissolvable metal support enables 3-D printing of complex metallic structures
The article demonstrates an application of this novel approach, in which the researchers printed and later dissolved a metal structure to support a 90o overhang. Coauthors Owen Hildreth, Arizona State University, Abdalla Nassar and Timothy Simpson, Pennsylvania State University, and Kevin Chasse, Naval Surface Warfare Center, propose that this technique could dramatically reduce the amount of post-processing needed for 3D-printed metal components to remove support structures. They expect their method to be applicable to a broad range of metals and even oxides.
"This innovative new approach using Directed Energy Deposition for 3D printing of dissolvable metallic components, without the need for machining operations to remove the sacrificial support materials, creates opportunities for new types of applications," says Editor-in-Chief Skylar Tibbits, Director, Self-Assembly Lab, MIT, and Founder & Principal, SJET LLC. "I'm excited to see what effects this research has on the future of metal printing."
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