New Dissolvable Metal Support Enables 3D Printing of Complex Metallic Structures
Researchers have fabricated dissolvable carbon steel structures using 3D printing technology that can provide temporary support for components of larger stainless steel structures made by additive manufacturing. The first-of-its-kind soluble metal support is subsequently removed via electrochemical etching in nitric acid with bubbling oxygen, as described in an article in 3D Printing and Additive Manufacturing, a peer-reviewed journal from Mary Ann Liebert, Inc., publishers. The article is available free for download on the 3D Printing and Additive Manufacturing website until August 13, 2016.
The article “Dissolvable Metal Supports for 3D Direct Metal Printing” 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 (Tempe), Abdalla Nassar and Timothy Simpson, Pennsylvania State University (State College, PA), and Kevin Chasse, Naval Surface Warfare Center (W. Bethesda, MD), 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.”
About the Journal
3D Printing and Additive Manufacturing is the only peer-reviewed journal focused on the rapidly moving field of 3D printing and related technologies. Led by Editor-in-Chief Skylar Tibbits Director, Self-Assembly Lab, MIT, and Founder & Principal, SJET LLC., the Journal explores emerging challenges and opportunities ranging from new developments of processes and materials, to new simulation and design tools, and informative applications and case studies. Published quarterly online with open access options and in print, the Journal spans a broad array of disciplines to address the challenges and discover new breakthroughs and trends within this groundbreaking technology. Tables of content and a sample issue may be viewed on the 3D Printing and Additive Manufacturing website.
About the Publisher
Mary Ann Liebert, Inc., publishers is a privately held, fully integrated media company known for establishing authoritative medical and biomedical peer-reviewed journals, including Big Data, Soft Robotics, New Space, and Tissue Engineering. Its biotechnology trade magazine GEN (Genetic Engineering & Biotechnology News) was the first in its field and is today the industry’s most widely read publication worldwide. A complete list of the firm’s more than 80 journals, newsmagazines, and books is available on the Mary Ann Liebert, Inc., publishers website.
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