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. https://www.fabbaloo.com/blog/2019/10/11/another-dirty-secret-of-metal-3d-printing-oxygen-contamination
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ANOTHER DIRTY SECRET OF METAL 3D PRINTING: OXYGEN CONTAMINATION
I’ve just learned of another gotcha in the complex field of metal 3D printing from the folks at BOC. BOC, part of the Linde Group, is one of the world’s largest industrial gas suppliers. Nitrogen and argon are frequently used in metal 3D printers, so they are obviously involved in the technology. KERRY STEVENSON READ MORE