MetalPrinting Gauss MT90 3D printer offers office‑safe metal printing without powders
Cornell research shows that underwater 3D printing can be used to build or repair ocean structures in place
Importantly, this ‘softening not melting’ technique means that the finished 3D printed material retains a “hardness of over 1400 HV, without introducing any defects or decomposition.” This hardness level is just below super-hard materials like sapphire and diamond, and pretty amazing for 3D printed output.
“The approach of forming metal materials by softening them rather than fully melting them is novel, and it has the potential to be applied not only to cemented carbides, which were the focus of this study, but also to other materials,” said Keita Marumoto, an assistant professor at Hiroshima University’s Graduate School of Advanced Science and Engineering.
Going forward, the research team, which also consists of Takashi Abe, Keigo Nagamori, Hiroshi Ichikawa, Akio Nishiyama, and Motomichi Yamamoto, are aiming to implement various process refinements. Specifically, the scientists hope to eliminate some cracking issues they have experienced using the current process, and develop their process to create more complex shapes.
3D printing with metals is far more challenging than printing with plastics, as metallic alloys require extreme temperatures, and undergo complex thermal cycles and phase changes during processing.
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Reference reading
- https://www.tomshardware.com/3d-printing/SPONSORED_LINK_URL
- https://www.tomshardware.com/3d-printing/3d-printing-with-one-of-the-worlds-hardest-tungsten-based-materials-is-now-possible-materials-incredible-hardness-made-it-difficult-to-additively-manufacture#main
- https://www.tomshardware.com
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