At last, a simple 3-D printer for metal
September 4, 2018, Elsevier
Used to produce three-dimensional objects of almost any type, across a range of industries, including healthcare, aviation and engineering, 3-D printed materials have come of age during the last decade. Research published in the journal Materials Today demonstrates a new approach to 3-D printing to fuse metallic filaments made from metallic glass into metallic objects.
Jan Schroers, Professor of Mechanical Engineering and Materials Science at Yale University and Desktop Metal, Inc., in Burlington, Massachusetts, USA, along with colleagues point out that 3-D printing of thermoplastics is highly advanced, but the 3-D printing of metals is still challenging and limited. The reason being that metals generally don't exist in a state that they can be readily extruded.
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https://phys.org/news/2018-09-simple-d-printer-metal.html#jCp
