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Toward 3D Printing of Pure Metals by Laser-Induced Forward Transfer
Claas Willem Visser1, Ralph Pohl2, Chao Sun1
1Physics of Fluids Group, Faculty of Science and Technology, University of Twente, Drienerlolaan 5, 7500AE, Enschede, The Netherlands.
Advanced Materials (Deerfield Beach, Fla.)
|June 6, 2015
Abstract:
3D printing of common metals is highly challenging because metals are generally solid at room conditions. Copper and gold pillars are manufactured with a resolution below 5 μm and a height up to 2 mm, using laser-induced forward transfer to create and eject liquid metal droplets. The solidified drop's shape is crucial for 3D printing and is discussed as a function of the laser energy.
