Patrik Hoffmann (right) informed Lijun Yu from Han’s Holdings Group (Switzerland) AG and Flame Chen from Han’s Laser Smart Equipment Group (center) about Empa’s research in the field of additive manufacturing. Image: Empa
The managing directors of one of the world's largest laser technology manufacturers visited Empa in Thun recently. Flame Chen, General Manager of the Han's Laser Smart Equipment Group from Shenzen, was informed about current research projects by Empa researcher Patrik Hoffmann. The focus of the visit of the Chinese entrepreneurs was the "Powder-Feed 3D Printing Technology" (also called "Laser Deposition Welding) which is being researched at Hoffmann's Laboratory for "Advanced Materials Processing". In laser deposition welding, metal powder is dosed directly into a laser beam. The technology makes it possible to combine different materials in different compositions in a single workpiece. Material gradients are also possible. The technology also has the potential to produce particularly thin-walled, free-standing 3D structures in the future.
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