Welding of thick section steel up to 50 mm with high brightness laser

By: Xudong Zhang, Eiji Ashida Hitachi Materials Laboratory, Hitachi Ltd., Japan Shoh Tarasawa Hitachi-GE Nuclear Energy, Ltd., Japan Seiji Katayama Joining and Welding Research Institute, Osaka University, Japan Gas jet laser welding can increase the fusion depth of laser welded joints by 35% compared with conventional laser welding technology (Fig.1). It becomes possible to weld […]

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Acoustic monitoring of weld penetration during laser welding of high strength steels

Acoustic monitoring of weld penetration during laser welding of high strength steels

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Laser cutting of paper materials

Improvements in laser cutting of paper showing improved edge quality and reduced cuts compared to conventional cuts. Recommended uses small lots with digital printing high accuracy/ complex geometries, flexible production/fast deliveries, and tailor-made products.

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Acoustic monitoring of weld penetration during laser welding of high strength steels

By: Wei Huang, Radovan Kovacevic Research Center for Advanced Manufacturing, Southern Methodist University High-strength steels are being found of great applications in different industries because of their high strength-to-weight ratio. In order to achieve a high quality weld with full weld penetration during the laser welding process of the high strength steel, acoustic monitoring based […]

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