Laser beam welding of nitride steel components

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Laser beam welding is a joining technique that has many advantages over conventional GMAW welding, such as low heat input, short cycle time as well as good cosmetic welds. Laser beam welding has been widely used for welding powertrain components in automotive industry. When welding nitride steel components, however, laser beam welding faces a great challenge. The difficulty lies in the fact that the nitride layer in the joint releases the nitrogen into the weld pool, resulting in a porous weld. This research presents an industrial ready solution to prevent the nitrogen from forming gas bubbles in the weld. © 2011 Published by Elsevier Ltd.

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Gu, H., Yin, G., & Shulkin, B. (2011). Laser beam welding of nitride steel components. In Physics Procedia (Vol. 12, pp. 40–45). Elsevier B.V.

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