Process optimization through adaptation of shielding gas selection and feeding during laser beam welding

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Abstract

For this paper the influence of the shielding gas itself as well as the feeding method on austenitic welding joints was examined with thin sheets frequently used in the household appliance industry. The composition of the shielding gas mixture with active and/or inert gases was varied in the examination, and the effect on the weld seam could be made clear. By comparing different shielding gas feeding concepts, the process was optimized with regard to seam formation. Moreover, the influence of oxygen on the seam shape was examined in the deep welding regime on a specific example. © 2011 Published by Elsevier Ltd.

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Patschger, A., Sahib, C., Bergmann, J. P., & Bastick, A. (2011). Process optimization through adaptation of shielding gas selection and feeding during laser beam welding. In Physics Procedia (Vol. 12, pp. 46–55). Elsevier B.V. https://doi.org/10.1016/j.phpro.2011.03.007

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