Synchrotron X-ray imaging-based description of the effect of core-to-ring intensity distribution on the keyhole behavior in laser welding of die-cast aluminum [47]

Jean Pierre Bergmann¹, Leander Schmidt¹, Klaus Schricker^1,2, Christian Diegel¹, Marc Seibold¹, Hannes Friedmann¹, Peter Hellwig¹, Fabian Fröhlich¹, Falk Nagel³, Peter Kallage³, Alexander Rack⁴, Herwig Requardt⁴, Yunhui Chen^4,5

1: Technische Universität Ilmenau, Production Technology Group, Ilmenau, Germany; 2: Brandenburg University of Technology Cottbus-Senftenberg, Chair of Joining and Welding Technology, Cottbus, Germany; 3: Coherent, Hamburg, Germany; 4: ESRF – The European Synchrotron, Grenoble, France; 5: RMIT Centre for Additive Manufacturing, RMIT University, Melbourne 3000, Australia