Spatter Reduction in Coherent Beam Combining Laser Welding of Aluminum through Intensity Distribution and Deflection Frequency Adjustment for Low Penetration Wide Welds in Transition Mode

Simon Olschok, Reza Sanei, Özge Özdemir, Luca Iasevoli

RWTH Aachen University, Germany

Submillimeter defect detection by laser ultrasonic testing for AM parts in unilateral position

Andreas Krämer¹, Thomas Seefeld^1,2, Tim Radel^1,2

¹BIAS – Bremer Institut für angewandte Strahltechnik GmbH, Klagenfurter Straße 5, 28359 Bremen, Germany; ²MAPEX Center for Materials and Processes, Postfach 330 440, 28334 Bremen

Comparative analysis of CW and pulsed laser processing for surface improvement of aluminum giga-casting components

Apoorva Nagarkar¹, Jan-Hendrik Koch¹, Florian Hüsing¹, Christian Brecher^1,2

¹Fraunhofer Institute for Production Technology IPT, Steinbachstraße 17, 52074 Aachen, Germany; ²Laboratory for Machine Tools and Production Engineering WZL of the RWTH Aachen University, Campus-Boulevard 30, 52074 Aachen, Germany

Coupling ultrasound-induced nucleation mechanism and ring-mode beam shaping in laser welded AA6063 extrusions

Venkat Vivek Pamarthi¹, Samiul Hoque³, Phil Carr³, Hiren R. Kotadia², Pasquale Franciosa¹

¹Warwick Manufacturing Group, University of Warwick, United Kingdom; ²School of Engineering and Built Environment, Liverpool John Moores University, Liverpool L3 3AF, UK; ³Carr’s Welding Technologies, Ltd, Kettering, NN16 8PX, UK

Evaluation of optimization strategies for enhanced joint properties in indirect laser welding of copper to aluminum

Niclas Hober, Majd Mustafa, Christian Diegel, Leander Schmidt, Jean Pierre Bergmann

Technische Universität Ilmenau, Germany