9:00am - 9:20am

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 [76]

Simon Olschok, Reza Sanei, Özge Özdemir, Luca Iasevoli

RWTH Aachen University, Germany

9:20am - 9:40am

Submillimeter defect detection by laser ultrasonic testing for AM parts in unilateral position [77]

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

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

9:40am - 10:00am

Comparative analysis of CW and pulsed laser processing for surface improvement of aluminum giga-casting components [78]

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

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

10:00am - 10:20am

Coupling ultrasound-induced nucleation mechanism and ring-mode beam shaping in laser welded AA6063 extrusions [79]

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

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

10:20am - 10:40am

Evaluation of optimization strategies for enhanced joint properties in indirect laser welding of copper to aluminum [80]

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

Technische Universität Ilmenau, Germany