2015
DOI: 10.4028/www.scientific.net/amm.805.171
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Influence of Surface Structured Filler Wires on Laser Beam Welding of Copper Alloys

Abstract: Compared to steel, the required amount of energy for conventional welding of copper is higher, due to its higher thermal conductivity. This problem is mainly solved by preheating the work pieces or welding processes with high intensities such as laser beam welding. As the absorption of copper for infrared wavelengths, which are commonly used in industrial applications today, is typically low, the energy efficiency of the laser welding process is low. Besides this, if filler wires are used in order to increase … Show more

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