Reference : Resistance Measurement of Laser Welded Dissimilar AlCu Joints
Scientific journals : Article
Engineering, computing & technology : Materials science & engineering
Physics and Materials Science
http://hdl.handle.net/10993/33800
Resistance Measurement of Laser Welded Dissimilar AlCu Joints
English
[lb] Widerstandsmo├čen vun laser-schweesverbindungen aus artongleichem Al/Cu
Schmalen, Pascal Guy mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Plapper, Peter mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
2017
Journal of Laser Micro/Nanoengineering
12
3
189-194
Yes
[en] laser ; resistance ; dissimilar
[en] Aluminum and Copper were joined using the laser-based braze-welding process. By avoiding the intermixture of both conductive materials, the formation of brittle intermetallic compounds is strongly reduced. This results in a tough, ductile connection with reduced electric resistance. This paper describes a method, which is based on the 4-wire method, to measure the resistance of the weld seam. The arrangement of the conductive electrodes directly on top and bottom of the weld seam significantly increases the accuracy of the measured resistances, thus offers a direct estimation of the inter-metallic layer thickness. The electric measuring of the layer thickness is a non-destructive method, which assists in the reduction of the post-process effort (cross sections, pull tests, hardness measurements) and decreases the lead-time by reducing the time needed for the identification of suitable laser process parameters.
Researchers
http://hdl.handle.net/10993/33800
10.2961
http://www.jlps.gr.jp/jlmn/upload/bb317cc44d995b385137bd1639da8d1e.pdf
FnR ; FNR10155468 > Pascal Guy Schmalen > CoLaWeDi > Closed-Loop Control Of The Laser-Braze Welding Process Of Dissimilar Materials > 01/09/2015 > 14/03/2018 > 2015

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