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Laser overlap joining from copper to aluminum and analysis of failure zone
Mathivanan, Karthik; Plapper, Peter
2019Lasers in Manufacturing Conference 2019
 

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Keywords :
Aluminium-copper joints;; Laser welding; Intermetallic compounds
Abstract :
[en] Joining of copper and aluminum sheets are very crucial for battery application. When joining from copper sheet, keyhole mode of welding is essential to overcome the reflectivity and melting threshold of copper. However, in dissimilar material interaction the resulting intermetallic (IMC) phases are brittle, which result in reduced performance.This paper analyses the joint with laser beam irradiated from the copper side (Cu on top). The idea is to distribute the intermetallic compounds inside the joint to obtain a ductile behavior. The zones of failure and the distribution of the intermetallic phase is studied. The microstructural analysis of the fusion zone and mechanical strength of the joint are presented.
Research center :
Research Unit in Engineering Sciences (RUES)
Disciplines :
Mechanical engineering
Author, co-author :
Mathivanan, Karthik ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit
Plapper, Peter ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit
External co-authors :
no
Language :
English
Title :
Laser overlap joining from copper to aluminum and analysis of failure zone
Publication date :
26 June 2019
Number of pages :
10
Event name :
Lasers in Manufacturing Conference 2019
Event organizer :
German Scientific Laser Society (WLT)
Event place :
Munich, Germany
Event date :
23-7-2019 to 27-7-2019
By request :
Yes
Audience :
International
References of the abstract :
https://www.wlt.de/lim/index.html
Focus Area :
Physics and Materials Science
Name of the research project :
R-AGR-3264-10-C
Funders :
European Regional Development Fund (FEDER)
Available on ORBilu :
since 17 August 2019

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