Article (Scientific journals)
Evaluation of laser braze-welded dissimilar Al-Cu joints
Schmalen, Pascal Guy; Plapper, Peter
2016In Physics Procedia, 83, p. 506-514
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Keywords :
laser; dissimilar; braze-welding; aluminum; copper; evaluation
Abstract :
[en] The thermal joining of Aluminum and Copper is a promising technology towards automotive battery manufacturing. The dissimilar metals Al-Cu are difficult to weld due to their different physicochemical characteristics and the formation of intermetallic compounds (IMC), which have reduced mechanical and electric properties. There is a critical thickness of the IMCs where the favored mechanical properties of the base material can be preserved. The laser braze welding principle uses a position and power oscillated laser-beam to reduce the energy input and the intermixture of both materials and therefore achieves minimized IMCs thickness. The evaluation of the weld seam is important to improve the joint performance and enhance the welding process. This paper is focused on the characterization and quantification of the IMCs. Mechanical, electrical and metallurgical methods are presented and performed on Al1050 and SF-Cu joints and precise weld criteria are developed.
Research center :
UL-RUES
Disciplines :
Mechanical engineering
Author, co-author :
Schmalen, Pascal Guy ;  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 :
Evaluation of laser braze-welded dissimilar Al-Cu joints
Alternative titles :
[lb] Evaluation vun laser schweeß-geléideten artongleichen Al-Cu connéctiounen
Publication date :
2016
Journal title :
Physics Procedia
ISSN :
1875-3884
Publisher :
Elsevier, Amsterdam, Netherlands
Volume :
83
Pages :
506-514
Peer reviewed :
Peer Reviewed verified by ORBi
Focus Area :
Physics and Materials Science
FnR Project :
FNR10155468 - Closed-loop Control Of The Laser-braze Welding Process Of Dissimilar Materials, 2015 (01/09/2015-14/03/2019) - Pascal Guy Schmalen
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