Influence of the Local Chemical Composition on the Mechanical Properties of Laser Beam Welded Al-Li Alloys

Enz, J.; Riekehr, S.; Ventzke, V.; Kashaev, N.

Journalpaper

Influence of the Local Chemical Composition on the Mechanical Properties of Laser Beam Welded Al-Li Alloys

Abstract

The increasing interest of the aircraft industry in reduction of structural weight of aircrafts has resulted in the development of lightweight and high-strength Al-Li alloys as well as in the introduction of laser beam welding to the manufacturing process. The objective of this study is the investigation of the influence of variations in the chemical composition on local mechanical properties, like micro-hardness and micro-tensile strength, of CO 2 laser beam welded skin-stringer joints made from AA2196 and AA2198. Additionally the influence of the welding process on weld chemistry is studied in view of the improvement of the weld quality.

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DOI Link to Publication

URL: https://publications.hereon.de/id/30472/
Authors:Enz, J., Riekehr, S., Ventzke, V., Kashaev, N.
Year:2012
In: Physics Procedia
Volume:39
Pages:51 - 58
Publisher:Elsevier
Type:Journalpaper
ISSN: 1875-3892
Cite as: Enz, J.; Riekehr, S.; Ventzke, V.; Kashaev, N.: Influence of the Local Chemical Composition on the Mechanical Properties of Laser Beam Welded Al-Li Alloys. In: Physics Procedia. Vol. 39 (2012) 51 - 58. (DOI: 10.1016/j.phpro.2012.10.013)