Laser welding of aluminum alloys: from fundamental investigation to industrial application

Friedrich Dausinger

doi:10.1117/12.377044

7 February 2000 Laser welding of aluminum alloys: from fundamental investigation to industrial application

Friedrich Dausinger

Proceedings Volume 3888, High-Power Lasers in Manufacturing; (2000) https://doi.org/10.1117/12.377044
Event: Advanced High-Power Lasers and Applications, 1999, Osaka, Japan

Abstract

Laser beam welding of aluminum alloys is rendered difficult by their specific material properties. On the other hand the productivity and quality of the laser process is very attractive for the manufacturing of light-weight constructions for e.g. all kinds of vehicles. In many years of research a fundamental understanding of the relevant technological and metallurgical mechanisms has been acquired. This allows to offer guidelines for a successful adaptation of the welding process to specific needs of applications. Factors relevant for deep penetration threshold, process efficiency, process stability and for minimizing metallurgical defects are discussed. Strength values of butt and overlap joints are presented. The results achieved allows us to recommend the laser technique for near-to-production investigations and series application, today.

Citation Download Citation

Friedrich Dausinger "Laser welding of aluminum alloys: from fundamental investigation to industrial application", Proc. SPIE 3888, High-Power Lasers in Manufacturing, (7 February 2000); https://doi.org/10.1117/12.377044

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