Paper Title:
Bifocal Hybrid Laser Beam Welding and Friction Stir Welding of Aluminium Extrusion Components
  Abstract

On a global market, new products are subject to rising requirements regarding strength and quality. Simultaneously, the conservation of the environment and natural resources has become a key priority. One approach to these demands is the weight reduction of mechanical components by lightweight construction. The Transregional Collaborative Research Center (TR 10), funded by the German Research Foundation (DFG), is therefore working on the “Integration of forming, cutting and joining for the flexible production of lightweight space structures”. The use of light metals, like aluminium and composite materials is a main part in the TR10 process chain. This paper deals with the challenges of welding of light weight components made out of EN AW-6060. It shows the use and potentials of two innovative joining processes, particularly suited for welding aluminium. Especially developed for the fusion welding of aluminium components, BHLW (Bifocal Hybrid Laser Beam Welding), combines a Nd:YAG and a high power diode laser. The paper will give insight into the findings of the achieved results so far and line out the further proceedings with regard to critical parameters and their effect on the overall laser welding process. For the welding of aluminium composite materials, which play a big role in the TR10 process chain, Friction Stir Welding (FSW) is evaluated. As a solid state joining process, it can be used for the welding of materials that are hardly weldable with fusion welding techniques. In this paper, results of basic experiment for the joining of reinforced aluminium and the resulting process forces are presented.

  Info
Periodical
Edited by
Klaus Weinert, Jürgen Fleischer, A. Erman Tekkaya, Michael Zäh, and Marco Schikorra
Pages
69-80
DOI
10.4028/www.scientific.net/AMR.43.69
Citation
M. F. Zaeh, P. Gebhard, S. Huber, M. Ruhstorfer, "Bifocal Hybrid Laser Beam Welding and Friction Stir Welding of Aluminium Extrusion Components", Advanced Materials Research, Vol. 43, pp. 69-80, 2008
Online since
April 2008
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