Laser beam joining of material combinations for automotive applications

Emil Schubert; Ingo Zerner; Gerd Sepold

doi:10.1117/12.281079

18 August 1997 Laser beam joining of material combinations for automotive applications

Emil Schubert, Ingo Zerner, Gerd Sepold

Proceedings Volume 3097, Lasers in Material Processing; (1997) https://doi.org/10.1117/12.281079
Event: Lasers and Optics in Manufacturing III, 1997, Munich, Germany

Abstract

An ideal material for automotive applications would combine the following properties: high corrosion resistance, high strength, high stiffness and not at least a low material price. Today a single material is not able to meet all these requirements. Therefore, in the future different materials will be placed where they meet the requirements best. The result of this consideration is a car body with many different alloys and metals, which have to be joined to one another. BIAS is working on the development of laser based joining technologies for different material combinations, especially for thin sheets used in automotive applications. One result of the research is a joining technology for an aluminum-steel-joint. Using a Nd:YAG laser the problem of brittle intermetallic phases between these materials was overcome. Using suitable temperature-time cycles, elected by a FEM-simulation, the thickness of intermetallic phases was kept below 10 micrometers . This technology was also applied to coated steels, which were joined with different aluminum alloys. Further it is demonstrated that titanium alloys, e.g. used for racing cars, can also be joined with aluminum alloys.

Citation Download Citation

Emil Schubert, Ingo Zerner, and Gerd Sepold "Laser beam joining of material combinations for automotive applications", Proc. SPIE 3097, Lasers in Material Processing, (18 August 1997); https://doi.org/10.1117/12.281079

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