Comparative study of aluminum and steel welding with cw and repetitively Q-switched Nd:YAG lasers

Kurt Richter; Georg Bostanjoglo; R. Dommaschk; R. Mayrhofer; Dieter Paethe; Horst Weber

doi:10.1117/12.251175

23 September 1996 Comparative study of aluminum and steel welding with cw and repetitively Q-switched Nd:YAG lasers

Kurt Richter, Georg Bostanjoglo, R. Dommaschk, R. Mayrhofer, Dieter Paethe, Horst Weber

Proceedings Volume 2789, High-Power Lasers: Applications and Emerging Applications; (1996) https://doi.org/10.1117/12.251175
Event: Lasers, Optics, and Vision for Productivity in Manufacturing I, 1996, Besancon, France

Abstract

Q-switched cw pumped Nd:YAG lasers provide high output power in combination with high peak power and high repetition frequencies. Welding highly reflecting materials, this operation mode should improve the coupling conditions of the laser beam. The experiments show a significant influence of the welding depth and the seam dimension. Furthermore, the beam quality is an important facto for the geometry of the welding seam. However at the achievable low spot diameters, the quality of the seam surface and the existence of pores reduce the advantage of this technique.

Citation Download Citation

Kurt Richter, Georg Bostanjoglo, R. Dommaschk, R. Mayrhofer, Dieter Paethe, and Horst Weber "Comparative study of aluminum and steel welding with cw and repetitively Q-switched Nd:YAG lasers", Proc. SPIE 2789, High-Power Lasers: Applications and Emerging Applications, (23 September 1996); https://doi.org/10.1117/12.251175

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