Pulsed Nd:YAG welding of crack-sensitive aluminium-magnesium alloys

A. Arun Junai; Martien H.H. van Dijk; M. J. M. Hiensch; A. J.H. Rijnders; Gerard J.A.M. Notenboom; G. Jelmorini

doi:10.1117/12.20596

1 August 1990 Pulsed Nd:YAG welding of crack-sensitive aluminium-magnesium alloys

A. Arun Junai, Martien H.H. van Dijk, M. J. M. Hiensch, A. J.H. Rijnders, Gerard J.A.M. Notenboom, G. Jelmorini

Proceedings Volume 1277, High-Power Solid State Lasers and Applications; (1990) https://doi.org/10.1117/12.20596
Event: The International Congress on Optical Science and Engineering, 1990, The Hague, Netherlands

Abstract

This study was undertaken to produce crack free seam welds of aluminium-magnesium alloys [5083 and 5754] using pulsed Nd:YAG laser. All the experiments in similar alloy welding without filler material addition resulted in welds with cracks. Electron micro probe analysis of the welds were carried out and it was found that the percentage of magnesium was reduced by 1 to 2 percent. Experiments with different filler material additions were carried out to avoid cracking. Using 4047 or 4043 as a filler material crack free welds can be obtained provided the weld metal contains at least 4% silicon.

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A. Arun Junai, Martien H.H. van Dijk, M. J. M. Hiensch, A. J.H. Rijnders, Gerard J.A.M. Notenboom, and G. Jelmorini "Pulsed Nd:YAG welding of crack-sensitive aluminium-magnesium alloys", Proc. SPIE 1277, High-Power Solid State Lasers and Applications, (1 August 1990); https://doi.org/10.1117/12.20596

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