Protective gas for the laser welding of aluminum

Details Protective gas for the laser welding of aluminum Protective gas for the laser welding of aluminum

B - Operations, Transporting

23

K

B23K 26/12 (2006.01) B23K 35/38 (2006.01)

Patent

CA 2130731

ABSTRACT In the laser welding of aluminum, argon, helium and mixtures thereof are used as protective gases. To improve the welding behaviour, 80 vpm to 250 vpm, preferably 120 vpm to 180 vpm of nitrogen, nitrous oxide or nitrogen/nitrous oxide mixture are added to the protective gas.

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