Inert gas for the arc welding of aluminum

Details Inert gas for the arc welding of aluminum Inert gas for the arc welding of aluminum

1995-06-08

1996-09-24

Shaw, Clifford C.

Electric heating

Metal heating

By arc

219 74, 219 75, 252372, B23K 9167, B23K 9173

Patent

active

055587917

ABSTRACT:
In arc welding of aluminum using an inert gas, such as argon or a mixture of argon and helium, 80 to 250 ppm of a mixture of N.sub.2 and N.sub.2 O is added to the inert gas to improve the welding process and the welding result.

REFERENCES:
patent: 4292493 (1981-09-01), Selander et al.
patent: 5210388 (1993-05-01), Farwer
patent: 5210389 (1993-05-01), Farwer

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