Process and gaseous mixture for arc welding of aluminium compone

Details Process and gaseous mixture for arc welding of aluminium compone Process and gaseous mixture for arc welding of aluminium compone

1996-09-04

1997-09-16

Shaw, Clifford C.

Electric heating

Metal heating

Nonatmospheric environment at hot spot

219137WM, B23K 9167

Patent

active

056677022

ABSTRACT:
The arc welding, with a refractory electrode, using alternating current, is performed with a gaseous protective mixture employing, at the location of the weld, at least 60%, typically between 70 and 80% of helium and more than 1000 vpm, typically between 1100 and 1200 vpm, of carbon dioxide, the remainder being argon.
Application to manual or automatic welding of aluminium components.

REFERENCES:
patent: 2859329 (1958-11-01), Lesnewich
patent: 3470346 (1969-09-01), Duboz
patent: 3496323 (1970-02-01), Lesnewich et al.
patent: 4857692 (1989-08-01), Larson et al.
patent: 4973822 (1990-11-01), Evans et al.
patent: 5083002 (1992-01-01), Hoback et al.
patent: 5210388 (1993-05-01), Farwer

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