Method of arc welding under water

Details Method of arc welding under water Method of arc welding under water

1977-01-12

1979-02-13

Goldberg, E. A.

Electric heating

Metal heating

Nonatmospheric environment at hot spot

219 72, 219137WM, 21914624, B23K 916

Patent

active

041397584

ABSTRACT:
In a method of arc welding under water or at superatmospheric pressure (or both) the weld is made in a chamber containing a gaseous atmosphere. The weld metal is deposited from flux-cored welding wire whose core contains strong deoxidant(s) such as aluminium, magnesium, titanium, zirconium, lithium and calcium. A shielding gas containing a selected proportion of oxygen or oxygen-containing gas but consisting mainly of an inert gas such as argon or helium is employed to surround the arc. The shielding gas is constituted by the atmosphere in the chamber.

REFERENCES:
patent: 2281070 (1942-04-01), Jennings
patent: 3527916 (1970-09-01), Ebert et al.
patent: 3566073 (1971-02-01), Black
patent: 3670135 (1972-06-01), Zvanut
patent: 3837171 (1974-09-01), Scurlock
patent: 3876852 (1975-04-01), Topham

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