Stress corrosion crack repair by plasma arc welding underwater w

Details Stress corrosion crack repair by plasma arc welding underwater w Stress corrosion crack repair by plasma arc welding underwater w

1996-04-08

1998-02-17

Paschall, Mark H.

Electric heating

Metal heating

By arc

21912145, 21912159, 219 72, B23K 1000

Patent

active

057193690

ABSTRACT:
Stress corrosion cracking damage to stainless steels and nickel base superalloys is repaired by underwater plasma transferred arc welding which under conditions which reduce residual tensile stresses in the weld and adjacent portions of the repaired structure.

REFERENCES:
patent: 3898418 (1975-08-01), Hasui
patent: 4039798 (1977-08-01), Lythall et al.
patent: 4154999 (1979-05-01), Pinfold et al.
patent: 4649858 (1987-03-01), Sakai et al.
patent: 5412176 (1995-05-01), Keenan

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