Method of repairing leaks in steam generator tubes

Details Method of repairing leaks in steam generator tubes Method of repairing leaks in steam generator tubes

1982-11-18

1985-04-30

Ramsey, Kenneth J.

Metal fusion bonding

Process

Using explosive energy

228119, 228 25, B23K 2008

Patent

active

045139032

ABSTRACT:
A method of sealing leaking steam generator tubes without substantially restricting the fluid flow area by explosively welding a cylindrical sleeve over the degraded area of the tube. The sleeve has a wall thickness of approximately 0.010 to 0.040 inches and a length of about 1.5 to 4.0 inches, the weld occurs over the entire length of the sleeve.

REFERENCES:
patent: Re30802 (1981-11-01), Rogers
patent: 3912148 (1975-10-01), Johnson
patent: 4028789 (1977-06-01), Loch
patent: 4216893 (1980-08-01), Glatthorn
Olds, "Sleeving Saves Nuclear Steam Generator Tubes", Power Engineering, vol. 85, No. 12, (Dec. 1981) pp. 73-75.

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