Welding for reactor vessel repair: Progress report
Repair of intergranular stress corrosion cracking which may develop in SRP reactor vessels will be complicated by helium-induced weld cracking. The current leading candidate repair technique is a low heat input weld overlay which reduces the helium effect. Recent experiments show that low heat input Gas Metal Arc (GMA) weld overlays dramatically reduce helium-induced weld cracking in Type 304 stainless steel. The experiments indicate that helium-induced cracking is controlled by the heat input of the weld and the helium content of the material. Subsequent experiments may prove this type of weld overlay to be a suitable sealing technique for intergranular stress corrosion cracks (IGSCC) in irradiated stainless steel. 8 refs., 8 figs.
- Research Organization:
- Du Pont de Nemours (E.I.) and Co., Aiken, SC (USA). Savannah River Lab.
- DOE Contract Number:
- AC09-76SR00001
- OSTI ID:
- 6300618
- Report Number(s):
- DPST-89-255; ON: DE89010408
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
220700* -- Nuclear Reactor Technology-- Plutonium & Isotope Production Reactors
ALLOYS
ARC WELDING
AUSTENITIC STEELS
C REACTOR
CHEMICAL REACTIONS
CHROMIUM ALLOYS
CHROMIUM-NICKEL STEELS
CONTAINERS
CORROSION
CORROSION RESISTANT ALLOYS
CRACKING
DECOMPOSITION
DOCUMENT TYPES
FABRICATION
GAS METAL-ARC WELDING
HEAT RESISTANT MATERIALS
HEAT RESISTING ALLOYS
HEAVY WATER MODERATED REACTORS
HIGH ALLOY STEELS
IRON ALLOYS
IRON BASE ALLOYS
JOINING
K REACTOR
L REACTOR
MATERIALS
NATIONAL ORGANIZATIONS
NICKEL ALLOYS
P REACTOR
PRODUCTION REACTORS
PROGRESS REPORT
PYROLYSIS
REACTOR VESSELS
REACTORS
SAVANNAH RIVER PLANT
SPECIAL PRODUCTION REACTORS
STAINLESS STEEL-304
STAINLESS STEELS
STEEL-CR19NI10
STEELS
THERMOCHEMICAL PROCESSES
US AEC
US DOE
US ERDA
US ORGANIZATIONS
WELDING