Method and structure for preventive maintaining an elongated met

Details Method and structure for preventive maintaining an elongated met Method and structure for preventive maintaining an elongated met

1990-08-02

1993-07-13

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Handling of fission reactor component structure within...

376205, 376305, 228107, G21C 1900

Patent

active

052271242

ABSTRACT:
An ICM housing welded to a wall of a reactor pressure vessel in operation is provided with a molten metal layer containing 4 wt. % or more .delta. ferrite at a portion of an inner peripheral surface thereof which corresponds to a weld. A sleeve made of stainless steel is located at the competent portion of the inner peripheral surface of the ICM housing stainless steel so as to be molten by means of a TIG welding machine to form the molten metal layer. The molten metal layer prevents stress corrosion cracking of the ICM housing.

REFERENCES:
patent: 4513903 (1985-04-01), Fieldstein et al.
patent: 4847967 (1989-07-01), Gaudin

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