Weld monitor and failure detector for nuclear reactor system

Details Weld monitor and failure detector for nuclear reactor system Weld monitor and failure detector for nuclear reactor system

1983-10-21

1987-06-23

Cangialosi, Sal

Induced nuclear reactions: processes, systems, and elements

Testing, sensing, measuring, or detecting a fission reactor...

Leak detection

G21C 1700

Patent

active

046751467

ABSTRACT:
Critical but inaccessible welds in a nuclear reactor system are monitored throughout the life of the reactor by providing small aperture means projecting completely through the reactor vessel wall and also through the weld or welds to be monitored. The aperture means is normally sealed from the atmosphere within the reactor. Any incipient failure or cracking of the weld will cause the environment contained within the reactor to pass into the aperture means and thence to the outer surface of the reactor vessel where its presence is readily detected.

REFERENCES:
patent: 3157580 (1964-11-01), Williams
patent: 3664922 (1972-05-01), Piwinsky et al.
patent: 4033813 (1977-07-01), Holt et al.
patent: 4259152 (1981-03-01), Pennell et al.

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