Method and device for the identification of leakiness in a neutr

Details Method and device for the identification of leakiness in a neutr Method and device for the identification of leakiness in a neutr

1989-07-06

1991-07-02

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

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

Leak detection

G21C 1700

Patent

active

050283804

ABSTRACT:
Disclosed are a method and device for the identification of the leakiness of a neutron-capturing pencil, or control rod, of a nuclear reactor. The pencil is placed in an impervious chamber filled with an aggressive chemical solution. The solution is put under pressure in order to make it penetrate the defective pencil, then this pressure is relaxed in order to enable the solution to go out of the presumably defective pencil in the impervious chamber. The solution is analyzed in order to show up metallic salts of the constituent elements of the core of the pencil. Application is to routine checks on neutron-capturing pencils of a pressurized-water nuclear reactor.

REFERENCES:
patent: 3042598 (1962-07-01), Crowther
patent: 4033813 (1977-07-01), Holt et al.
patent: 4072559 (1978-02-01), Neidl et al.
patent: 4696788 (1987-09-01), Seli
patent: 4741878 (1988-05-01), Gebelin et al.

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