Signature surveillance of nuclear fuel

Details Signature surveillance of nuclear fuel Signature surveillance of nuclear fuel

1980-04-07

1982-08-31

Cangialosi, Sal

Induced nuclear reactions: processes, systems, and elements

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

376257, 324201, G21C 1700, G01R 3316

Patent

active

043476228

ABSTRACT:
Typical nuclear fuel material contains tramp ferromagnetic particles of random size and distribution. Also, selected amounts of paramagnetic or ferromagnetic material can be added at random or at known positions in the fuel material. The fuel material in its nonmagnetic container can be scanned by magnetic susceptibility change detecting apparatus to provide a unique signal waveform of the container of fuel material as a signature thereof. At subsequent times in its life, the container similarly can be scanned to provide subsequent signatures. Comparison of the signatures reveals any alteration or tampering with the fuel material.

REFERENCES:
patent: 3801002 (1974-05-01), Sata
patent: 4243939 (1981-01-01), Grossman et al.

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