Radiation shielding composition

Details Radiation shielding composition Radiation shielding composition

1998-07-28

2000-12-26

Nguyen, Kiet T.

Radiant energy

Radiation controlling means

Shielded receptacles for radioactive sources

2505151, 2505181, G21F 300

Patent

active

061663905

ABSTRACT:
A composition for use as a radiation shield. The shield is a concrete product containing a stable uranium aggregate for attenuating gamma rays and a neutron absorbing component, the uranium aggregate and neutron absorbing component being present in the concrete product in sufficient amounts to provide a concrete having a density between about 4 and about 15 grams/cm.sup.3 and which will at a predetermined thickness, attenuate gamma rays and absorb neutrons from a radioactive material of projected gamma ray and neutron emissions over a determined time period. The composition is preferably in the form of a container for storing radioactive materials that emit gamma rays and neutrons. The concrete container preferably comprises a metal liner and/or a metal outer shell. The resulting radiation shielding container has the potential of being structurally sound, stable over a long period of time, and, if desired, readily mobile.

REFERENCES:
patent: 5015863 (1991-05-01), Takeshima et al.
patent: 5786611 (1998-07-01), Quapp et al.
patent: 5832392 (1998-11-01), Forsberg
patent: 5949084 (1999-09-01), Schwartz

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