Composition for radiation shielding

Details Composition for radiation shielding Composition for radiation shielding

1993-02-08

1994-08-02

Berman, Jack I.

Radiant energy

Radiation controlling means

Shielded receptacles for radioactive sources

2505151, 2505181, G21F 112

Patent

active

053348478

ABSTRACT:
A composition for use as a radiation shield. The shield has a depleted urum core for absorbing gamma rays and a bismuth coating for preventing chemical corrosion and absorbing gamma rays. Alternatively, a sheet of gadolinium may be positioned between the uranium core and the bismuth coating for absorbing neutrons. The composition is preferably in the form of a container for storing materials that emit radiation such as gamma rays and neutrons. The container is preferably formed by casting bismuth around a pre-formed uranium container having a gadolinium sheeting, and allowing the bismuth to cool. The resulting container is a structurally sound, corrosion-resistant, radiation-absorbing container.

REFERENCES:
patent: Re29876 (1979-01-01), Reese
patent: 3016463 (1962-01-01), Needham
patent: 3732423 (1973-05-01), Peterson
patent: 4123392 (1978-10-01), Hall et al.
patent: 4868400 (1989-09-01), Barnhart et al.
patent: 5015863 (1991-05-01), Takeshima et al.

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