Vapor deposition of hardened niobium

Details Vapor deposition of hardened niobium Vapor deposition of hardened niobium

1964-01-03

1983-04-19

Lovering, Richard D.

Coating processes

Radioactive base or coating

Particles or nuclear reactor fuel elements coated

118712, 118DIG5, 427213, G21C 306, B05D 700, B05C 1902

Patent

active

043805566

ABSTRACT:
A method of coating ceramic nuclear fuel particles containing a major amount of an actinide ceramic in which the particles are placed in a fluidized bed maintained at ca. 800.degree. to ca. 900.degree. C., and niobium pentachloride vapor and carbon tetrachloride vapor are led into the bed, whereby niobium metal is deposited on the particles and carbon is deposited interstitially within the niobium. Coating apparatus used in the method is also disclosed.

REFERENCES:
patent: 2901381 (1959-08-01), Teal
Euraec-309 AEC Document, "Study of the Coating of Ceramic Uraniferous Particles by Means of Metallic Niobium", Apr. 1962, pp. 1-10, (Abstracted in vol. 17, No. 18, p. 1638 of Nuclear Science Abstracts).
Eureac-409 AEC Document, "Coating of Uraniferous Ceramic Particles with Niobium Metal", Jul. 1962, pp. 1-10, (Abstracted in vol. 17, No. 18, p. 1445 of Nuclear Science Abstracts).

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