Process for coating the internal surface of zirconium tubes with

Details Process for coating the internal surface of zirconium tubes with Process for coating the internal surface of zirconium tubes with

1987-05-15

1988-08-09

Kyle, Deborah L.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Encased with nonfuel component

376419, G21C 306

Patent

active

047626755

ABSTRACT:
A process for forming a boron-containing coating on the internal surface of a zirconium or zirconium alloy hollow tube by heating the internal surface to a temperature of between 200.degree.-450.degree. C. and passing through the tube a mixture of a volatilized boron compound in helium or argon, such that the boron compound decomposes to form an integral boron containing coating on the internal surface.

REFERENCES:
patent: 3625821 (1971-12-01), Ricks
patent: 4560575 (1985-12-01), Eisenstatt et al.
patent: 4582676 (1986-04-01), Chubb
patent: 4587087 (1986-05-01), Radford et al.
patent: 4587088 (1986-05-01), Radford
patent: 4695476 (1987-09-01), Feild, Jr.
patent: 4708845 (1987-11-01), Mildrum et al.

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