Water reactor fuel cladding

Details Water reactor fuel cladding Water reactor fuel cladding

1984-03-14

1986-09-23

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Encased with nonfuel component

376414, 376900, G21C 300

Patent

active

046134794

ABSTRACT:
Described herein is a water reactor composite nuclear fuel rod cladding tube which includes two concentric metallic layers metallurgically bonded to each other. The outer layer is composed of a conventional zirconium base alloy having high strength and excellent aqueous corrosion resistance. The inner layer is composed of: a low oxygen, BCC crystal structure niobium base material, containing less than about 59 w/o zirconium; or a ferritic stainless steel. This inner layer material is characterized by the ability to prevent the propagation of cracks initiated during reactor operation due to pellet-cladding interaction.

REFERENCES:
patent: 3230150 (1966-01-01), Martin
patent: 3354043 (1967-11-01), Boettcher
patent: 3969186 (1976-07-01), Thompson
patent: 3988075 (1976-10-01), Penrose
patent: 4049431 (1977-09-01), Hazel
patent: 4049432 (1977-09-01), Hazel
patent: 4530719 (1985-07-01), Johnson

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