Corrosion resistant zirconium alloys containing copper, nickel a

Details Corrosion resistant zirconium alloys containing copper, nickel a Corrosion resistant zirconium alloys containing copper, nickel a

1989-05-25

1991-01-22

Lechert, Jr., Stephen J.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Encased with nonfuel component

376416, 376421, 376457, 420422, 420423, G21C 300

Patent

active

049869574

ABSTRACT:
Zirconium-based corrosion resistant alloys for use primarily as a cladding material for fuel rods in a boiling water nuclear reactor consist essentially of by weight percent about 0.5 to 2.0 percent thin, about 0.24 to 0.40 percent of a solute composed of copper, nickel and iron, wherein the copper is at least 0.05 percent, and the balance zirconium. Nuclear fuel elements for use in the core of a nuclear reactor have improved corrosion resistant cladding made from these zirconium alloys or composite claddings have a surface layer of the corrosion resistant zirconium alloys metallurgically bonded to the outside surface of a Zircaloy alloy tube. The claddings may contain an inner barrier layer of moderate purity zirconium metallurigcally bonded on the inside surface of the cladding to procide protection from fission products and gaseous impurities generated by the enclosed nuclear fuel.

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