Inner liners for fuel cladding having zirconium barriers layers

Details Inner liners for fuel cladding having zirconium barriers layers Inner liners for fuel cladding having zirconium barriers layers

1994-05-10

1996-05-14

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Encased with nonfuel component

376415, 376457, 376416, 376409, G21C 300

Patent

active

055175414

ABSTRACT:
The present invention provides a cladding having an outer circumferential substrate, a zirconium barrier layer metallurgically bonded to the inside surface of the substrate and an inner circumferential liner metallurgically bonded to the zirconium barrier. The inner circumferential liner is more ductile than conventional Zircaloy. The low ductility of the inner circumferential liner is obtained, for example, by using a zirconium alloy containing a low tin content (e.g. less than 1.2% by weight) and/or a low oxygen content (e.g. less than 1000 ppm). The inner circumferential liner is less than about 25 micrometers thick.

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