Induced nuclear reactions: processes – systems – and elements – Fuel component structure – Encased with nonfuel component
Patent
1981-01-26
1983-09-20
Cangialosi, Sal
Induced nuclear reactions: processes, systems, and elements
Fuel component structure
Encased with nonfuel component
G21C 320
Patent
active
044060122
ABSTRACT:
An improved nuclear fuel element is disclosed for use in the core of nuclear reactors. The improved nuclear fuel element has a composite cladding of an outer portion forming a substrate having on the inside surface a metal layer selected from the group consisting of copper, nickel, iron and alloys of the foregoing with a gap between the composite cladding and the core of nuclear fuel. The nuclear fuel element comprises a container of the elongated composite cladding, a central core of a body of nuclear fuel material disposed in and partially filling the container and forming an internal cavity in the container, an enclosure integrally secured and sealed at each end of said container and a nuclear fuel material retaining means positioned in the cavity. The metal layer of the composite cladding prevents perforations or failures in the cladding substrate from stress corrosion cracking or from fuel pellet-cladding interaction or both. The substrate of the composite cladding is selected from conventional cladding materials and preferably is a zirconium alloy.
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Cowan, II Robert L.
Davies John H.
Gordon Gerald M.
Cangialosi Sal
General Electric Company
James, Jr. Ivor J.
Simkins Raymond G.
Turner Samuel E.
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