Nuclear fuel cladding system

Details Nuclear fuel cladding system Nuclear fuel cladding system

1976-09-24

1979-03-27

Behrend, Harvey E.

176 73, G21C 320

Patent

active

041464311

ABSTRACT:
Pencil type nuclear fuel elements having a metallic, locally flexible cladding containing discrete fuel pellets in end-to-end packed relation to form a stack of fuel pellets, wherein the pellets are provided with individual expansion provision, to substantially preclude longitudinal expansive movement, are provided with a boundary coat of non-bonding lining material interposed between the pellets and the cladding, to promote peripheral creep of the cladding, relative to the pellets, to reduce the incidence of rupture failure extending longitudinally of the cladding or sheath, due to zero gauge lengths expansion stresses.

REFERENCES:
patent: 2990352 (1961-06-01), Finniston et al.
patent: 3085059 (1963-04-01), Burnham, Jr.
patent: 3119747 (1964-01-01), Wallace et al.
patent: 3140983 (1964-07-01), Waine
patent: 3376201 (1968-04-01), Bain
patent: 3801451 (1974-04-01), Scharf
patent: 3804708 (1974-04-01), Nilson
patent: 3901761 (1975-08-01), Wood
patent: 3925151 (1975-12-01), Klepfer

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