Published November 10, 1975 | Version v1
Patent

Improved nuclear fuel element

Description

A nuclear fuel element is described. It includes a central core formed by the nuclear fuel, a sleeve in metal chosen from among stainless steel, copper and its alloys, nickel and its alloys, surrounding the central core of nuclear fuel, a cladding around the metal sleeve and a chromium or chromium alloy diffusion barrier placed between the cladding and the metal sleeve. The diffusion barrier forms a coating on the internal face of the cladding and on the external face of the metal sleeve

Abstract (French)

On presente un element de combustible nucleaire. Il comprend un noyau central forme d'un corps de combustible nucleaire, une chemise en metal choisi parmi l'acier inoxydable, le cuivre et ses alliages, le nickel et ses alliages, entourant le noyau central de combustible nucleaire, une gaine allongee entourant la chemise metallique et une barriere de diffusion en chrome ou en alliages de chrome disposee entre la gaine et la chemise metallique. La barriere de diffusion forme un revetement sur la surface interne de la gaine et sur la surface exterieure de la chemise metallique

Additional details

Additional titles

Original title (French)
Element de combustible nucleaire perfectionne

Publishing Information

Imprint Pagination
12 p.
IPC:
Int. Cl. G21c3/20.
IPC
Int. Cl. G21c3/20.
Patent number
FR patent document 2290737/A/

INIS

Country of Publication
France
Country of Input or Organization
France
INIS RN
8303500
Subject category
S22: GENERAL STUDIES OF NUCLEAR REACTORS;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
COATINGS; FABRICATION; FUEL CANS; FUEL ELEMENTS; SLEEVES; ZIRCONIUM ALLOYS
Descriptors DEC
ALLOYS; REACTOR COMPONENTS; TRANSITION ELEMENT ALLOYS

Optional Information

Notes
Available from Institut National de la Propriete Industrielle, Paris (France); priority claim: 11 Nov 1974, US.