Published April 10, 1979 | Version v1
Patent Metadata-only

Nuclear fuel elements

Creators

Description

Purpose: To provide nuclear fuel elements wherein gaps between the cladding tube and fuel pellets are filled with a metal powder, thereby to prevent occurrence of stress corrosion cracks in the cladding tube. Constitution: Nuclear fuel elements for use in LWR in which pellets of uranium dioxide are charged in the cladding tube made of zirconium, characterized in that gaps between said pellets of uranium dioxide and the cladding tube made of zircaloy are filled with a metal powder of at least a member selected from the group consisting of Zr, Cu, Ni, Fe, Sn, Mg, Ca and Zn. (Nakamura, S.)

Availability note (English)

Available from JAPATIC. Also available from INPADOC.

Additional details

Publishing Information

Imprint Pagination
2 p.
IPC:
Int. Cl. G21C3/20.
IPC
Int. Cl. G21C3/20.
Patent number
JP patent document 54-45494/A/

INIS

Country of Publication
Japan
Country of Input or Organization
Japan
INIS RN
11514298
Subject category
S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
COPPER; FABRICATION; FUEL CANS; FUEL ELEMENTS; FUEL PELLETS; FUEL-CLADDING INTERACTIONS; NICKEL; POWDERS; STRESS CORROSION; WATER COOLED REACTORS; ZINC; ZIRCALOY; ZIRCONIUM
Descriptors DEC
ALLOYS; CHEMICAL REACTIONS; CORROSION; ELEMENTS; METALS; REACTOR COMPONENTS; REACTORS; TIN ALLOYS; TRANSITION ELEMENT ALLOYS; TRANSITION ELEMENTS; ZIRCONIUM ALLOYS; ZIRCONIUM BASE ALLOYS