Title:
FUEL ELEMENT FOR PRESSURIZED WATER TYPE REACTOR
Document Type and Number:
Japanese Patent JPS63284490
Kind Code:
A
Abstract:
A pressurized water reactor nuclear fuel element (1) has a tubular cladding container (3) formed from zirconium or a zirconium alloy material without a protective coating or liner therefor, the cladding material containing less than 4 percent of alloying elements, including an oxygen content of less than 600 parts per million. The cladding (3) contains a sealed nuclear fuel (5) and a pressurized helium atmosphere which fills the gap (17) between the fuel material (5) and the inner wall (19) of the cladding (3), the helium pressurized to between 150 to 500 pounds per square inch (1.38 to 3.45 MPa).
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Inventors:
HARII MATSUKUSU FUERAARI
Application Number:
JP10232488A
Publication Date:
November 21, 1988
Filing Date:
April 25, 1988
Export Citation:
Assignee:
WESTINGHOUSE ELECTRIC CORP
International Classes:
G21C3/07; G21C3/16; G21C3/17; (IPC1-7): G21C3/06; G21C3/16
Domestic Patent References:
| JPS60211390A | 1985-10-23 |
Foreign References:
| EP0041349A1 | 1981-12-09 |
Attorney, Agent or Firm:
Koichiro Kato (1 person outside)