Fuel pin cladding

Patent · Fri Dec 16 04:00:00 EST 1983

OSTI ID:7031241

Vaidyanathan, S; Adamson, M G

An improved fuel pin cladding, particularly adapted for use in breeder reactors, is described which consist of composite tubing with austenitic steel on the outer portion of the thickness of the tube wall and with nickel an/or ferritic material on the inner portion of the thickness of the tube wall. The nickel forms a sacrificial barrier as it reacts with certain fission products thereby reducing fission product activity at the austenitic steel interface. The ferritic material forms a preventive barrier for the austenitic steel as it is immune to liquid metal embrittlement. The improved cladding permits the use of high density fuel which in turn leads to a better breeding ratio in breeder reactors, and will increase the threshold at which failure occurs during temperature transients.

• DOE Contract Number: AT03-76SF71031
• Assignee: Dept. of Energy
• Patent Number(s): None
• Application Number: ON: DE84014360
• OSTI ID: 7031241
• Country of Publication: United States
• Language: English

Related Subjects

21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210500* -- Power Reactors
Breeding
ALLOYS
AUSTENITIC STEELS
BREEDER REACTORS
EMBRITTLEMENT
EPITHERMAL REACTORS
FAST REACTORS
FBR TYPE REACTORS
FUEL CANS
IRON ALLOYS
IRON BASE ALLOYS
LIQUID METAL COOLED REACTORS
LMFBR TYPE REACTORS
NICKEL ALLOYS
NICKEL STEELS
REACTORS
STEELS