Nuclear fuel elements and method of making same
Patent
·
OSTI ID:868185
- Bayport, NY
A nuclear fuel element for a high temperature gas nuclear reactor that has an average operating temperature in excess of 2000.degree. C., and a method of making such a fuel element. The fuel element is characterized by having fissionable fuel material localized and stabilized within pores of a carbon or graphite member by melting the fissionable material to cause it to chemically react with the carbon walls of the pores. The fissionable fuel material is further stabilized and localized within the pores of the graphite member by providing one or more coatings of pyrolytic carbon or diamond surrounding the porous graphite member so that each layer defines a successive barrier against migration of the fissionable fuel from the pores, and so that the outermost layer of pyrolytic carbon or diamond forms a barrier between the fissionable material and the moderating gases used in an associated high temperature gas reactor. The method of the invention provides for making such new elements either as generally spherically elements, or as flexible filaments, or as other relatively small-sized fuel elements that are particularly suited for use in high temperature gas reactors.
- Research Organization:
- ASSOC UNIVERSITIES INC
- DOE Contract Number:
- AC02-76CH00016
- Assignee:
- Associated Universities, Inc. (Washington, DC)
- Patent Number(s):
- US 5094804
- OSTI ID:
- 868185
- Country of Publication:
- United States
- Language:
- English
Similar Records
Nuclear fuel elements and method of making
Method of making fuel and fertile elements for nuclear-reactor cores
Fission Product and Actinide Distribution in the SiC Layer of Fissioned Triso Fuel Particles
Patent
·
Mon Mar 09 23:00:00 EST 1992
·
OSTI ID:5287248
Method of making fuel and fertile elements for nuclear-reactor cores
Patent
·
Tue Sep 23 00:00:00 EDT 1975
·
OSTI ID:4032336
Fission Product and Actinide Distribution in the SiC Layer of Fissioned Triso Fuel Particles
Journal Article
·
Sat Jul 01 00:00:00 EDT 2017
· Transactions of the American Nuclear Society
·
OSTI ID:23047422
Related Subjects
/376/
2000
associated
average
barrier
carbon
characterized
chemically
chemically react
coatings
defines
degree
diamond
element
elements
excess
filaments
fissionable
fissionable fuel
fissionable material
flexible
forms
fuel
fuel element
fuel elements
fuel material
gas
gases
graphite
layer
localized
material
melting
method
migration
moderating
moderating gases
nuclear
nuclear fuel
nuclear reactor
operating
operating temperature
outermost
outermost layer
particularly
particularly suited
pores
porous
porous graphite
provides
providing
pyrolytic
pyrolytic carbon
react
reactor
reactors
relatively
small-sized
spherically
stabilized
successive
suited
surrounding
temperature
temperature gas
walls
2000
associated
average
barrier
carbon
characterized
chemically
chemically react
coatings
defines
degree
diamond
element
elements
excess
filaments
fissionable
fissionable fuel
fissionable material
flexible
forms
fuel
fuel element
fuel elements
fuel material
gas
gases
graphite
layer
localized
material
melting
method
migration
moderating
moderating gases
nuclear
nuclear fuel
nuclear reactor
operating
operating temperature
outermost
outermost layer
particularly
particularly suited
pores
porous
porous graphite
provides
providing
pyrolytic
pyrolytic carbon
react
reactor
reactors
relatively
small-sized
spherically
stabilized
successive
suited
surrounding
temperature
temperature gas
walls