Nuclear fuel particles and method of making nuclear fuel compacts therefrom
Patent
·
OSTI ID:867930
- Encinitas, CA
- San Diego, CA
Methods for making nuclear fuel compacts exhibiting low heavy metal contamination and fewer defective coatings following compact fabrication from a mixture of hardenable binder, such as petroleum pitch, and nuclear fuel particles having multiple layer fission-product-retentive coatings, with the dense outermost layer of the fission-product-retentive coating being surrounded by a protective overcoating, e.g., pyrocarbon having a density between about 1 and 1.3 g/cm.sup.3. Such particles can be pre-compacted in molds under relatively high pressures and then combined with a fluid binder which is ultimately carbonized to produce carbonaceous nuclear fuel compacts having relatively high fuel loadings.
- Research Organization:
- GENERAL ATOMICS
- DOE Contract Number:
- AC03-84SF11962
- Assignee:
- United States of America as represented by United States (San Diego, CA)
- Patent Number(s):
- US 5037606
- OSTI ID:
- 867930
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
/376/427/976/
binder
carbonaceous
carbonized
cm
coating
coatings
combined
compact
compacts
contamination
defective
defective coatings
dense
density
exhibiting
fabrication
fewer
fission-product-retentive
fluid
following
fuel
fuel compacts
fuel particle
fuel particles
hardenable
heavy
heavy metal
layer
loadings
metal
metal contamination
method
methods
mixture
molds
multiple
multiple layer
nuclear
nuclear fuel
outermost
outermost layer
overcoating
particles
petroleum
pitch
pre-compacted
pressures
produce
produce carbon
protective
pyrocarbon
relatively
surrounded
therefrom
ultimately
binder
carbonaceous
carbonized
cm
coating
coatings
combined
compact
compacts
contamination
defective
defective coatings
dense
density
exhibiting
fabrication
fewer
fission-product-retentive
fluid
following
fuel
fuel compacts
fuel particle
fuel particles
hardenable
heavy
heavy metal
layer
loadings
metal
metal contamination
method
methods
mixture
molds
multiple
multiple layer
nuclear
nuclear fuel
outermost
outermost layer
overcoating
particles
petroleum
pitch
pre-compacted
pressures
produce
produce carbon
protective
pyrocarbon
relatively
surrounded
therefrom
ultimately