Improved graphite matrix for coated-particle fuel. [HTGR]
An experimental process was developed to incorporate coated fuel particles in an extruded graphite matrix. This structure, containing 41 vol% particles, had a high matrix density, >1.6 g/cm/sup 3/, and a matrix conductivity three to four times that of a pitch-injected fuel rod at 1775 K. Experiments were conducted to determine the uniformity of particle loadings in extrusions. Irradiation specimens were supplied for five tests in the High-Fluence Isotope Reactor at the Oak Ridge National Laboratory.
- Research Organization:
- Los Alamos Scientific Lab., NM (USA)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 6802735
- Report Number(s):
- LA-7423
- Country of Publication:
- United States
- Language:
- English
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21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
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36 MATERIALS SCIENCE
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COATED FUEL PARTICLES
ELEMENTS
EXTRUSION
FABRICATION
FUEL ELEMENTS
FUEL PARTICLES
GAS COOLED REACTORS
GRAPHITE
GRAPHITE MODERATED REACTORS
HTGR TYPE REACTORS
MATERIALS WORKING
MATRIX MATERIALS
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PERFORMANCE TESTING
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210300* -- Power Reactors
Nonbreeding
Graphite Moderated
36 MATERIALS SCIENCE
360601 -- Other Materials-- Preparation & Manufacture
CARBON
COATED FUEL PARTICLES
ELEMENTS
EXTRUSION
FABRICATION
FUEL ELEMENTS
FUEL PARTICLES
GAS COOLED REACTORS
GRAPHITE
GRAPHITE MODERATED REACTORS
HTGR TYPE REACTORS
MATERIALS WORKING
MATRIX MATERIALS
NONMETALS
PERFORMANCE TESTING
REACTOR COMPONENTS
REACTOR MATERIALS
REACTORS
TESTING