Properties of the alloys derived from high-temperature gas-cooled reactor fuel rods

The use of stainless steel scrap to remove protective coatings from spent fuel rods by pyrolysis in a process designed to recover the solid wastes for reuse was investigated. Treatment of the graphite--SiC coating on the microrods using a stainless steel melt results in chrome--nickel cast irons mel...

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Veröffentlicht in:	Sov. At. Energy (Engl. Transl.); (United States) 1975-08, Vol.39 (2), p.727-728
Hauptverfasser:	Pastushkov, V. G., Novoselov, G. P., Borisov, G. B., Baronov, V. A.
Format:	Artikel
Sprache:	eng
Schlagworte:	050800 - Nuclear Fuels- Spent Fuels Reprocessing ACTINIDE COMPOUNDS ALLOYS CHALCOGENIDES CHEMICAL REACTIONS CHROMIUM ALLOYS CORROSION RESISTANT ALLOYS DECOMPOSITION ENERGY SOURCES FUELS GAS COOLED REACTORS IRON ALLOYS IRON BASE ALLOYS NUCLEAR FUEL CYCLE AND FUEL MATERIALS NUCLEAR FUELS OXIDES OXYGEN COMPOUNDS PYROLYSIS REACTOR MATERIALS REACTORS RECOVERY REPROCESSING SEPARATION PROCESSES SPENT FUELS STAINLESS STEELS STEELS THORIUM COMPOUNDS THORIUM OXIDES URANIUM COMPOUNDS URANIUM DIOXIDE URANIUM OXIDES VERY HIGH TEMPERATURE
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Zusammenfassung:	The use of stainless steel scrap to remove protective coatings from spent fuel rods by pyrolysis in a process designed to recover the solid wastes for reuse was investigated. Treatment of the graphite--SiC coating on the microrods using a stainless steel melt results in chrome--nickel cast irons melting at 1250 to 1300/sup 0/C. This iron is separated from the fuel core (UO/sub 2/ or Th--UO/sub 2/ mixtures) by standard methods. The temperature and concentration relations for properties such as viscosity, wetting, and evaporation controlling the separation of the liquid and solid phases are given. (JRD)
ISSN:	0038-531X 1573-8205
DOI:	10.1007/BF01129813