IRRADIATION OF CLAD GRAPHITE IN HIGH-TEMPERATURE HIGH-PRESSURE CO$sub 2$

Technical Report · Wed Apr 01 04:00:00 EST 1959

DOI:https://doi.org/10.2172/4269876· OSTI ID:4269876

Smith, J. C.; Murr, W. E.; Diethorn, W. S.; Goldthwaite, W. H.

Graphite specimens fully clad with Type 310 stainless, Type 446 stainless, or Inconel were irradiated in a 1000-psi CO/sub 2/ environment for a period of 4 weeks at approximately 1300 F followed by 1 week at 1500 F. The fast-neutron-plus-gmma dose rate was estimated at 8 x 10/sup 7/ rads per hr. The gas environment was sampled and replenished eight times during the experiment. After 60 hr at about 1350 F, the CO content had in creased from a negligible value to 3.6 vol. %. It then decreased steadily to a value of 0.4 vol. % at the end of 4 weeks. When the temperature was raised to 1500 F, the CO content increased to 1.9 vol, % in 100 hr and then decreased to 0.6 vol. %. The O content remained nearly constant throughout the experiment. Postirradiation examination and metallography revealed very little effect of the exposure on the cladding materials at the gas and graphite interfaces. (auth)

• Research Organization: Battelle Memorial Inst., Columbus, Ohio
• DOE Contract Number: W-7405-ENG-92
• NSA Number: NSA-13-012654
• OSTI ID: 4269876
• Report Number(s): BMI-1333
• Country of Publication: United States
• Language: English

Related Subjects

ALUMINUM ALLOYS
CANNING
CARBON DIOXIDE
CARBON MONOXIDE
CHROMIUM ALLOYS
ENVIRONMENT
FAST NEUTRONS
GAMMA RADIATION
GRAPHITE
HIGH TEMPERATURE
INCONEL ALLOYS
IRRADIATION
METALLOGRAPHY
METALLURGY AND CERAMICS
NEUTRON FLUX
NICKEL ALLOYS
NIOBIUM ALLOYS
OXYGEN
PRESSURE
QUANTITY RATIO
STAINLESS STEEL- 446
STAINLESS STEEL-310
STAINLESS STEELS
TEMPERATURE
TITANIUM ALLOYS