CARBURIZATION OF AUSTENITIC STAINLESS STEEL IN LIQUID SODIUM
Technical Report
·
OSTI ID:4149214
BS>Results are presented of experimental research concerned with carbon transfer in liquid sodium--304 stainless steel systems. The general nature of the reactions is discussed, and experimental techniques are described. The reaction rates in the liquid sodium system were found to be rapid, and carburization rates for the steel were governed by diffusion rates. The carbcn content of 304 stainless steel in equilibrium with carbon-saturated sodium varies from 2.68% at 1OOO deg F to 4.35% at 1600 deg F. Sodium containing 15 to 18 ppm carbon is in virtual equilibrium with uncarburized 304 stainless steel at 1200 deg F, when the oxygen concentration in the sodium is less than 40 ppm. Diffusion coefficients for carbon in 304 stainless steel are presented in the temperature range of 1OOO deg F to 1600 deg F. A method of using micro-hardness data from carburized stainless steel specimens for indirectly determining the carbon content of sodium is described. (auth)
- Research Organization:
- Atomics International. Div. of North American Aviation, Inc., Canoga Park, Calif.
- DOE Contract Number:
- AT(11-1)-GEN-8
- NSA Number:
- NSA-14-024508
- OSTI ID:
- 4149214
- Report Number(s):
- NAA-SR-5282
- Country of Publication:
- United States
- Language:
- English
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