LMFR BIMONTHLY PROGRESS REPORT FOR NOVEMBER-DECEMBER 1958
Technical Report
·
OSTI ID:4223517
Work on the stability of general LMF reactors was continued. An evaluation of resonance parameters for Bi was completed. The measured B/sup 2/ for the 18'' stack was (10.1 plus or minus 0.5) x 10/sup -4/cm/sup -2/; B/sup 2/ calulated by age diffusion theory was 9.4 x 10/sup -4/cm/sup -2/. The 19'' stack was formed and a preliminary B/sup 2/= 7.5 x 10/sup -4/ cm/sup -2/ was determined. Zirconium dissolution rates in Bi-Mg were reduced by a factor of 10 when the mixture was not agitated. Ta and Mo appear to have satisfactory corrosion resistance to NaCl-KCl-MgCl/sub 2/ mixtures containing 5% BiCl/sub 3/. Results also indicate the suitability of several chromium steels. After standing four hours, three fourths of the fission products had risen to the top half of a 4-in. deep volume of liquid Bi to Which 0.5% Zn had been added. Data were obtained to give the rates at which both fission product I and Xe penetrate graphite from liquid metal fuels. The corrected value for the solubility of Xe in Bi is 2.7 x 10/sup -9/ M/(cm/sup 3/)(atm) at 540 deg C. ThO/sub 2/-Bi slurries or good stability were obtained which show no evidence of significant ThO/sub 2/ reduction. Rates of heat transfer to Hg flowing parallel to tubes through a staggered tube bundle were measured, calculated, and compared. Chromium-- molybdenum steel was excessively corroded in inhibited UBi systems in a very short period. Static tracer experiments suggest that Bi-Zr alloys form a more uniform deposit on steel surfaces than the same alloys with Mg additions. (For preceding period see BNL-4097.) (D.E.B.)
- Research Organization:
- Brookhaven National Lab., Upton, N.Y.
- NSA Number:
- NSA-13-020635
- OSTI ID:
- 4223517
- Report Number(s):
- BNL-4355
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
BISMUTH ALLOYS-- DEPOSITS-- LIQUID METAL FUEL-- MAGNESIUM ALLOYS-- REACTORS-- STABILITY-- STEELS-- SURFACES-- TRACER TECHNIQUES-- ZIRCONIUM ALLOYS
BISMUTH CHLORIDES-- CORROSION-- FUSED SALTS-- LIQUID METAL FUEL-- MAGNESIUM CHLORIDES-- POTASSIUM CHLORIDES-- REACTORS-- SODIUM CHLORIDES-- STABILITY
BISMUTH-- CHROMIUM ALLOYS-- CORROSION-- HEAT TRANSFER-- IRON ALLOYS-- LIQUID METAL FUEL-- LIQUID METALS-- MEASURED VALUES-- MERCURY-- MOLYBDENUM ALLOYS-- NUMERICALS-- REACTORS-- STABILITY-- STEELS-- TUBES-- URANIUM
BISMUTH-- CROSS SECTIONS-- LIQUID METAL FUEL-- REACTORS-- RESONANCE ESCAPE PROBABILITY-- RESONANCE NEUTRONS-- STABILITY
BISMUTH-- DIST
REACTORS
BISMUTH CHLORIDES-- CORROSION-- FUSED SALTS-- LIQUID METAL FUEL-- MAGNESIUM CHLORIDES-- POTASSIUM CHLORIDES-- REACTORS-- SODIUM CHLORIDES-- STABILITY
BISMUTH-- CHROMIUM ALLOYS-- CORROSION-- HEAT TRANSFER-- IRON ALLOYS-- LIQUID METAL FUEL-- LIQUID METALS-- MEASURED VALUES-- MERCURY-- MOLYBDENUM ALLOYS-- NUMERICALS-- REACTORS-- STABILITY-- STEELS-- TUBES-- URANIUM
BISMUTH-- CROSS SECTIONS-- LIQUID METAL FUEL-- REACTORS-- RESONANCE ESCAPE PROBABILITY-- RESONANCE NEUTRONS-- STABILITY
BISMUTH-- DIST
REACTORS