EFFECT OF CARBON ON THE GRAIN REFINEMENT OF URANIUM

Technical Report · Mon Mar 31 23:00:00 EST 1958

OSTI ID:4183946

Howe, L M

A study was undertaken on small uranium samples to find a suitable method for grain refinement and to determine the effect of carbon on the grain refinement. It was found that considerable grain refinement may be achieved in samples which were quenched from the beta phase and annealed at high alpha-phase temperatures. A study of the microstructures support a recrystallization mechanism for grain refinement by this process. The effect of carbon content on the magritude of grain refinement in the surface layers is small whereas the effect on the interior of the sample is large; the degree of refinement increased with increasing carbon content within the range 10 to 1000 ppm. (auth)

• Research Organization: Atomic Energy of Canada Ltd., Chalk River, Ontario (Canada)
• NSA Number: NSA-14-015976
• OSTI ID: 4183946
• Report Number(s): CRMet-751; AECL-579
• Country of Publication: Canada
• Language: English

Related Subjects

ACHONDRITES
ACTIVATION ANALYSIS
ANNEALING
CARBON
CESIUM
DISTRIBUTION
GRAIN SIZE
HEAT TREATMENTS
ISOTOPE DILUTION
ISOTOPES
LAYERS
LEACHING
MASS SPECTROMETERS
METALLOGRAPHY
METALS, CERAMICS, AND OTHER MATERIALS
METEORITES
NEUTRONS
PALLASITES
PHASE DIAGRAMS
QUANTITATIVE ANALYSIS
QUENCHING
REACTION KINETICS
RECRYSTALLIZATION
REFINING
RUBIDIUM
SAMPLING
SOLUTIONS
SURFACES
THERMODYNAMICS
URANIUM
VOLATILITY
WATER