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Zirconium metal--water oxidation kinetics program sponsored by the NRC Division of Reactor Safety Research. Quarterly progress report, January--March 1976. [BWR; PWR]

Technical Report ·
OSTI ID:7274426
The correlation of data for the diffusion of oxygen in ..beta..-Zircaloy-4 between 900 and 1500/sup 0/C (1652-2732/sup 0/F) was completed. An error analysis of the diffusion techniques used was also made. The experimental phase of the isothermal oxidation measurements was completed, and the specimens are currently undergoing metallographic examination. Several improvements were made in the data acquisition procedures in order to determine accurately the time-temperature record for oxidation specimens, in short, high temperature experiments. Methods were devised for calculating from oxidation data the diffusion coefficients of oxygen in the oxide and ..cap alpha..-Zircaloy, and these values will be used along with new data for the equilibrium phase solubility limits for oxygen in the ..cap alpha.. and ..beta.. phases in the verification of the computer code.
Research Organization:
Oak Ridge National Lab., Tenn. (USA)
DOE Contract Number:
W-7405-ENG-26
OSTI ID:
7274426
Report Number(s):
ORNL/NUREG/TM-17
Country of Publication:
United States
Language:
English