Abstract
Study of high temperature steam oxidation kinetics during the high temperature oxidation was carried out on the sponge base E110 cladding tubes material in the temperature range 600–1300 °C. The oxidation kinetics derived from the weight gain measurements showed a parabolic rate law for temperatures 1100 °C and higher only. For lower temperatures in range 800–1050 °C especially, the parabolic law leads to very conservative prediction. Therefore, the new oxidation kinetics, different from the parabolic law, was designed. The experimental database containing more than 800 data points was compared with the new developed UJP-correlation and available correlations for E110 and Zircaloy alloys. Statistical analysis for all tested correlations was provided.
Highlights
Zirconium-based alloys are widely used for nuclear reactor components such as fuel claddings, grid spacers and guide tubes
This paper presents the results of the study of steam oxidation kinetics of E110 sponge based alloy in the above temperature range
The presented paper was concerned with the measurement of the oxygen weight gain in the E110 cladding tubes after high-temperature oxidation
Summary
Zirconium-based alloys are widely used for nuclear reactor components such as fuel claddings, grid spacers and guide tubes. (UJP) with E110 sponge based cladding alloy The aims of these experiments were to study and to compare the mechanical properties of the cladding materials and to investigate the effect of pure steam oxidation and hydrogen uptake on the mechanical performance of the claddings. The objective of this study is to establish the rate law for steam oxidation kinetics of E110 sponge based alloy in the temperature range 600–1300 °C, which can be useful for LOCA analysis. This paper presents the results of the study of steam oxidation kinetics of E110 sponge based alloy in the above temperature range. The comparison of experimental data and several current use correlations based on E110 and Zircaloy alloys is provided
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