The Mechanism of Oxidation of Zirconium in the Temperature Range 400°–850°C
Open Access
- 1 January 1964
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 111 (11) , 1221-1224
- https://doi.org/10.1149/1.2425964
Abstract
A study of the oxidation mechanism for zirconium in the temperature range 400°–850°C, based on examination of the oxide scale growth and oxygen gradients in the metal substrate, is reported. The oxidation kinetics at long times obeyed a parabolic rate equation which was best described in terms of a diffusion model for oxygen diffusion in both the oxide and metal. From the determination of the oxygen gradients, the diffusion constant was evaluated for oxygen diffusion in alpha‐zirconium.Keywords
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