Studies on the Oxygen Gradients in Oxidizing Metals
Journal Article
·
· Journal of the Electrochemical Society
The oxygen gradient beneath the oxide film on zirconium oxidized at 850 deg C for times ranging from 8 to 305 hr was measured. The technique used involves the measurement of the rate of dissolution of interference colored oxide films. Experimentally determined gradients are in good agreement with a theoretical expression involving the diffusivity, time, and oxide film thickness. Metallography and microhardness measurements demonstrated the existence of a number of phases in the oxygen containing metal substrate. These are believed to be associated with orderdisorder reactions. No evidence of zones of constant composition or steady-state gradients was observed.
- Research Organization:
- Kennecott Copper Corp., Lexington, Mass.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-18-018324
- OSTI ID:
- 4052702
- Journal Information:
- Journal of the Electrochemical Society, Journal Name: Journal of the Electrochemical Society Journal Issue: 4 Vol. 111; ISSN JESOAN; ISSN 0013-4651
- Publisher:
- The Electrochemical Society
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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