Reactions of plutonium dioxide with water and oxygen-hydrogen mixtures: Mechanisms for corrosion of uranium and plutonium
Investigation of the interactions of plutonium dioxide with water vapor and with an oxygen-hydrogen mixture show that the oxide is both chemically reactive and catalytically active. Correspondence of the chemical behavior with that for oxidation of uranium in moist air suggests that similar catalytic processes participate in the mechanism of moisture-enhanced corrosion of uranium and plutonium. Evaluation of chemical and kinetic data for corrosion of the metals leads to a comprehensive mechanism for corrosion in dry air, water vapor, and moist air. Results are applied in confirming that the corrosion rate of Pu in water vapor decreases sharply between 100 and 200 degrees C.
- Sponsoring Organization:
- US Department of Energy (US)
- DOE Contract Number:
- AC04-90DP62349
- OSTI ID:
- 756904
- Report Number(s):
- RFP-5267; B& R-code:EW05K1340; B&R code: EW05K1340
- Country of Publication:
- United States
- Language:
- English
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