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Oxidation kinetics of reaction products formed in uranium metal corrosion.

By T. C. Totemeier

Abstract

The oxidation behavior of uranium metal ZPPR fuel corrosion products in environments of Ar-4%O{sub 2} and Ar-20%O{sub 2} were studied using thermo-gravimetric analysis (TGA). These tests were performed to extend earlier work in this area specifically, to assess plate-to-plate variations in corrosion product properties and the effect of oxygen concentration on oxidation behavior. The corrosion products from two relatively severely corroded plates were similar, while the products from a relatively intact plate were not reactive. Oxygen concentration strongly affected the burning rate of reactive products, but had little effect on low-temperature oxidation rates

Topics: Corrosion, Thermal Gravimetric Analysis, Uranium, Zppr Reactor, 36 Materials Science, Oxidation, Chemical Reaction Kinetics, 22 General Studies Of Nuclear Reactors, Fuel Plates, Corrosion Products
Publisher: Argonne National Laboratory
Year: 1998
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Provided by: UNT Digital Library
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