caa a22 4500 47582864X CHVBK 20180406123835.0 cr unu---uuuuu 170329e20001101xx s 000 0 eng 10.1023/A:1011390215421 doi (NATIONALLICENCE)springer-10.1023/A:1011390215421 The Behavior of Uranium Dioxide in Various Gases [Elektronische Daten] [E. Rakitskaya, A. Panov] The behavior of uranium dioxide in an oxidative medium in air and a neutral medium in argon for several thousands of hours was studied. Negligible additional oxidation of pellets occurred at room temperature; this was indicated by an increase of the stoichiometric mixture ratio of uranium dioxide near the surface. The oxidation rate constant at 295 K was k = 2.77·10-7 in air and 5·10-8 g/(cm2·h) in argon. For oxidation in air at 295-503 K only solid solutions of oxygen in uranium dioxide were formed. The temperature dependence of the oxidation rate constant was determined. The threshold temperature above which higher oxides of uranium form was determined. The stoichiometric mixture ratio has no effect on the oxidation rate constant of uranium dioxide in air. 1 figure, 3 tables, 9 references. Plenum Publishing Corporation, 2000 Rakitskaya E. Scientific-Industrial Association Luch, Russia aut Panov A. Scientific-Industrial Association Luch, Russia aut Atomic Energy Kluwer Academic Publishers-Plenum Publishers 89/5(2000-11-01), 890-894 1063-4258 89:5<890 2000 89 10512 https://doi.org/10.1023/A:1011390215421 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1023/A:1011390215421 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Rakitskaya E. Scientific-Industrial Association Luch, Russia aut NATIONALLICENCE 700 1- Panov A. Scientific-Industrial Association Luch, Russia aut NATIONALLICENCE 773 0- Atomic Energy Kluwer Academic Publishers-Plenum Publishers 89/5(2000-11-01), 890-894 1063-4258 89:5<890 2000 89 10512 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer