Mossbauer investigations of corrosion environment influence on Fe valence states in oxide films of zirconium alloys |
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Authors: | V P Filippov V I Petrov Yu A Shikanova |
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Institution: | (1) Moscow Engineering Physics Institute (State University), 31 Kashirskoe Shosse, Moscow, 115409, Russia |
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Abstract: | Mössbauer investigations about iron atom redistribution in oxide films of zirconium alloys subjected to corrosion at 500°C in pure oxygen and water pair have been analysed. The alloys were also subjected to autoclave conditions at a pressure of 10.0 MPa and autoclave conditions at 350°C and at a pressure of 16.8 MPa, using distilled water and water with additives of lithium and fluorine. It is shown that, depending on the corrosion environment, various compounds of iron, such as α-Fe2O3, Fe3O4, and FeO, as solid solutions of iron in ZrO2 are formed in oxide films. |
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Keywords: | alloy corrosion Fe valence state zirconium alloy |
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