Oxide formation on titanium alloys in primary water of nuclear pressurised water reactor
| Autor: | Michel Tabarant, Quentin Bignon, Q. Auzoux, Frédéric Miserque, Frantz Martin, Laurence Latu-Romain, Yves Wouters |
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| Rok vydání: | 2019 |
| Předmět: |
Anatase
Materials science 020209 energy General Chemical Engineering Oxide Titanium alloy 02 engineering and technology General Chemistry engineering.material 021001 nanoscience & nanotechnology Corrosion chemistry.chemical_compound chemistry Chemical engineering Rutile 0202 electrical engineering electronic engineering information engineering engineering General Materials Science Crystallite 0210 nano-technology Dissolution Ilmenite |
| Zdroj: | Corrosion Science. 150:32-41 |
| ISSN: | 0010-938X |
| Popis: | Three titanium alloys were exposed to primary water at 300 °C. Oxides of the three alloys consisted of a dense layer and surface crystallites. The dense oxide layer of Ti CP was made of TiO2 rutile whereas it was made of TiO2 anatase for both Ti 64 and Ti10-2-3. Surface crystallites of the three alloys were composed of TiO2 anatase and FeTiO3 ilmenite. Oxide dissolution and precipitation phenomenon were found to play a key role in the corrosion mechanisms. Oxygen vacancies were identified as the main point defect responsible for the growth of the dense oxide layer. |
| Databáze: | OpenAIRE |
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