Автор |
Caudron, E. |
Автор |
Buscail, H. |
Автор |
Riffard, F. |
Дата выпуска |
1999 |
dc.description |
Oxidation study, at 700 °C and under controlled atmosphere (oxygen partial pressure: 0.04 Pa) for 24 h, of unimplanted or yttrium implanted pure iron specimens was carried out using in situ X-ray diffraction to observe the yttrium implantation effect. In situ X-ray diffraction analyses performed on unimplanted pure iron clearly show the formation of FeO (wustite) and Fe<sub>3</sub>O<sub>4</sub> (magnetite) compounds at the beginning of the oxidation test whereas the formation of Fe<sub>2</sub>O<sub>3</sub> (hematite) is only detected after 1h30 of oxidation. In situ X-ray diffraction analyses performed with the same experimental conditions on yttrium implanted pure iron show the presence of two Mayn yttrium-iron mixed oxides (i.e. FeYO<sub>3</sub> and Fe<sub>2</sub>YO<sub>4</sub>) in combination with wustite, magnetite and hematite structures. The presence of the Fe<sub>2</sub>YO<sub>4</sub> compound is important because several authors have reported its anticorrosion properties at high temperature. X-ray diffraction results also show that the formation of FeYO<sub>3</sub> and Fe<sub>2</sub>YO<sub>4</sub> is Maynly reinforced at the gas-oxide interface which suggests an outward yttrium diffusion through the oxide layer from implanted pure iron. |
Формат |
application.pdf |
Издатель |
EDP Sciences |
Копирайт |
© EDP Sciences, 1999 |
Название |
Initial oxidation stage of yttrium-implanted pure iron at 700 °C by in situ high temperature X-ray diffraction |
Тип |
research-article |
DOI |
10.1051/epjap:1999250 |
Electronic ISSN |
1286-0050 |
Print ISSN |
1286-0042 |
Журнал |
The European Physical Journal Applied Physics |
Том |
8 |
Первая страница |
233 |
Последняя страница |
240 |
Аффилиация |
Caudron E.; Laboratoire Vellave d'Élaboration et d'Étude des Matériaux, Équipe Locale Université Blaise Pascal de Clermont-Fd II, Institut Universitaire de Technologie, Département de Chimie-Science des Matériaux, B.P. 219, 43006 Le Puy en Velay, France |
Аффилиация |
Buscail H.; Laboratoire Vellave d'Élaboration et d'Étude des Matériaux, Équipe Locale Université Blaise Pascal de Clermont-Fd II, Institut Universitaire de Technologie, Département de Chimie-Science des Matériaux, B.P. 219, 43006 Le Puy en Velay, France |
Аффилиация |
Riffard F.; Laboratoire Vellave d'Élaboration et d'Étude des Matériaux, Équipe Locale Université Blaise Pascal de Clermont-Fd II, Institut Universitaire de Technologie, Département de Chimie-Science des Matériaux, B.P. 219, 43006 Le Puy en Velay, France |
Выпуск |
3 |