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Title: | X-ray Photoelectron Spectroscopy (XPS) analysis of low oxidation pressure behavior of FeAl-alloys at 600 degrees C and 700 degrees C | Authors: | Izzuddin, Hubby Seemayer, A. Ankah, G. N. Lengsfeld, J. Schneider, P. RENNER, Frank |
Issue Date: | 2017 | Publisher: | IOP Publishing Ltd | Source: | Febriani, F (Ed.). 2nd International Symposium on Frontier of Applied Physics (ISFAP 2016), IOP Publishing Ltd, (Art N° UNSP 012070) | Series/Report: | Journal of Physics Conference Series | Series/Report no.: | 817(1) | Abstract: | The low oxidation pressure behavior of binary FeAl alloys has been examined at different temperatures of 600-700 degrees C. Polycrystalline and single-crystalline samples of Fe-10Al and Fe-25Al were oxidized for 1 h at 10-6 mbar of oxygen in an ultra-high-vacuum chamber (UHV). Prior oxidation, samples were prepared by sputter-annealing cycles in UHV. After oxidation, the samples were analyzed by X-ray Photoelectron Spectroscopy (XPS). The formed oxide layers on the surfaces consist of FeAl2O4 and Al2O3 showing that Al has a dominating role during the oxidation process. From XPS peaks, the composition of the Fe peaks of the oxide layer consists of Fe metal, FeAl-alloys, and FeO. Meanwhile, the composition of the Al peak is changed from Al metal, FeAl-alloys and Al2O3 at 600 degrees C to Al metal, FeAl-alloys and FeAl2O4 on 700 degrees C. From XPS sputter depth profiles, it is shown that the oxide layer was growing with increasing temperature, and the single-crystalline Fe-10Al has a thicker formed oxide layer than poly-crystalline Fe-25Al with same oxidation treatment. | Notes: | Izzuddin, H (reprint author), Max Planck Inst Eisenforsch GmbH, Max Planck Str 1, D-40237 Dusseldorf, Germany. hubby.izzuddin@lipi.go.id | Document URI: | http://hdl.handle.net/1942/26346 | DOI: | 10.1088/1742-6596/817/1/012070 | ISI #: | 000423146000069 | Rights: | Content from this work may be used under the terms of theCreative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Published under licence by IOP Publishing Ltd | Category: | C1 | Type: | Proceedings Paper | Validations: | ecoom 2019 |
Appears in Collections: | Research publications |
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