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http://hdl.handle.net/20.500.12128/14717| Tytuł: | Defect structure of Fe-Al and Fe-Al-X (X=Ni; Cu; Cr) metallic powders obtained by the self-decomposition |
| Autor: | Hanc-Kuczkowska, Aneta Frąckowiak, Janusz |
| Słowa kluczowe: | iron aluminides; defects; point defects; Mössbauer spectroscopy; Fe-Al |
| Data wydania: | 2004 |
| Źródło: | Nukleonika, Vol. 49, suppl. 3 (2004), s. 7-11 |
| Abstrakt: | In the present work, the Fe-Al-X (X = Cu; Ni; Cr) metallic powders produced by the self-decomposition method of the Fe-Al doped alloys were examined by Mössbauer spectroscopy. The concentration of the Fe vacancies and the Fe atoms substituting Al (Fe-AS) was determined from the intensities of the sub-spectra in the Mössbauer analysis connected with distinct Fe environments. The results have shown that nickel and copper cause an increase of vacancy concentrations in comparison with the values found for Fe-Al metallic powders, whereas chromium decreases vacancy concentrations causing a significant increase of anti-site atoms Fe-AS concentration. |
| URI: | http://hdl.handle.net/20.500.12128/14717 |
| ISSN: | 1508-5791 0029-5922 |
| Pojawia się w kolekcji: | Artykuły (WNŚiT) |
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| Plik | Opis | Rozmiar | Format | |
|---|---|---|---|---|
| Hanc_Defect_structure_of_Fe_Al_and Fe_Al_X.pdf | 231,27 kB | Adobe PDF | Przejrzyj / Otwórz |
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