Mössbauer study of Al6 (Fe, Mn) formation in Al-rich Al-Fe-Mn alloys

Z. Homonnay, A. Vértes, A. Cziráki, A. Oszkó, Gy Menczel, L. Murgás

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Al-Fe-Mn alloys containing 0.5 wt. % iron and 0-3.0 wt. % manganese were prepared at different cooling rates from 0.1 to 500 K/s and studied by Mössbauer spectroscopy. Beyond the usual phase analysis, it was found that the presence of manganese is responsible for the decrease of the quadrupole splitting and isomer shift of the Al6(Fe,Mn) phase, compared to those of Al6Fe. It was also shown that the Mössbauer parameters are characteristic of the average manganese content of Al6(Fe,Mn) only if there are no substantial fluctuations of the Fe/Mn ratio in the Al6(Fe,Mn) phase. Accurate Mössbauer parameters for the Al6Fe phase were also determined.

Original languageEnglish
Pages (from-to)127-134
Number of pages8
JournalJournal of Radioanalytical and Nuclear Chemistry Articles
Issue number1
Publication statusPublished - Mar 1 1990


ASJC Scopus subject areas

  • Analytical Chemistry
  • Nuclear Energy and Engineering
  • Radiology Nuclear Medicine and imaging
  • Pollution
  • Spectroscopy
  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

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