A Dilute-Limit Heat οf Solution of Aluminium in Iron Studied with ^{57}Fe Mössbauer Spectroscopy

• Authors: J. Chojcan , A. Ostrasz
• Languages of publication: EN

Abstracts

EN

The room temperature ^{57}Fe Mössbauer spectra for binary iron-based solid solutions Fe_{1-x}Al_x, with x in the range 0.03 ≤ x ≤ 0.05, were analysed in terms of binding energy E_b between two Al atoms in the Fe-Al system. The extrapolated values of E_b for x= 0 were used for computation of the dilute-limit heat of solution of aluminium in iron. The results were compared with that resulting from the Miedema's model of alloys as well as those derived from the heat of formation of the system, obtained with both calorimetric measurements and theoretical calculations. The comparison shows that our Mössbauer spectroscopy findings are in good agreement with all the other results mentioned above.

Keywords

EN

76.80.+y; 82.60.Lf

Discipline

• 76.80.+y: Mössbauer effect; other γ-ray spectroscopy(see also 33.45.+x Mössbauer spectra—in atomic and molecular physics; for biophysical applications, see 87.64.kx; for chemical analysis applications, see 82.80.Ej)
• 82.60.Lf: Thermodynamics of solutions

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2008
• Volume: 114
• Issue: 6
• Pages: 1573-1578

Dates

published

2008-12

Contributors

author

J. Chojcan

• Institute of Experimental Physics, University of Wrocław, pl. M. Borna 9, PL-50-204 Wrocław, Poland

author

A. Ostrasz

• Institute of Experimental Physics, University of Wrocław, pl. M. Borna 9, PL-50-204 Wrocław, Poland

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Identifiers

DOI

10.12693/APhysPolA.114.1573