Temat: 82.60.Lf - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: A Dilute-Limit Heat οf Solution of Aluminium in Iron Studied with $\text{}^{57}Fe$ Mössbauer Spectroscopy
Autorzy:: Chojcan, J.
Ostrasz, A.
Powiązania:: https://bibliotekanauki.pl/articles/1811594.pdf
Data publikacji:: 2008-12
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 76.80.+y
82.60.Lf
Opis:: The room temperature $\text{}^{57}Fe$ 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.
Źródło:: Acta Physica Polonica A; 2008, 114, 6; 1573-1578
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: An Enthalpy of Solution of Cobalt and Nickel in Iron Studied with $\text{}^{57}Fe$ Mössbauer Spectroscopy
Autorzy:: Idczak, R.
Konieczny, R.
Konieczna, Ż.
Chojcan, J.
Powiązania:: https://bibliotekanauki.pl/articles/1506574.pdf
Data publikacji:: 2011-01
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 76.80.+y
82.60.Lf
65.40.G-
Opis:: The room temperature Mössbauer spectra of $\text{}^{57}Fe$ were measured for iron-based solid solutions $Fe_{1-x}Co_{x}$ and $Fe_{1-x}Ni_{x}$ with x in the range 0.01 ≤ x ≤ 0.05. The obtained data were analysed in terms of the binding energy $E_{b}$ between two Co or Ni atoms in the studied materials using the extended Hrynkiewicz-Królas idea. It was found that the energy is positive or the non-iron atoms interact repulsively. The extrapolated value of $E_{b}$ for x=0 was used for computation of the enthalpy of solution of cobalt and nickel in iron. The results were compared with our previous Mössbauer spectroscopy findings, the values resulting from the Miedema's model of alloys and the data derived from the enthalpy of formation of the Fe-Co and Fe-Ni systems, obtained with calorimetric methods. The comparison shows that the present results are in a qualitative agreement with the Miedema's model predictions and calorimetric measurements but they are at variance with the previous Mössbauer spectroscopy findings.
Źródło:: Acta Physica Polonica A; 2011, 119, 1; 37-40
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: An Enthalpy of Solution of Silicon in Iron Studied by $ \text{}^{57}$ Fe Mössbauer Spectroscopy
Autorzy:: Idczak, R.
Konieczny, R.
Chojcan, J.
Powiązania:: https://bibliotekanauki.pl/articles/1398353.pdf
Data publikacji:: 2016-03
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 76.80.+y
75.50.Bb
82.60.Cx
82.60.Lf
Opis:: The room temperature Mössbauer spectra of $\text{}^{57}Fe$ were measured for $Fe_{1-x}Si_x$ solid solutions with x in the range 0.01 ≤ x ≤ 0.05. The obtained data were analysed in terms of the binding energy $E_{b}$ between two silicon atoms in the studied materials using the extended Hrynkiewicz-Królas idea. The extrapolated value of $E_{b}$ for x=0 was used to computation of an enthalpy of solution $H_{FeSi}$ of Si in α-Fe matrix. It was found that the $H_{FeSi}$ value is negative or Si atoms interact repulsively. The result was compared with corresponding values given in the literature which were derived from experimental calorimetric data as well as with the value resulting from the cellular atomic model of alloys by Miedema.
Źródło:: Acta Physica Polonica A; 2016, 129, 3; 367-370
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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