S. Buyukakkas, H. Aktas,  and S. Akturk, Effect of austenitization heat treatment on the magnetic properties of Fe-40wt%Ni-2wt%Mn alloy, J. Univ. Sci. Technol. Beijing, 14(2007), No. 4, pp. 327-330. https://doi.org/10.1016/S1005-8850(07)60064-4
Cite this article as:
S. Buyukakkas, H. Aktas,  and S. Akturk, Effect of austenitization heat treatment on the magnetic properties of Fe-40wt%Ni-2wt%Mn alloy, J. Univ. Sci. Technol. Beijing, 14(2007), No. 4, pp. 327-330. https://doi.org/10.1016/S1005-8850(07)60064-4
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Effect of austenitization heat treatment on the magnetic properties of Fe-40wt%Ni-2wt%Mn alloy

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  • The effect of austenitization heat treatment on magnetic properties was examined by means of Mössbauer spectroscopy on an Fe-40wt%Ni-2wt%Mn alloy. The morphology of the alloy was obtained by using scanning electron microscopy (SEM) under different heat treatment conditions. The magnetic behavior of the non heat-treated alloy is ferromagnetic. A mixed magnetic structure including both paramagnetic and ferromagnetic states was obtained at 800℃ after 6 and 12 h heat treatments. In addition, the magnetic structure of the heat-treated alloy at 1150℃ for 12 h was ferromagnetic. With the volume fraction changing, the effective hyperfine field of the ferromagnetic austenite phase and isomery shift values were also determined by Mtssbauer spectroscopy.
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