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Effect of Plastic Deformation on Magnetic Properties of Fe-40 % Ni-2 % Mn Austenitic Alloy

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Abstract

The effects of plastic deformation on the magnetic properties of austenite structure in an Fe-40%Ni-2%Mn alloy is investigated by using Mössbauer spectroscopy and Differential Scanning Calorimetry (DSC) techniques The morphology of the alloy has been obtained by using Scanning Electron Microscopy (SEM). The magnetic behaviour of austenite state is ferromagnetic. After plastic deformation, a mixed magnetic structure including both pararnagnetic and ferromagnetic states has been obtained at the room temperature. The volume fraction changes, the effective hyperfine fields of the ferromagnetic austenite phase and isomery shift values have also been determined by Mössbauer spectroscopy. The Curie point (TC) and the Nee1 temperature (TN) have been investigated by means of DSC system for non-deformed and deformed Fe-Ni-Mn alloy. Thc plastic deformation of the alloy reduces the TN and enhances the paramagnetic character of austenitic Fe-Ni-Mn alloy.

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Authors and Affiliations

  1. Physics Department, Nigde University, Nigde, Nigde, 51100, Turkey

    Selva Büyükakkaş (Doctor)

  2. Physics Department, Kirikkale University, Yahsihan, Kirikkale, 71450, Turkey

    H. Aktas & S. Akturk

Authors
  1. Selva Büyükakkaş
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  2. H. Aktas
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  3. S. Akturk
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Correspondence to Selva Büyükakkaş.

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Büyükakkaş, S., Aktas, H. & Akturk, S. Effect of Plastic Deformation on Magnetic Properties of Fe-40 % Ni-2 % Mn Austenitic Alloy. J. Iron Steel Res. Int. 14, 56–60 (2007). https://doi.org/10.1016/S1006-706X(07)60058-2

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  • DOI: https://doi.org/10.1016/S1006-706X(07)60058-2

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