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Dilatometric analysis of the process of the nanocrystallization of Fe72.5Cu1Nb2Mo1.5Si14B9 soft magnetic alloy

  • Electrical and Magnetic Properties
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Abstract

The process of the nanocrystallization of magnetically soft Fe72.5Cu1Nb2Mo1.5Si14B9 alloy has been studied using dilatometry and thermomagnetic analysis, together with structural investigations. It has been shown that the amount of nanocrystalline phase precipitated upon heating of the amorphous precursor is in good agreement with a shortening of the ribbon length in the course of crystallization. Thermal expansion at the different stages of heating and cooling depends on the structural and phase states, as well as on the magnetic state of the alloy. The numerical value of the coefficient of linear thermal expansion decreases with an increase in the fraction of the ferromagnetic crystalline phase.

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Authors and Affiliations

  1. Yeltsin Ural Federal University, ul. Mira 19, Ekaterinburg, 620002, Russia

    V. S. Tsepelev, Yu. N. Starodubtsev, V. A. Kataev & V. V. Konashkov

  2. Scientific and Production Enterprise Gammamet, ul. Kirova 28, Ekaterinburg, 620028, Russia

    Yu. N. Starodubtsev, V. A. Zelenin & V. Ya. Belozerov

Authors
  1. V. S. Tsepelev
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  2. Yu. N. Starodubtsev
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  3. V. A. Zelenin
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  4. V. A. Kataev
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  5. V. Ya. Belozerov
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  6. V. V. Konashkov
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Correspondence to V. S. Tsepelev.

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Tsepelev, V.S., Starodubtsev, Y.N., Zelenin, V.A. et al. Dilatometric analysis of the process of the nanocrystallization of Fe72.5Cu1Nb2Mo1.5Si14B9 soft magnetic alloy. Phys. Metals Metallogr. 118, 553–557 (2017). https://doi.org/10.1134/S0031918X17060096

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  • DOI: https://doi.org/10.1134/S0031918X17060096

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