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Abstract <p>An improved magnetostriction model of magnetic field influence on the diffusion of an impurity in a ferromagnetic solvent has been proposed. Relations for calculating the value of additional quasi-elastic force acting on a diffusing atom in a ferromagnetic solvent with a bcc lattice under the impact of a magnetic field have been obtained. The calculation of the additional quasi-elastic force for the case of magnetostriction effect in directions [100], [110], and [111] of single-crystal α-Fe and for the case of volume magnetostriction has been performed. The result of the additional quasi-elastic force calculation demonstrates that the contribution of volume magnetostriction to the additional mass transfer is more significant compared to the contribution of linear magnetostriction for base bcc directions [100], [110], and [111]. The applicability of the improved magnetostriction model to the vacancy diffusion mechanism in a ferromagnetic bcc lattice is discussed.</p>

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On the Magnetostriction Model of Magnetic Field Impact on Diffusion of Impurity in the BCC Ferromagnetic Solvent

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • A. A. Fedotov,
  • S. V. Voronin

摘要

Abstract

An improved magnetostriction model of magnetic field influence on the diffusion of an impurity in a ferromagnetic solvent has been proposed. Relations for calculating the value of additional quasi-elastic force acting on a diffusing atom in a ferromagnetic solvent with a bcc lattice under the impact of a magnetic field have been obtained. The calculation of the additional quasi-elastic force for the case of magnetostriction effect in directions [100], [110], and [111] of single-crystal α-Fe and for the case of volume magnetostriction has been performed. The result of the additional quasi-elastic force calculation demonstrates that the contribution of volume magnetostriction to the additional mass transfer is more significant compared to the contribution of linear magnetostriction for base bcc directions [100], [110], and [111]. The applicability of the improved magnetostriction model to the vacancy diffusion mechanism in a ferromagnetic bcc lattice is discussed.