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<b>Abstract</b>— <p>Analysis of literature data and experimental results shows that the application of relatively small magnetic fields can lead to changes in the plastic properties of crystals and the kinetics of the observed processes. In the process of exposure to magnetic fields on the aging of metal alloys, a magnetoplastic effect (MPE) is detected, consisting of an increase in the average path length of dislocations. In this work, the influence of a constant magnetic field with an intensity of 198.9 and 557 kA/m and a pulsed magnetic field with an amplitude of 198.9 and 557 kA/m and a frequency of 2 and 5 Hz on the physical and mechanical properties and the phase formation process in aluminum alloy AK9 aged for 4 h at aging temperatures of 140, 175, and 200°C was investigated. Analysis of the results of measuring microhardness and hardness and identification of the phase composition of aged aluminum alloy AK9 showed that under the influence of magnetic fields a positive magnetoplastic effect is observed and its structure becomes more perfect.</p>

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Physical and Mechanical Properties and Phase Formation of AK9 Aluminum Alloy during Aging in Magnetic Fields

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • Yu. V. Osinskaya,
  • S. G. Magamedova,
  • S. V. Voronin

摘要

Abstract—

Analysis of literature data and experimental results shows that the application of relatively small magnetic fields can lead to changes in the plastic properties of crystals and the kinetics of the observed processes. In the process of exposure to magnetic fields on the aging of metal alloys, a magnetoplastic effect (MPE) is detected, consisting of an increase in the average path length of dislocations. In this work, the influence of a constant magnetic field with an intensity of 198.9 and 557 kA/m and a pulsed magnetic field with an amplitude of 198.9 and 557 kA/m and a frequency of 2 and 5 Hz on the physical and mechanical properties and the phase formation process in aluminum alloy AK9 aged for 4 h at aging temperatures of 140, 175, and 200°C was investigated. Analysis of the results of measuring microhardness and hardness and identification of the phase composition of aged aluminum alloy AK9 showed that under the influence of magnetic fields a positive magnetoplastic effect is observed and its structure becomes more perfect.