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<p>An Al-Mg composite containing the Fe, Ni, and Ti powders added by the method of friction stir processing (FSP) is studied. An application of the friction stir processing to engineering the wear-resistant composites based on an aluminum matrix is demonstrated to be highly effective, depending on the selected system of strengthening phases. The addition of Fe, Ni, and Ti powder particles in the course of friction stir processing is shown to decrease the friction coefficient during the dry friction contact. It is shown that the effective method for fabricating wear-resistant materials is to introduce an iron powder into the aluminum matrix, thereby forming iron aluminides of various compositions during processing. The tribological behavior of composite materials differs from that of the initial aluminum alloys in two primary aspects: first, a&#xa0;smaller role of adhesive wear, and, second, a&#xa0;larger contribution from the normal mechanochemical wear.</p>

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Tribological behavior of Al–Mg alloy with additions of Fe, Ni, and Ti metallic powders introduced by friction stir processing

  • 期刊论文

  • 发表日期：

    2025年9月1日

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  • E. O. Knyazhev,
  • A. V. Chumaevskii,
  • A. V. Nikolaeva,
  • D. A. Gurianov,
  • E. A. Kolubaev

摘要

An Al-Mg composite containing the Fe, Ni, and Ti powders added by the method of friction stir processing (FSP) is studied. An application of the friction stir processing to engineering the wear-resistant composites based on an aluminum matrix is demonstrated to be highly effective, depending on the selected system of strengthening phases. The addition of Fe, Ni, and Ti powder particles in the course of friction stir processing is shown to decrease the friction coefficient during the dry friction contact. It is shown that the effective method for fabricating wear-resistant materials is to introduce an iron powder into the aluminum matrix, thereby forming iron aluminides of various compositions during processing. The tribological behavior of composite materials differs from that of the initial aluminum alloys in two primary aspects: first, a smaller role of adhesive wear, and, second, a larger contribution from the normal mechanochemical wear.