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<p><b>Abstract</b>—Samples fabricated by mechanical mixing of the AO20-1 melt with granules preliminarily prepared in a planetary mill from chips of this alloy and a Ti<sub>2</sub>NbAl intermetallic powder are investigated. The refinement of a matrix grain structure due to changes in the solidification rate provides an improved reinforcing phase distribution in the matrix, which ensures a multiple reduction in the wear rate of the composite material compared to the matrix alloy. The friction coefficient of the composite material decreases slightly and only with increasing test loads.</p>

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Influence of the Dispersion of Structure and the Reinforcing Filler Distribution Quality on the Tribological Properties of Aluminum Matrix Composite Materials

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • L. I. Kobeleva,
  • P. A. Bykov,
  • I. V. Katin,
  • I. E. Kalashnikov,
  • R. S. Mikheev

摘要

Abstract—Samples fabricated by mechanical mixing of the AO20-1 melt with granules preliminarily prepared in a planetary mill from chips of this alloy and a Ti2NbAl intermetallic powder are investigated. The refinement of a matrix grain structure due to changes in the solidification rate provides an improved reinforcing phase distribution in the matrix, which ensures a multiple reduction in the wear rate of the composite material compared to the matrix alloy. The friction coefficient of the composite material decreases slightly and only with increasing test loads.