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<p>This study describes a&#xa0;method for creating new anti-friction alloys. The process involves spark plasma sintering of powder materials produced by electroerosive dispersion of CuSn5Pb25 lead-tin bronze waste in a&#xa0;carbon-containing medium, such as isopropyl alcohol. Experiments shown that the rapid heating and short cycle duration of spark plasma sintering prevent grain growth and promote an equilibrium state with a&#xa0;submicron grain structure. Consequently, this technique produces alloy billets with superior physical and mechanical properties, as well as a&#xa0;pore-free structure, compared to those manufactured using conventional methods. Additionally, the free carbon formed during waste dispersion in the carbonaceous medium acts as a&#xa0;solid lubricant that reduces the friction coefficient of the resulting alloy billets.</p>

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Properties of anti-friction alloys based on electroerosion powders derived from CuSn5Pb25 alloy waste

  • 期刊论文

  • 发表日期：

    2025年11月17日

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  • E. V. Ageev,
  • A. S. Pereverzev,
  • A. E. Ageeva

摘要

This study describes a method for creating new anti-friction alloys. The process involves spark plasma sintering of powder materials produced by electroerosive dispersion of CuSn5Pb25 lead-tin bronze waste in a carbon-containing medium, such as isopropyl alcohol. Experiments shown that the rapid heating and short cycle duration of spark plasma sintering prevent grain growth and promote an equilibrium state with a submicron grain structure. Consequently, this technique produces alloy billets with superior physical and mechanical properties, as well as a pore-free structure, compared to those manufactured using conventional methods. Additionally, the free carbon formed during waste dispersion in the carbonaceous medium acts as a solid lubricant that reduces the friction coefficient of the resulting alloy billets.