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<p>The work examines the deformation behavior and microstructure evolution in lead brass LS59‑1 (Cu–40%Zn–1%Pb, C37000 in ASTM standard) during experimental isothermal multidirectional forging (IMF) in the temperature range of 400–500 °C. The results demonstrate that the IMF facilitates the formation of a&#xa0;more uniform and fine-grained structure with an average grain size of 2.2 ± 0.2 µm, accompanied by an increase in hardness to 323 ± 21 <i>HV</i> in the initial state following an accumulated strain of Σε = 14.4. Therefore, it can be concluded that the IMF leads to a&#xa0;more effective refinement of the grain microstructure at temperatures of low technological plasticity where β′-phase occurs.</p>

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Deformation behavior and microstructure evolution in lead brass during isothermal multidirectional forging

  • 期刊论文

  • 发表日期：

    2025年2月7日

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  • M. S. Kishchik,
  • A. A. Kishchik,
  • A. G. Mochugovskiy,
  • A. D. Kotov

摘要

The work examines the deformation behavior and microstructure evolution in lead brass LS59‑1 (Cu–40%Zn–1%Pb, C37000 in ASTM standard) during experimental isothermal multidirectional forging (IMF) in the temperature range of 400–500 °C. The results demonstrate that the IMF facilitates the formation of a more uniform and fine-grained structure with an average grain size of 2.2 ± 0.2 µm, accompanied by an increase in hardness to 323 ± 21 HV in the initial state following an accumulated strain of Σε = 14.4. Therefore, it can be concluded that the IMF leads to a more effective refinement of the grain microstructure at temperatures of low technological plasticity where β′-phase occurs.