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<p>As a&#xa0;result of this study, it was determined that production in an open induction furnace is the sufficient technology for smelting shape-memory alloys (SMAs) based on the Fe–Mn–Si system. It has been found that the high rates of crystallization are necessary in order to obtain a&#xa0;homogeneous, fine-grained cast structure. A&#xa0;procedure for determining the phase composition of shape-memory alloys based on the Fe–Mn–Si system was developed. It was shown that extended high-temperature homogenizing annealing is essential for the production of a&#xa0;defect-free workpiece using pressure metal treatment methods. Heat treatment conditions were proposed that would allow obtaining satisfactory mechanical properties for further manufacture of various products.</p>

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Effect of production technology on the structural condition and mechanical properties of a shape-memory alloy based on the Fe–Mn–Si system

  • 期刊论文

  • 发表日期：

    2025年2月18日

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  • D. V. Nechaev,
  • A. A. Kur,
  • A. A. Alkhimenko,
  • P. E. Kruk,
  • N. O. Shaposhnikov

摘要

As a result of this study, it was determined that production in an open induction furnace is the sufficient technology for smelting shape-memory alloys (SMAs) based on the Fe–Mn–Si system. It has been found that the high rates of crystallization are necessary in order to obtain a homogeneous, fine-grained cast structure. A procedure for determining the phase composition of shape-memory alloys based on the Fe–Mn–Si system was developed. It was shown that extended high-temperature homogenizing annealing is essential for the production of a defect-free workpiece using pressure metal treatment methods. Heat treatment conditions were proposed that would allow obtaining satisfactory mechanical properties for further manufacture of various products.