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<p>Titanium aluminide (TiAl) alloys, owing to their high specific strength and excellent high-temperature stability, have been recognized as promising candidate materials for high-temperature components in aeroengines. With the rapid development of aerospace technology, increasingly stringent requirements have been placed on the comprehensive performance of TiAl alloys, thereby stimulating extensive research on their modification mechanisms. This review systematically summarizes recent advances in the synergistic modification of TiAl alloys through the application of various physical fields (thermal, electric, magnetic, cryogenic, etc.) and elemental doping (Nb, Si, C, and others). Particular emphasis is placed on the evolution of microstructure, strengthening mechanisms, and performance optimization strategies. Finally, potential challenges and future research directions for the development of advanced TiAl-based materials are proposed.</p>

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Progress in Performance Optimization of Ti-Al Alloys for Aviation via Physical Field Application and Alloying

  • 期刊论文

  • 发表日期：

    2026年1月20日

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  • Gui-rong Li,
  • Jian-zhu Zhou,
  • Hong-ming Wang,
  • Han Zhou,
  • Zhi-hong Ma,
  • Zhi-jun Ji,
  • Xian-fei Ding,
  • Ye Liu

摘要

Titanium aluminide (TiAl) alloys, owing to their high specific strength and excellent high-temperature stability, have been recognized as promising candidate materials for high-temperature components in aeroengines. With the rapid development of aerospace technology, increasingly stringent requirements have been placed on the comprehensive performance of TiAl alloys, thereby stimulating extensive research on their modification mechanisms. This review systematically summarizes recent advances in the synergistic modification of TiAl alloys through the application of various physical fields (thermal, electric, magnetic, cryogenic, etc.) and elemental doping (Nb, Si, C, and others). Particular emphasis is placed on the evolution of microstructure, strengthening mechanisms, and performance optimization strategies. Finally, potential challenges and future research directions for the development of advanced TiAl-based materials are proposed.