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<p>An integrated heat treatment strategy combining preageing and prestraining is employed to tailor a favorable distribution of <i>T</i><sub>1</sub> and <i>θ</i>′ precipitates, enabling synergistic strengthening from both the phases. The relatively balanced precipitate population results in a substantial increase in the overall precipitation hardening contribution, which is reflected in a notable rise in yield strength compared to the conventional T8 route.</p>

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Implementing Strategic Control of T1 and θ′ Precipitates for Achieving Superior Mechanical Performance in Al–Cu–Li Alloys

  • 期刊论文

  • 发表日期：

    2026年2月11日

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  • Purnima Bharti,
  • Jyoti Ranjan Sahoo,
  • Sumeet Mishra

摘要

An integrated heat treatment strategy combining preageing and prestraining is employed to tailor a favorable distribution of T1 and θ′ precipitates, enabling synergistic strengthening from both the phases. The relatively balanced precipitate population results in a substantial increase in the overall precipitation hardening contribution, which is reflected in a notable rise in yield strength compared to the conventional T8 route.