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<p>The effect of asymmetric rolling on the microstructure, texture, and mechanical properties of Mg–11Li–3Al–2Zn alloy was investigated. Asymmetric rolling changes the size and distribution of AlLi phase, and AlLi phase exhibits the smallest size and most uniform distribution when the velocity ratio is 1.3. After asymmetric rolling, the alloy undergoes discontinuous dynamic recrystallization and forms strong<i> α</i> and<i> γ</i> fiber textures, and the average grain size of the alloy is refined with the increase in velocity ratio. Asymmetric rolling significantly improves the elongation of the alloy, and the alloy has the highest elongation of 46.0% when the velocity ratio is 1.3 due to the combined effect of smaller grain size and the smallest and most uniform AlLi particles.</p>

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Effect of Asymmetric Rolling on the Microstructure, Texture, and Mechanical Properties of Mg–11Li–3Al–2Zn Alloy

  • 期刊论文

  • 发表日期：

    2025年1月2日

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  • Fan Zhang,
  • Jian Ren,
  • Mingjun Yang,
  • Guangsheng Song,
  • Yuehua Sun

摘要

The effect of asymmetric rolling on the microstructure, texture, and mechanical properties of Mg–11Li–3Al–2Zn alloy was investigated. Asymmetric rolling changes the size and distribution of AlLi phase, and AlLi phase exhibits the smallest size and most uniform distribution when the velocity ratio is 1.3. After asymmetric rolling, the alloy undergoes discontinuous dynamic recrystallization and forms strong α and γ fiber textures, and the average grain size of the alloy is refined with the increase in velocity ratio. Asymmetric rolling significantly improves the elongation of the alloy, and the alloy has the highest elongation of 46.0% when the velocity ratio is 1.3 due to the combined effect of smaller grain size and the smallest and most uniform AlLi particles.