Synergistic improvement of strength and plasticity of Mg-6Li-3Al-1Sn alloy by microstructure regulation via rotary swaging

Gang Zhou; Yan Yang; Yangyang Luo; Qian Li; Qun Luo; Yu Zhang; Bin Jiang; Xiaodong Peng; Fusheng Pan

doi:10.1080/21663831.2023.2278589

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Synergistic improvement of strength and plasticity of Mg-6Li-3Al-1Sn alloy by microstructure regulation via rotary swaging

Original Reports | 更新时间：2026-08-19

- Synergistic improvement of strength and plasticity of Mg-6Li-3Al-1Sn alloy by microstructure regulation via rotary swaging
- Materials Research Letters Vol. 11, Issue 12, Pages: 1031-1039(2023)
- 作者机构：
  
  1. a National Engineering Research Center for Magnesium Alloys Chongqing University
  2. a National Engineering Research Center for Magnesium Alloys Chongqing University Chongqing People’s Republic of China
  3. b National Key Laboratory of Advanced Casting Technologies Chongqing University
  4. c State Key Laboratory of Advanced Special Steels & Shanghai Key Laboratory of Advanced Ferrometallurgy & School of Materials Science and Engineering Shanghai University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2023.2278589
  CLC：
- Online First：08 November 2023，
  
  Published：2023
- 稿件说明：
移动端阅览
Gang Zhou, Yan Yang, Yangyang Luo, et al. Synergistic improvement of strength and plasticity of Mg-6Li-3Al-1Sn alloy by microstructure regulation via rotary swaging[J]. Materials Research Letters, 2023, 11(12): 1031-1039.
DOI：

Gang Zhou, Yan Yang, Yangyang Luo, et al. Synergistic improvement of strength and plasticity of Mg-6Li-3Al-1Sn alloy by microstructure regulation via rotary swaging[J]. Materials Research Letters, 2023, 11(12): 1031-1039. DOI： 10.1080/21663831.2023.2278589.

摘要

Abstract

Mg-6Li-3Al-1Sn (LAT631) alloy with a bimodal-grained structure was prepared via hot extrusion

followed by room temperature rotary swaging (RTRS). The as-extruded LAT631 alloy undergoes dynamical recrystallization

and massive twins are introduced during RTRS. Especially

Al segregation is generated with massive Al solutes surrounding Sn-rich particles via RTRS. Introducing twins and Al-rich segregation are critical factors for enhancing strength

and the increased proportion of DRXed grains is beneficial to improving the elongation in RSed alloy. This research demonstrates that strategic control of recrystallization and segregation by rotary swaging provides an innovative approach to optimizing the mechanical properties of Mg-Li alloys.

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Related Institution

National Engineering Research Center of Light Alloy Net Forming and State Key Laboratory of Metal Matrix Composite School of Materials Science and Engineering Shanghai Jiao Tong University

a Multidisciplinary Research Center – Cardinal Stefan Wyszynski University in Warsaw

a Multidisciplinary Research Center – Cardinal Stefan Wyszynski University in Warsaw Warsaw Poland

b Institute of High Pressure Physics Polish Academy of Sciences

c PSL Research University Chimie ParisTech CNRS Institut de Recherche de Chimie Paris

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