Strengthening dual-phase Mg-Li alloy through precipitation control
Inherent low strength is the major limitation of Mg-Li alloys. Through precise control of precipitates, the cast Mg-8Li-3Al-2Zn alloy obtained a high specific ultimate tensile strength of 213 kN·m·kg−1. Precipitates evolution during non-isothermal aging was investigated: strip-like Mg3(Al, Zn) in β-Li → globular Mg3(Al, Zn) in β-Li →Mg/Li(Al, Zn) core–shell and nanoscale rod-like Mg3(Al, Zn) in β-Li + Laves phase in α-Mg. The short-term high-temperature aging results in the precipitation of Laves phase in α-Mg and the formation of nanoscale rod-like Mg3(Al, Zn) and Mg/Li(Al, Zn) core–shell phase in β-Li, achieving synergistic strengthening of the dual matrix phases.
Authors
- Yu‐Chuan Huang (ORCID: https://orcid.org/0000-0003-2770-9792)
- Jiaxin Yu (ORCID: https://orcid.org/0000-0002-9491-9020)
- Xiaofeng Tao (ORCID: https://orcid.org/0000-0002-6401-6568)
- Fangzhou Qi (ORCID: https://orcid.org/0000-0002-9363-9529)
- Guohua Wu (ORCID: https://orcid.org/0000-0001-5089-4354)
- Yi Lei (ORCID: https://orcid.org/0000-0001-9295-3930)
- Youjie Guo
- Yangyang Xu (ORCID: https://orcid.org/0000-0003-2651-0677)
- Wencai Liu (ORCID: https://orcid.org/0000-0002-2941-1773)
- Jiawei Sun (ORCID: https://orcid.org/0009-0000-3390-5613)
Institutions
- Shanghai Jiao Tong University (CN)
Publication Details
- Journal
- Materials Research Letters
- Published
- 2024-10-28
- DOI
- https://doi.org/10.1080/21663831.2024.2409232
- Citations
- 17
- Primary Topic
- Magnesium Alloys: Properties and Applications
- Type
- article
- Field-Weighted Citation Impact
- 2.95
Funders
- National Natural Science Foundation of China
- Joint Research Center for Science and Technology, Ryukoku University