Rapid precipitation of L1 <sub>2</sub> phase in Al <sub>0.5</sub> CoCrFeNi high-entropy alloy under electropulsing
A new strategy for the rapid precipitation (1.8 s) of L12 nanoprecipitates in Al0.5CoCrFeNi high-entropy alloys by electropulsing treatment (EPT) has recently been discovered. The coherent L12 phase was introduced under high temperatures by EPT, and this result broke the previous understanding that it needs to be aged for a long time at low temperatures. The formation of the L12 precipitates was mainly attributed to the combination of thermal and athermal effects during EPT. This work provides insights into the rapid regulation of multiphase (FCC + B2 + L12) and dislocation combinations in high-entropy alloys to optimize strength and ductility.
Authors
- Yongqiang Yu
- Zhicheng Wu
- Xiaofeng Xu (ORCID: https://orcid.org/0000-0002-1705-6559)
- Hai-Long Jia (ORCID: https://orcid.org/0000-0002-2097-895X)
- Yue Jiang (ORCID: https://orcid.org/0000-0001-6021-2214)
- Ganghu Cheng
- Xingguo Fu
- Lai Wei
Institutions
- Jilin University (CN)
- Jilin Medical University (CN)
- Jilin Agricultural University (CN)
Publication Details
- Journal
- Materials Research Letters
- Published
- 2025-02-28
- DOI
- https://doi.org/10.1080/21663831.2025.2471963
- Citations
- 7
- Primary Topic
- High Entropy Alloys Studies
- Type
- article
- Field-Weighted Citation Impact
- 4.99
Funders
- National Natural Science Foundation of China
- Natural Science Foundation of Shandong Province