Journal
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
Volume 62, Issue -, Pages 214-220Publisher
JOURNAL MATER SCI TECHNOL
DOI: 10.1016/j.jmst.2020.06.018
Keywords
High-entropy alloy; Short-range ordering; Mechanical properties
Funding
- National Natural Science Foundation of China [51921001, 51871016, 51971017, 51531001, 51901013, 51671021]
- 111 Project [B07003]
- Program for Changjiang Scholars and Innovative Research Team in University of China [IRT-14R05]
- Projects of SKLAMM-USTB
- Fundamental Research Fund for the Central Universities [FRF-BD-19002B]
- National Key Basic Research Program, China [2016YFB0300502]
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This letter summarizes the formation and characterization of short-range orderings (SROs) and their effects on the deformation behavior of high-entropy alloys (HEAs). It shows that tuning the degree of SROs is an effective way for optimizing the mechanical properties of HEAs. The challenges and future research activities regarding the formation mechanism and characterization of SROs in HEAs are also discussed.
In this letter, we briefly summarize experimental and theoretical findings of formation and characterization of short-range orderings (SROs) as well as their effects on the deformation behavior of high-entropy alloys (HEAs). We show that existence of SROs is a common yet key structural feature of HEAs, and tuning the degree of SROs is an effective way for optimizing mechanical properties of HEAs. In additional, the challenges concerning about formation mechanism and characterization of SROs in HEAs are discussed, and future research activities in this regard are also proposed. (C) 2020 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
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