Journal
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
Volume 35, Issue 10, Pages 2331-2335Publisher
JOURNAL MATER SCI TECHNOL
DOI: 10.1016/j.jmst.2019.05.050
Keywords
High-entropy alloys; Microstructure; Mechanical properties; Strength; Ductility
Funding
- National Natural Science Foundation of China [51571006, 51702143, 51805236]
- Program for Liaoning Distinguished Professor
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The microstructure and tensile properties of FexCoCrNiMn high-entropy alloys (HEAs) were investigated. It was found that the FeCoxCrNiMn HEA has a single face-centered cubic (fcc) structure in a wide range of Fe content. Further increasing the Fe content endowed the FeCoxCrNiMn alloys with an fcc/body-centered cubic (bcc) dual-phase structure. The yield strength of the FeCoxCrNiMn HEAs slightly decreased with the increase of Fe content. An excellent combination of strength and ductility was achieved in the FeCoxCrNiMn HEA with higher Fe content, which can be attributed to the outstanding deformation coordination capability of the fcc/bcc dual phase structure. (C) 2019 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
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