期刊
SCRIPTA MATERIALIA
卷 195, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2021.113724
关键词
High entropy alloy matrix composites; Transmission electron microscopy; Microstructure; Mechanical properties
类别
资金
- Jiangsu Province Science and Technology Plan Project [BE2018753/KJ185629]
- National Natural Science Foundation of China [51571118, 51371098]
- Extracurricular Research Fund for College Students of Nanjing University of Science and Technology, PR China
- Australian Research Council
The combined effects of vanadium additions and in-situ TiC particle formation significantly impact the microstructure and mechanical properties of FeCrNiCu high entropy alloys, leading to improved strength. Experimental results confirm the accuracy of theoretical predictions.
The combined effects of vanadium additions and in-situ TiC particle formation upon the microstructure and mechanical properties of FeCrNiCu high entropy alloys were investigated. The addition of V changed the FeCrNiCu matrix structure from FCC (i.e., face-centered cubic) to FCC+BCC (i.e., body-centered cubic). The as-cast 10 vol.%TiC/FeCrNiCuV0.1 high entropy alloy matrix composite showed excellent mechanical properties, with the yield strength and ultimate tensile strength determined to be 653.5 MPa and 1006.5 MPa, respectively. The extra strength generated by V addition and in-situ TiC particles in FeCrNiCu was evaluated, and the theoretical predictions match the experimental results well. (C) 2021 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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