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Metallurgical and Materials Transactions A
Published in: Metallurgical and Materials Transactions A 12/2023

18-10-2023 | Brief Communication

Enhancing the Yield Strength of Casting Eutectic High-Entropy Alloys via Coherent Precipitates

Authors: Xin Liu, Zhongsheng Yang, Dingcong Cui, Qingfeng Wu, Zhijun Wang, Junjie Li, Jincheng Wang, Feng He

Published in: Metallurgical and Materials Transactions A | Issue 12/2023

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Abstract

Eutectic high-entropy alloys (EHEAs) have shown good as-cast tensile strength and ductility due to the combination of soft and hard phases. However, the yield strengths of casting EHEAs are less competitive. We here induced precipitation hardening to overcome the above challenge in the casting Ni44Co10Cr12Fe15Al17W2 EHEA. L12 and BCC dual-coherent phases precipitate from the FCC/B2 eutectics of Ni44Co10Cr12Fe15Al17W2, leading to an excellent yield strength of 805 ± 45 MPa with uniform elongation of 17.7 ± 0.9 pct.
previous article Melt Flow-Induced Mechanical Deformation and Fracture Behaviour of Dendrites in Alloy Solidification
next article Direct-Current-Assisted Healing for Functional Degradation of Nanocrystalline Superelastic NiTi Shape Memory Alloys

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Appendix
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Metadata
Title
Enhancing the Yield Strength of Casting Eutectic High-Entropy Alloys via Coherent Precipitates
Authors
Xin Liu
Zhongsheng Yang
Dingcong Cui
Qingfeng Wu
Zhijun Wang
Junjie Li
Jincheng Wang
Feng He
Publication date
18-10-2023
Publisher
Springer US
Published in
Metallurgical and Materials Transactions A / Issue 12/2023
Print ISSN: 1073-5623
Electronic ISSN: 1543-1940
DOI
https://doi.org/10.1007/s11661-023-07225-3

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