Distinct Recrystallization Kinetics in Ni–Co–Cr–Fe-Based Single-Phase High-Entropy Alloys

Zhongsheng Yang; Feng He; Qingfeng Wu; Kaiwei Zhang; Dingcong Cui; Bojing Guo; Bin Han; Junjie Li; Jincheng Wang; Zhijun Wang

doi:10.1007/s11661-021-06341-2

Distinct Recrystallization Kinetics in Ni–Co–Cr–Fe-Based Single-Phase High-Entropy Alloys

Zhongsheng Yang, Feng He, Qingfeng Wu, Kaiwei Zhang, Dingcong Cui, Bojing Guo, Bin Han, Junjie Li, Jincheng Wang, Zhijun Wang

School of Materials Sience and Engineering

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

Recrystallization has been a major method to induce heterogeneous grain structure for improving the strength–ductility combination of single-phase high-entropy alloys (HEAs). However, the recrystallization kinetics, which are the guideline for controlling the recrystallization behavior, of single-phase HEAs are relatively less explored. Here, we uncover the recrystallization behaviors of typical single-phase NiCoCrFe and Ni₂CoCrFe HEAs. Our results showed that the two investigated HEAs exhibit almost similar recrystallization activation energy around 230 kJ·mol⁻¹, but distinctively different recrystallization kinetics. This abnormal difference is attributed to the deformation twins of NiCoCrFe. These findings indicate that, except for textbook factors, deformation twinning significantly enhances the recrystallization behavior of HEAs.

Original language	English
Pages (from-to)	3799-3810
Number of pages	12
Journal	Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume	52
Issue number	9
DOIs	https://doi.org/10.1007/s11661-021-06341-2
State	Published - Sep 2021

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title = "Distinct Recrystallization Kinetics in Ni–Co–Cr–Fe-Based Single-Phase High-Entropy Alloys",

abstract = "Recrystallization has been a major method to induce heterogeneous grain structure for improving the strength–ductility combination of single-phase high-entropy alloys (HEAs). However, the recrystallization kinetics, which are the guideline for controlling the recrystallization behavior, of single-phase HEAs are relatively less explored. Here, we uncover the recrystallization behaviors of typical single-phase NiCoCrFe and Ni2CoCrFe HEAs. Our results showed that the two investigated HEAs exhibit almost similar recrystallization activation energy around 230 kJ·mol−1, but distinctively different recrystallization kinetics. This abnormal difference is attributed to the deformation twins of NiCoCrFe. These findings indicate that, except for textbook factors, deformation twinning significantly enhances the recrystallization behavior of HEAs.",

author = "Zhongsheng Yang and Feng He and Qingfeng Wu and Kaiwei Zhang and Dingcong Cui and Bojing Guo and Bin Han and Junjie Li and Jincheng Wang and Zhijun Wang",

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doi = "10.1007/s11661-021-06341-2",

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T1 - Distinct Recrystallization Kinetics in Ni–Co–Cr–Fe-Based Single-Phase High-Entropy Alloys

AU - Yang, Zhongsheng

AU - He, Feng

AU - Wu, Qingfeng

AU - Zhang, Kaiwei

AU - Cui, Dingcong

AU - Guo, Bojing

AU - Han, Bin

AU - Li, Junjie

AU - Wang, Jincheng

AU - Wang, Zhijun

PY - 2021/9

Y1 - 2021/9

N2 - Recrystallization has been a major method to induce heterogeneous grain structure for improving the strength–ductility combination of single-phase high-entropy alloys (HEAs). However, the recrystallization kinetics, which are the guideline for controlling the recrystallization behavior, of single-phase HEAs are relatively less explored. Here, we uncover the recrystallization behaviors of typical single-phase NiCoCrFe and Ni2CoCrFe HEAs. Our results showed that the two investigated HEAs exhibit almost similar recrystallization activation energy around 230 kJ·mol−1, but distinctively different recrystallization kinetics. This abnormal difference is attributed to the deformation twins of NiCoCrFe. These findings indicate that, except for textbook factors, deformation twinning significantly enhances the recrystallization behavior of HEAs.

AB - Recrystallization has been a major method to induce heterogeneous grain structure for improving the strength–ductility combination of single-phase high-entropy alloys (HEAs). However, the recrystallization kinetics, which are the guideline for controlling the recrystallization behavior, of single-phase HEAs are relatively less explored. Here, we uncover the recrystallization behaviors of typical single-phase NiCoCrFe and Ni2CoCrFe HEAs. Our results showed that the two investigated HEAs exhibit almost similar recrystallization activation energy around 230 kJ·mol−1, but distinctively different recrystallization kinetics. This abnormal difference is attributed to the deformation twins of NiCoCrFe. These findings indicate that, except for textbook factors, deformation twinning significantly enhances the recrystallization behavior of HEAs.

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JO - Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science

JF - Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science

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ER -

Distinct Recrystallization Kinetics in Ni–Co–Cr–Fe-Based Single-Phase High-Entropy Alloys

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