Realizing superior strength-ductility combination in dual-phase AlFeCoNiV high-entropy alloy through composition and microstructure design

Zhenhua Ye; Chuanwei Li; Mengyao Zheng; Xinyu Zhang; Xudong Yang; Qing Wang; Jianfeng Gu

doi:10.1080/21663831.2022.2093140

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Realizing superior strength-ductility combination in dual-phase AlFeCoNiV high-entropy alloy through composition and microstructure design

Original Reports | 更新时间：2026-08-19

- Realizing superior strength-ductility combination in dual-phase AlFeCoNiV high-entropy alloy through composition and microstructure design
- Materials Research Letters Vol. 10, Issue 11, Pages: 736-743(2022)
- 作者机构：
  
  1. a Institute of Materials Modification and Modelling School of Materials Science and Engineering Shanghai Jiao Tong University
  2. b Laboratory for Microstructures Institute of Materials Shanghai University
  3. a Institute of Materials Modification and Modelling School of Materials Science and Engineering Shanghai Jiao Tong University Shanghai People’s Republic of China
  4. c Shanghai Key Laboratory of Materials Laser Processing and Modification Shanghai Jiao Tong University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2022.2093140
  CLC：
- Online First：03 July 2022，
  
  Published：2022
- 稿件说明：
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Zhenhua Ye, Chuanwei Li, Mengyao Zheng, et al. Realizing superior strength-ductility combination in dual-phase AlFeCoNiV high-entropy alloy through composition and microstructure design[J]. Materials Research Letters, 2022, 10(11): 736-743.
DOI：

Zhenhua Ye, Chuanwei Li, Mengyao Zheng, et al. Realizing superior strength-ductility combination in dual-phase AlFeCoNiV high-entropy alloy through composition and microstructure design[J]. Materials Research Letters, 2022, 10(11): 736-743. DOI： 10.1080/21663831.2022.2093140.

摘要

Abstract

hieving high strength and ductility simultaneously in high-entropy alloys (HEAs) has always been a challenge

and recent studies indicate that duplex microstructure provides a strategy to solve this contradiction. We prepared Al

0.25

FeCoNiV HEA with L1

/B2 fine-grain duplex microstructure and achieved a remarkable combination of the ultimate tensile strength (1530 MPa) and ductility (20%)

which clearly outperforms other duplex HEAs. Owing to the formation of fine-grain microstructure and the hindrance of the B2 phase

high yield strength has been achieved. Furthermore

the excellent work-hardening ability of the L1

phase and the dispersion of the B2 phase ensured uniform deformation and high strength.

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Related Institution

f Institute for Convergence Research and Education in Advanced Technology Yonsei University

e Advanced Institute for Materials Research (WPI-AIMR) Tohoku University Sendai Japan

b Graduate Institute of Ferrous & Eco Materials Technology Pohang University of Science and Technology (POSTECH) Pohang Republic of Korea

a Department of Materials Science and Engineering Pohang University of Science and Technology (POSTECH) Pohang Republic of Korea

d Department of Mechanical and Industrial Engineering University of Massachusetts Amherst

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