Ultrahigh strength triggered by BCC and B2 eutectic-phase interfaces in a novel FeCrVNiAl high-entropy alloy

M. Z. Wang; Y. F. Shen; N. Jia; W. Y. Xue; Z. D. Wang

doi:10.1080/21663831.2024.2383352

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Ultrahigh strength triggered by BCC and B2 eutectic-phase interfaces in a novel FeCrVNiAl high-entropy alloy

Original Reports | 更新时间：2026-08-19

- Ultrahigh strength triggered by BCC and B2 eutectic-phase interfaces in a novel FeCrVNiAl high-entropy alloy
- Materials Research Letters Vol. 12, Issue 10, Pages: 745-755(2024)
- 作者机构：
  
  1. a Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education) School of Materials Science and Engineering Northeastern University
  2. b The State Key Lab of Rolling & Automation Northeastern University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2024.2383352
  CLC：
- Online First：07 August 2024，
  
  Published：2024
- 稿件说明：
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M. Z. Wang, Y. F. Shen, N. Jia, et al. Ultrahigh strength triggered by BCC and B2 eutectic-phase interfaces in a novel FeCrVNiAl high-entropy alloy[J]. Materials Research Letters, 2024, 12(10): 745-755.
DOI：

M. Z. Wang, Y. F. Shen, N. Jia, et al. Ultrahigh strength triggered by BCC and B2 eutectic-phase interfaces in a novel FeCrVNiAl high-entropy alloy[J]. Materials Research Letters, 2024, 12(10): 745-755. DOI： 10.1080/21663831.2024.2383352.

摘要

Abstract

The strength−ductility tradeoff and composition homogeneity have been the obstacles to obtaining advanced structural alloys. To overcome the limitations

we develop a novel coherently eutectic high-entropy alloy

i.e. Fe

. By introducing a BCC phase with a low lattice misfit (0.13%) and constructing the BCC/B2 eutectic-phase interfaces

the alloy shows high mechanical stability. The low lattice mismatch contributes to the good stability of the phase interfaces and inhibits crack initiation. Thus

the as-cast Fe

alloy shows an excellent tensile yield strength of 929 MPa and a high yield compressive strength of 2423 MPa. In addition

it shows an excellent compressive strain of 22.3%.

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Related Institution

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a Multidisciplinary Research Center – Cardinal Stefan Wyszynski University in Warsaw

a Multidisciplinary Research Center – Cardinal Stefan Wyszynski University in Warsaw Warsaw Poland

b Institute of High Pressure Physics Polish Academy of Sciences

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