Evaluation of phase stability and diffusion kinetics in novel BCC-structured high entropy alloys

Marek Zajusz; Monika Jawańska; Juliusz Dąbrowa; Katarzyna Berent; Grzegorz Cieślak; Tadeusz Kulik; Krzysztof Mroczka

doi:10.1080/21663831.2022.2064728

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Evaluation of phase stability and diffusion kinetics in novel BCC-structured high entropy alloys

Original Reports | 更新时间：2026-08-19

- Evaluation of phase stability and diffusion kinetics in novel BCC-structured high entropy alloys
- Evaluation of phase stability and diffusion kinetics in novel BCC-structured high entropy alloys
- 材料研究快报（英文） 2022年10卷第8期页码：556-565
- 作者机构：
  
  1. a Faculty of Materials Science and Ceramics AGH University of Science and Technology
  2. b Academic Centre for Materials and Nanotechnology AGH University of Science and Technology
  3. c Faculty of Materials Science and Engineering Warsaw University of Technology
  4. d Faculty of Exact and Natural Sciences Pedagogical University of Krakow Kraków Poland
  5. e Faculty of Materials Engineering and Physics Cracow University of Technology
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2022.2064728
  中图分类号：
- 网络首发：2022-04-23，
  
  纸质出版：2022
- 稿件说明：
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Marek Zajusz, Monika Jawańska, Juliusz Dąbrowa, 等. Evaluation of phase stability and diffusion kinetics in novel BCC-structured high entropy alloys[J]. 材料研究快报（英文）, 2022,10(8):556-565.

Marek Zajusz, Monika Jawańska, Juliusz Dąbrowa, et al. Evaluation of phase stability and diffusion kinetics in novel BCC-structured high entropy alloys[J]. Materials Research Letters, 2022, 10(8): 556-565.
Marek Zajusz, Monika Jawańska, Juliusz Dąbrowa, 等. Evaluation of phase stability and diffusion kinetics in novel BCC-structured high entropy alloys[J]. 材料研究快报（英文）, 2022,10(8):556-565. DOI： 10.1080/21663831.2022.2064728.

Marek Zajusz, Monika Jawańska, Juliusz Dąbrowa, et al. Evaluation of phase stability and diffusion kinetics in novel BCC-structured high entropy alloys[J]. Materials Research Letters, 2022, 10(8): 556-565. DOI： 10.1080/21663831.2022.2064728.

摘要

Abstract

The diffusion kinetics of the BCC-structured high-entropy alloys (HEAs) is studied experimentally for the first time. First

the literature data regarding the transition-metal based

single-phase

BCC-structured HEAs is re-evaluated using the state-of-the-art

HEAs-dedicated TCHEA4 thermodynamic database

signalizing the need for further reassessment of the literature data accumulated during the last decade. The selected Al-Cr-Fe-Mn-V system was used for the interdiffusion experiments. The concentration profiles were evaluated using the numerical combinatorial approach

revealing surprisingly fast diffusion kinetics. The comparison with the available diffusion data for conventional BCC alloys supports recent findings regarding the lack of the ‘sluggish diffusion’ in HEAs.

IMPACT STATEMENT

The first-ever experimental study of interdiffusion in BCC-structured high-entropy alloys is conducted

revealing fast diffusion kinetics and providing a further argument against the presence of sluggish diffusion effect in HEAs.

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相关机构

1 Graduate Institute of Ferrous & Eco Materials Technology Pohang University of Science and Technology (POSTECH)

2 Department of Materials Science and Engineering Pohang University of Science and Technology (POSTECH)

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

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

Center for Heterogenic Metal Additive Manufacturing Pohang University of Science and Technology (POSTECH) Pohang Republic of Korea

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