One-step synthesis of high-entropy diborides with hierarchy structure and high hardness via aluminum-melt reaction method

Jinfeng Nie; Yating Zhi; Yong Fan; Yonghao Zhao; Xiangfa Liu

doi:10.1080/21663831.2023.2292079

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One-step synthesis of high-entropy diborides with hierarchy structure and high hardness via aluminum-melt reaction method

Original Reports | 更新时间：2026-08-19

- One-step synthesis of high-entropy diborides with hierarchy structure and high hardness via aluminum-melt reaction method
- Materials Research Letters Vol. 12, Issue 2, Pages: 88-96(2024)
- 作者机构：
  
  1. a Nano and Heterogeneous Materials Center School of Materials Science and Engineering Nanjing University of Science and Technology
  2. a Nano and Heterogeneous Materials Center School of Materials Science and Engineering Nanjing University of Science and Technology Nanjing People’s Republic of China
  3. b School of Materials Science and Engineering Hohai University
  4. c Key Laboratory for Liquid–Solid Structural Evolution and Processing of Materials Ministry of Education Shandong University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2023.2292079
  CLC：
- Online First：19 December 2023，
  
  Published：2024
- 稿件说明：
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Jinfeng Nie, Yating Zhi, Yong Fan, et al. One-step synthesis of high-entropy diborides with hierarchy structure and high hardness via aluminum-melt reaction method[J]. Materials Research Letters, 2024, 12(2): 88-96.
DOI：

Jinfeng Nie, Yating Zhi, Yong Fan, et al. One-step synthesis of high-entropy diborides with hierarchy structure and high hardness via aluminum-melt reaction method[J]. Materials Research Letters, 2024, 12(2): 88-96. DOI： 10.1080/21663831.2023.2292079.

摘要

Abstract

Two new high-entropy metal diborides (ZrTiVCr)B

and (ZrTiVCrMn)B

were successfully synthesized via a novel aluminum melt reaction method. The high-entropy diboride crystals have a hexagonal structure and possess high compositional uniformity. We unexpectedly found that the Mn elements could significantly change the crystal morphology of (ZrTiVCrMn)B

resulting in a hierarchically structured nanosheet-assembled nanoplatelet shape. Benefiting from this interesting hierarchical structure and enhanced lattice distortion

the average hardness of the (ZrTiVCrMn)B

phase is significantly enhanced to 31.44 GPa as compared to that of (ZrTiVCr)B

for 28.82 GPa. This work will supply a new paradigm for synthesizing high-entropy metal diborides.

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Shuang Han

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Related Institution

f International Center of Future Science Jilin University

a State Key Laboratory of Superhard Materials Key Laboratory of Automobile Materials of Ministry of Education and School of Materials Science and Engineering Jilin University Changchun People’s Republic of China

e State Key Laboratory of Integrated Optoelectronics College of Electronic Science and Engineering Jilin University

d State Key Laboratory of Inorganic Synthesis and Preparative Chemistry College of Chemistry Jilin University

c Electron Microscopy Center Jilin University

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