Compositive role of TiB2 in microstructure optimization and wear-resistant improvement of selective-laser-melted TiB2p/CrCoFeNiMn high-entropy composite

Zhao Chen; Xiaoli Wen; Weili Wang; Xin Lin; Haiou Yang; Lianyang Chen; Haibin Wu; Wenhui Li; Nan Li

doi:10.1080/21663831.2023.2272805

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Compositive role of TiB2 in microstructure optimization and wear-resistant improvement of selective-laser-melted TiB2p/CrCoFeNiMn high-entropy composite

Original Reports | 更新时间：2026-08-19

- Compositive role of TiB2 in microstructure optimization and wear-resistant improvement of selective-laser-melted TiB2p/CrCoFeNiMn high-entropy composite
- Compositive role of TiB2 in microstructure optimization and wear-resistant improvement of selective-laser-melted TiB2p/CrCoFeNiMn high-entropy composite
- 材料研究快报（英文） 2023年11卷第11期页码：964-972
- 作者机构：
  
  1. a School of Physical Science and Technology Northwestern Polytechnical University
  2. b State Key Laboratory of Solidification Processing Northwestern Polytechnical University
  3. c School of Aeronautics Northwestern Polytechnical University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2023.2272805
  中图分类号：
- 网络首发：2023-10-27，
  
  纸质出版：2023
- 稿件说明：
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Zhao Chen, Xiaoli Wen, Weili Wang, 等. Compositive role of TiB2 in microstructure optimization and wear-resistant improvement of selective-laser-melted TiB2p/CrCoFeNiMn high-entropy composite[J]. 材料研究快报（英文）, 2023,11(11):964-972.

Zhao Chen, Xiaoli Wen, Weili Wang, et al. Compositive role of TiB2 in microstructure optimization and wear-resistant improvement of selective-laser-melted TiB2p/CrCoFeNiMn high-entropy composite[J]. Materials Research Letters, 2023, 11(11): 964-972.
Zhao Chen, Xiaoli Wen, Weili Wang, 等. Compositive role of TiB2 in microstructure optimization and wear-resistant improvement of selective-laser-melted TiB2p/CrCoFeNiMn high-entropy composite[J]. 材料研究快报（英文）, 2023,11(11):964-972. DOI： 10.1080/21663831.2023.2272805.

Zhao Chen, Xiaoli Wen, Weili Wang, et al. Compositive role of TiB2 in microstructure optimization and wear-resistant improvement of selective-laser-melted TiB2p/CrCoFeNiMn high-entropy composite[J]. Materials Research Letters, 2023, 11(11): 964-972. DOI： 10.1080/21663831.2023.2272805.

摘要

Abstract

The CoCrFeNiMn high-entropy alloy and TiB2

/CoCrFeNiMn high-entropy composite (HEC) were manufactured by Selective laser melting. For the CoCrFeNiMn

a coarse epitaxial columnar microstructure with strong crystallographic textures was generated. While in the TiB2

/CoCrFeNiMn

TiB

particles are distributed in the significantly refined dendrites and nearly equiaxial grains

and phase transformation occurs to form σ phase. TiB

and σ phase construct a strong interface relationship with the matrix. TiB2

/CoCrFeNiMn HEC has extremely high microhardness (329 ± 2 HV) and excellent wear resistance (coefficients of friction 0.31 ± 0.02). The wear mechanism of the HEC was studied refer to the microstructure

composition and hardness.

IMPACT STATEMENT

TiB

-reinforced CoCrFeNiMn-based high-entropy composite is successfully fabricated by Selective laser melting

which exhibits exceptional hardness and the best wear resistance.

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相关机构

a State Key Laboratory of Metal Matrix Composites School of Materials Science and Engineering Shanghai Jiao Tong University

b College of Furnishings and Industrial Design and Co-Innovation Center of Efficient Processing and Utilization of Forest Resources Nanjing Forestry University

a State Key Laboratory of Solidification Processing Northwestern Polytechnical University Xi’an Shaanxi People’s Republic of China

b Chongqing Innovation Center Northwestern Polytechnical University

a State Key Laboratory of Solidification Processing Northwestern Polytechnical University Xi’an

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