Design of BCC refractory multi-principal element alloys with superior mechanical properties

Weiji Lai; Florian Vogel; Xueyang Zhao; Binbin Wang; Yanliang Yi; Deqiang You; Xin Tong; Wei Li; Xiang Yu; Xiaojian Wang

doi:10.1080/21663831.2021.2024615

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Design of BCC refractory multi-principal element alloys with superior mechanical properties

Original Reports | 更新时间：2026-08-19

- Design of BCC refractory multi-principal element alloys with superior mechanical properties
- Design of BCC refractory multi-principal element alloys with superior mechanical properties
- 材料研究快报（英文） 2022年10卷第3期页码：133-140
- 作者机构：
  
  1. a Institute of Advanced Wear & Corrosion Resistant and Functional Materials Jinan University
  2. a Institute of Advanced Wear & Corrosion Resistant and Functional Materials Jinan University Guangzhou China
  3. b National Joint Engineering Center of High-performance Wear-resistant Metallic Materials
  4. c Analytical and Testing Center Jinan University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2021.2024615
  中图分类号：
- 网络首发：2022-01-31，
  
  纸质出版：2022
- 稿件说明：
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Weiji Lai, Florian Vogel, Xueyang Zhao, 等. Design of BCC refractory multi-principal element alloys with superior mechanical properties[J]. 材料研究快报（英文）, 2022,10(3):133-140.

Weiji Lai, Florian Vogel, Xueyang Zhao, et al. Design of BCC refractory multi-principal element alloys with superior mechanical properties[J]. Materials Research Letters, 2022, 10(3): 133-140.
Weiji Lai, Florian Vogel, Xueyang Zhao, 等. Design of BCC refractory multi-principal element alloys with superior mechanical properties[J]. 材料研究快报（英文）, 2022,10(3):133-140. DOI： 10.1080/21663831.2021.2024615.

Weiji Lai, Florian Vogel, Xueyang Zhao, et al. Design of BCC refractory multi-principal element alloys with superior mechanical properties[J]. Materials Research Letters, 2022, 10(3): 133-140. DOI： 10.1080/21663831.2021.2024615.

摘要

Abstract

The correlations between tensile properties and some common parameters in BCC refractory multi-principal element alloys (RMPEAs) have been systematically investigated. The findings can be used as guidelines for the alloy design. We found that there exists a positive linear correlation between average atomic shear modulus mismatch and yield strength

and more negative enthalpy of mixing is peculiarly prone to brittle fracture in RMPEAs. Meanwhile

some BCC RMPEAs with first-class tensile properties were designed successfully. The analyses of alloys’ toughen mechanism revealed that their high strength

as well as good ductility

is attributed to lattice distortion and dislocation glide respectively.

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