Unusual relation between glass-forming ability and thermal stability of high-entropy bulk metallic glasses

M. Yang; X. J. Liu; Y. Wu; H. Wang; X. Z. Wang; Z. P. Lu

doi:10.1080/21663831.2018.1482839

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Unusual relation between glass-forming ability and thermal stability of high-entropy bulk metallic glasses

Original Report | 更新时间：2026-08-19

- Unusual relation between glass-forming ability and thermal stability of high-entropy bulk metallic glasses
- Unusual relation between glass-forming ability and thermal stability of high-entropy bulk metallic glasses
- 材料研究快报（英文） 2018年6卷第9期页码：495-500
- 作者机构：
  
  1. State Key Laboratory for Advanced Metals and Materials University of Science and Technology Beijing
  2. Institute for Advanced Materials and Technology University of Science and Technology Beijing
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2018.1482839
  中图分类号：
- 网络首发：2018-07-03，
  
  纸质出版：2018
- 稿件说明：
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M. Yang, X. J. Liu, Y. Wu, 等. Unusual relation between glass-forming ability and thermal stability of high-entropy bulk metallic glasses[J]. 材料研究快报（英文）, 2018,6(9):495-500.

M. Yang, X. J. Liu, Y. Wu, et al. Unusual relation between glass-forming ability and thermal stability of high-entropy bulk metallic glasses[J]. Materials Research Letters, 2018, 6(9): 495-500.
M. Yang, X. J. Liu, Y. Wu, 等. Unusual relation between glass-forming ability and thermal stability of high-entropy bulk metallic glasses[J]. 材料研究快报（英文）, 2018,6(9):495-500. DOI： 10.1080/21663831.2018.1482839.

M. Yang, X. J. Liu, Y. Wu, et al. Unusual relation between glass-forming ability and thermal stability of high-entropy bulk metallic glasses[J]. Materials Research Letters, 2018, 6(9): 495-500. DOI： 10.1080/21663831.2018.1482839.

摘要

Abstract

BSTRACTIt is generally accepted that good glass formers have a high thermal stability against crystallization upon heating. In this paper

we report an unusual relationship between thermal stability and glass-forming ability (GFA) for high-entropy bulk metallic glasses (HE-BMGs). As compared with their conventional counterparts in the same alloy system

the HE-BMGs have a lower energy barrier for atomic diffusion during undercooling

which facilitates crystallization and then reduces the GFA. Our results clearly demonstrate that the GFA of BMGs is governed by the kinetics of the undercooled liquid

whilst their thermal stability is controlled by atomic diffusion in the glass-transition regime.

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相关机构

a Shenyang National Laboratory for Materials Science Institute of Metal Research Chinese Academy of Sciences

b School of Materials Science and Engineering University of Science and Technology of China

a Shenyang National Laboratory for Materials Science Institute of Metal Research Chinese Academy of Sciences Shenyang People’s Republic of China

b State Key Laboratory of High Performance Roll Materials and Composite Forming School of Material Science and Engineering Hebei University of Technology

a State Key Laboratory of Metastable Materials Science and Technology & School of Materials Science and Engineering Yanshan University

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