Anomalous thermal expansion in the deep super-cooled liquid region of a ZrCuAlAg bulk metallic glass

Q. Hu; J. M. Wang; Y. H. Yan; F. F. Luo; S. Guo; J. Liu; S. S. Chen; B. Huang; D. P. Lu; J. Z. Zou; X. R. Zeng

doi:10.1080/21663831.2017.1408713

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Anomalous thermal expansion in the deep super-cooled liquid region of a ZrCuAlAg bulk metallic glass

Original Report | 更新时间：2026-08-19

- Anomalous thermal expansion in the deep super-cooled liquid region of a ZrCuAlAg bulk metallic glass
- Anomalous thermal expansion in the deep super-cooled liquid region of a ZrCuAlAg bulk metallic glass
- 材料研究快报（英文） 2018年6卷第2期页码：121-129
- 作者机构：
  
  1. Shenzhen Key Laboratory of Special Functional Materials College of Materials Science and Engineering and Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province College of Optoelectronic Engineering Shenzhen University
  2. Institute of Applied Physics Jiangxi Academy of Sciences
  3. Department of Industrial and Materials Science Chalmers University of Technology
  4. State Key Laboratory of Solidification Processing Northwestern Polytechnical University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2017.1408713
  中图分类号：
- 网络首发：2017-12-11，
  
  纸质出版：2018
- 稿件说明：
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Q. Hu, J. M. Wang, Y. H. Yan, 等. Anomalous thermal expansion in the deep super-cooled liquid region of a ZrCuAlAg bulk metallic glass[J]. 材料研究快报（英文）, 2018,6(2):121-129.

Q. Hu, J. M. Wang, Y. H. Yan, et al. Anomalous thermal expansion in the deep super-cooled liquid region of a ZrCuAlAg bulk metallic glass[J]. Materials Research Letters, 2018, 6(2): 121-129.
Q. Hu, J. M. Wang, Y. H. Yan, 等. Anomalous thermal expansion in the deep super-cooled liquid region of a ZrCuAlAg bulk metallic glass[J]. 材料研究快报（英文）, 2018,6(2):121-129. DOI： 10.1080/21663831.2017.1408713.

Q. Hu, J. M. Wang, Y. H. Yan, et al. Anomalous thermal expansion in the deep super-cooled liquid region of a ZrCuAlAg bulk metallic glass[J]. Materials Research Letters, 2018, 6(2): 121-129. DOI： 10.1080/21663831.2017.1408713.

摘要

Abstract

BSTRACTBulk metallic glasses (BMGs)

like other glasses

soften in the super-cooled liquid region (SCLR). Here in this work

surprisingly

a large expansion is reported occurring in the deep SCLR of a Zr

BMG. Nano-crystals (NCs) are found precipitated during the anomalous expansion of Zr

but also in the SCLR of Zr

that exhibits a conventional softening. It is found that there is a steep composition and density change at the NCs/amorphous matrix transition region in the former alloy

and this transition region exerts a thermal stress of about 0.15 MPa to the surrounding super-cooled liquid (SCL) and drives the soft SCL to expand severely.

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相关机构

Department of Materials Science and Engineering Monash University

State Key Laboratory for Powder Metallurgy School of Materials Science and Engineering Central South University

Department of Physics The University of York

State Key Lab of Mechanics and Control of Mechanical Structures & Key Lab for Intelligent Nano Materials and Devices of Ministry of Education & College of Aerospace Engineering Nanjing University of Aeronautics and Astronautics (NUAA)

Institute of Materials Science Technische Universität Darmstadt Darmstadt Germany

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