Making glassy solids ductile at room temperature by imparting flexibility into their amorphous structure

Zhao Fan; Jun Ding; Evan Ma

doi:10.1080/21663831.2018.1503198

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Making glassy solids ductile at room temperature by imparting flexibility into their amorphous structure

Perspective | 更新时间：2026-08-19

- Making glassy solids ductile at room temperature by imparting flexibility into their amorphous structure
- Making glassy solids ductile at room temperature by imparting flexibility into their amorphous structure
- 材料研究快报（英文） 2018年6卷第10期页码：570-583
- 作者机构：
  
  1. Department of Materials Science and Engineering Johns Hopkins University Baltimore
  2. Materials Sciences Division Lawrence Berkeley National Laboratory Berkeley,94720
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2018.1503198
  中图分类号：
- 网络首发：2018-08-08，
  
  纸质出版：2018
- 稿件说明：
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Zhao Fan, Jun Ding, Evan Ma. Making glassy solids ductile at room temperature by imparting flexibility into their amorphous structure[J]. 材料研究快报（英文）, 2018,6(10):570-583.

Zhao Fan, Jun Ding, Evan Ma. Making glassy solids ductile at room temperature by imparting flexibility into their amorphous structure[J]. Materials Research Letters, 2018, 6(10): 570-583.
Zhao Fan, Jun Ding, Evan Ma. Making glassy solids ductile at room temperature by imparting flexibility into their amorphous structure[J]. 材料研究快报（英文）, 2018,6(10):570-583. DOI： 10.1080/21663831.2018.1503198.

Zhao Fan, Jun Ding, Evan Ma. Making glassy solids ductile at room temperature by imparting flexibility into their amorphous structure[J]. Materials Research Letters, 2018, 6(10): 570-583. DOI： 10.1080/21663831.2018.1503198.

摘要

Abstract

BSTRACTMaking glasses ductile at room temperature is a daunting challenge

but has been shown to be feasible in recent years. We explain the plastic flow from the standpoint of the flexibility available in the amorphous structure: imparting flexibility into the structure facilitates bond switching needed to mediate shear transformations to carry strain. This structure–property correlation is demonstrated using molecular dynamics simulation data. The flexibility can be improved via ultrafast quench or rejuvenation. In particular

the flexibility volume parameter offers a quantitative metric to explain the flexibility and deformability

even for glasses where the commonly cited free volume is not applicable.

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相关机构

e Materials Research Institute The Pennsylvania State University University Park

d Department of Nuclear Engineering The Pennsylvania State University University Park PA USA

b Department of Engineering Science and Mechanics The Pennsylvania State University University Park PA USA

d Department of Nuclear Engineering The Pennsylvania State University University Park

c Department of Mechanical Engineering University of Michigan Ann Arbor

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