Prediction of Spontaneous Plastic Deformation of Irradiated Metallic Glasses due to Thermal Spike-Induced Plasticity

Richard E. Baumer; Michael J. Demkowicz

doi:10.1080/21663831.2014.916760

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Prediction of Spontaneous Plastic Deformation of Irradiated Metallic Glasses due to Thermal Spike-Induced Plasticity

Original Reports | 更新时间：2026-08-19

- Prediction of Spontaneous Plastic Deformation of Irradiated Metallic Glasses due to Thermal Spike-Induced Plasticity
- Prediction of Spontaneous Plastic Deformation of Irradiated Metallic Glasses due to Thermal Spike-Induced Plasticity
- 材料研究快报（英文） 2014年2卷第4期页码：221-226
- 作者机构：
  
  1. Research and Development The Dow Chemical Company Building 1776 Midland 74 USA,MI486
  2. Department of Materials Science and Engineering Massachusetts Institute of Technology Cambridge
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2014.916760
  中图分类号：
- 网络首发：2014-05-14，
  
  纸质出版：2014
- 稿件说明：
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Richard E. Baumer, Michael J. Demkowicz. Prediction of Spontaneous Plastic Deformation of Irradiated Metallic Glasses due to Thermal Spike-Induced Plasticity[J]. 材料研究快报（英文）, 2014,2(4):221-226.

Richard E. Baumer, Michael J. Demkowicz. Prediction of Spontaneous Plastic Deformation of Irradiated Metallic Glasses due to Thermal Spike-Induced Plasticity[J]. Materials Research Letters, 2014, 2(4): 221-226.
Richard E. Baumer, Michael J. Demkowicz. Prediction of Spontaneous Plastic Deformation of Irradiated Metallic Glasses due to Thermal Spike-Induced Plasticity[J]. 材料研究快报（英文）, 2014,2(4):221-226. DOI： 10.1080/21663831.2014.916760.

Richard E. Baumer, Michael J. Demkowicz. Prediction of Spontaneous Plastic Deformation of Irradiated Metallic Glasses due to Thermal Spike-Induced Plasticity[J]. Materials Research Letters, 2014, 2(4): 221-226. DOI： 10.1080/21663831.2014.916760.

摘要

Abstract

Using large-scale molecular dynamics simulations

we predict that knock-on damage in irradiated metallic glasses yields spontaneous anisotropic deformation

i.e. shape change in the absence of externally applied loads. The root cause of this behavior is anisotropic plastic deformation around non-spherical thermal spikes. Such thermal spike-induced plasticity (TSIP) does not depend on electronic excitations and is distinct from the ‘ion hammer’ effect. Macroscale TSIP is predicted to occur under unidirectional heavy ion and neutron irradiation. The consequences of TSIP for potential applications of metallic glasses under irradiation are discussed.

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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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