Revealing anelasticity and structural rearrangements in nanoscale metallic glass films using in situ TEM diffraction

Rohit Sarkar; Christian Ebner; Ehsan Izadi; Christian Rentenberger; Jagannathan Rajagopalan

doi:10.1080/21663831.2016.1228709

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Revealing anelasticity and structural rearrangements in nanoscale metallic glass films using in situ TEM diffraction

Original Report | 更新时间：2026-08-19

- Revealing anelasticity and structural rearrangements in nanoscale metallic glass films using in situ TEM diffraction
- Revealing anelasticity and structural rearrangements in nanoscale metallic glass films using in situ TEM diffraction
- 材料研究快报（英文） 2017年5卷第3期页码：135-143
- 作者机构：
  
  1. Department of Materials Science and Engineering School for Engineering of Matter Transport and Energy Arizona State University Tempe
  2. Physics of Nanostructured Materials Faculty of Physics University of Vienna
  3. Department of Materials Science and Engineering School for Engineering of Matter Transport and Energy Arizona State University Tempe AZ USA
  4. Department of Mechanical and Aerospace Engineering School for Engineering of Matter Transport and Energy Arizona State University Tempe
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2016.1228709
  中图分类号：
- 网络首发：2016-09-22，
  
  纸质出版：2017
- 稿件说明：
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Rohit Sarkar, Christian Ebner, Ehsan Izadi, 等. Revealing anelasticity and structural rearrangements in nanoscale metallic glass films using in situ TEM diffraction[J]. 材料研究快报（英文）, 2017,5(3):135-143.

Rohit Sarkar, Christian Ebner, Ehsan Izadi, et al. Revealing anelasticity and structural rearrangements in nanoscale metallic glass films using in situ TEM diffraction[J]. Materials Research Letters, 2017, 5(3): 135-143.
Rohit Sarkar, Christian Ebner, Ehsan Izadi, 等. Revealing anelasticity and structural rearrangements in nanoscale metallic glass films using in situ TEM diffraction[J]. 材料研究快报（英文）, 2017,5(3):135-143. DOI： 10.1080/21663831.2016.1228709.

Rohit Sarkar, Christian Ebner, Ehsan Izadi, et al. Revealing anelasticity and structural rearrangements in nanoscale metallic glass films using in situ TEM diffraction[J]. Materials Research Letters, 2017, 5(3): 135-143. DOI： 10.1080/21663831.2016.1228709.

摘要

Abstract

BSTRACTWe used a novel diffraction-based method to extract the local

atomic-level elastic strain in nanoscale amorphous TiAl films during

in situ

transmission electron microscopy deformation

while simultaneously measuring the macroscopic strain. The complementary strain measurements revealed significant anelastic deformation

which was independently confirmed by strain rate experiments. Furthermore

the distribution of first nearest-neighbor distances became narrower during loading and permanent changes were observed in the atomic structure upon unloading

even in the absence of macroscopic plasticity. The results demonstrate the capability of

in situ

electron diffraction to probe structural rearrangements and decouple elastic and anelastic deformation in metallic glasses.

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相关机构

a State Key Laboratory of Material Processing and Die & Mould Technology School of Materials Science and Engineering

d Department of Orthopaedics Union Hospital Tongji Medical College Huazhong University of Science and Technology

c Institute of Advanced Wear & Corrosion Resistant and Functional Materials Jinan University

b School of Physics and Materials Science Guangzhou University

a State Key Laboratory of Material Processing and Die & Mould Technology School of Materials Science and Engineering Huazhong University of Science and TechnologyWuhan People’s Republic of China

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