Evidence of a temperature transition for denuded zone formation in nanocrystalline Fe under He irradiation

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Evidence of a temperature transition for denuded zone formation in nanocrystalline Fe under He irradiation

Original Report | 更新时间：2026-08-19

- Evidence of a temperature transition for denuded zone formation in nanocrystalline Fe under He irradiation
- Evidence of a temperature transition for denuded zone formation in nanocrystalline Fe under He irradiation
- 材料研究快报（英文） 2017年5卷第3期页码：195-200
- 作者机构：
  
  1. Department of Materials Science & Engineering Drexel University
  2. Center for Integrated Nanotechnologies Los Alamos National Laboratory Los Alamos
  3. Department of Radiation Solid Interactions Sandia National Laboratories Albuquerque
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2016.1243591
  中图分类号：
- 网络首发：2016-10-18，
  
  纸质出版：2017
- 稿件说明：
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O. El-Atwani, J. E. Nathaniel II, A. C. Leff, 等. Evidence of a temperature transition for denuded zone formation in nanocrystalline Fe under He irradiation[J]. 材料研究快报（英文）, 2017,5(3):195-200.

O. El-Atwani, J. E. Nathaniel II, A. C. Leff, et al. Evidence of a temperature transition for denuded zone formation in nanocrystalline Fe under He irradiation[J]. Materials Research Letters, 2017, 5(3): 195-200.
O. El-Atwani, J. E. Nathaniel II, A. C. Leff, 等. Evidence of a temperature transition for denuded zone formation in nanocrystalline Fe under He irradiation[J]. 材料研究快报（英文）, 2017,5(3):195-200. DOI： 10.1080/21663831.2016.1243591.

O. El-Atwani, J. E. Nathaniel II, A. C. Leff, et al. Evidence of a temperature transition for denuded zone formation in nanocrystalline Fe under He irradiation[J]. Materials Research Letters, 2017, 5(3): 195-200. DOI： 10.1080/21663831.2016.1243591.

摘要

Abstract

BSTRACTNanocrystalline materials are radiation-tolerant materials’ candidates due to their high defect sink density. Here

nanocrystalline iron films were irradiated with 10 keV helium ions

in situ

in a transmission electron microscope at elevated temperatures. Grain-size-dependent bubble density changes and denuded zone occurrence were observed at 700 K

but not at 573 K. This transition

attributed to increased helium–vacancy migration at elevated temperatures

suggests that nanocrystalline microstructures are more resistant to swelling at 700 K due to decreased bubble density. Finally

denuded zone formation had no correlation with grain size and misorientation angle under the conditions studied.

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相关作者

S. A. Maloy

J. P. Allain

G. Greaves

J. A. Hinks

O. El-Atwani

Eiji Akiyama

Saya Ajito

Rama Srinivas Varanasi

相关机构

Materials Science and Technology Division Los Alamos National Laboratory Los Alamos

Department of Nuclear Plasma and Radiological Engineering University of Illinois at Urbana-Champaign Urbana

School of Computing and Engineering University of Huddersfield

Department of Materials Science and Engineering Drexel University Philadelphia

Institute for Materials Research Tohoku University

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