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Title: High temperature irradiation induced creep in Ag nanopillars measured via in situ transmission electron microscopy

Abstract

Irradiation induced creep (IIC) rates are measured in compression on Ag nanopillar (square) beams in the sink-limited regime. The IIC rate increases linearly with stress at lower stresses, i.e. below ≈2/3 the high temperature yield stress and parabolically with pillar width, L, for L less than ≈300 nm. Here, the data are obtained by combining in situ transmission electron imaging with simultaneous ion irradiation, laser heating, and nanopillar compression. Results in the larger width regime are consistent with prior literature.

Authors:
 [1];  [2];  [2];  [2];  [1];  [1]
  1. Univ. of Illinois, Urbana-Champaign, IL (United States). Dept. of Materials Science and Engineering
  2. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1426801
Alternate Identifier(s):
OSTI ID: 1548841
Report Number(s):
SAND-2018-1672J
Journal ID: ISSN 1359-6462; 660698
Grant/Contract Number:  
AC04-94AL85000; DEFG02-05ER46217; FWP 15013170; NA-0003525
Resource Type:
Accepted Manuscript
Journal Name:
Scripta Materialia
Additional Journal Information:
Journal Volume: 148; Journal Issue: C; Journal ID: ISSN 1359-6462
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 77 NANOSCIENCE AND NANOTECHNOLOGY; Irradiation induced creep; Silver films; In situ transmission electron microscopy (TEM); Defects

Citation Formats

Jawaharram, Gowtham Sriram, Price, Patrick M., Barr, Christopher M., Hattar, Khalid, Averback, Robert S., and Dillon, Shen J. High temperature irradiation induced creep in Ag nanopillars measured via in situ transmission electron microscopy. United States: N. p., 2018. Web. https://doi.org/10.1016/j.scriptamat.2018.01.007.
Jawaharram, Gowtham Sriram, Price, Patrick M., Barr, Christopher M., Hattar, Khalid, Averback, Robert S., & Dillon, Shen J. High temperature irradiation induced creep in Ag nanopillars measured via in situ transmission electron microscopy. United States. https://doi.org/10.1016/j.scriptamat.2018.01.007
Jawaharram, Gowtham Sriram, Price, Patrick M., Barr, Christopher M., Hattar, Khalid, Averback, Robert S., and Dillon, Shen J. Tue . "High temperature irradiation induced creep in Ag nanopillars measured via in situ transmission electron microscopy". United States. https://doi.org/10.1016/j.scriptamat.2018.01.007. https://www.osti.gov/servlets/purl/1426801.
@article{osti_1426801,
title = {High temperature irradiation induced creep in Ag nanopillars measured via in situ transmission electron microscopy},
author = {Jawaharram, Gowtham Sriram and Price, Patrick M. and Barr, Christopher M. and Hattar, Khalid and Averback, Robert S. and Dillon, Shen J.},
abstractNote = {Irradiation induced creep (IIC) rates are measured in compression on Ag nanopillar (square) beams in the sink-limited regime. The IIC rate increases linearly with stress at lower stresses, i.e. below ≈2/3 the high temperature yield stress and parabolically with pillar width, L, for L less than ≈300 nm. Here, the data are obtained by combining in situ transmission electron imaging with simultaneous ion irradiation, laser heating, and nanopillar compression. Results in the larger width regime are consistent with prior literature.},
doi = {10.1016/j.scriptamat.2018.01.007},
journal = {Scripta Materialia},
number = C,
volume = 148,
place = {United States},
year = {2018},
month = {1}
}

Journal Article:

Citation Metrics:
Cited by: 7 works
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Figures / Tables:

Figure 1 Figure 1: Compressive engineering stress-strain curves for Ag nanopillars under various irradiation and thermal conditions. (a) As-deposited pillar, (b) H.T. prior to irradiation, (c) H.T. post irradiation up to 32 dpa and (d) H.T. irradiation in sample pre-irradiated to 28 dpa. The approximate pillar temperatures from Comsol simulations are included.

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    Works referencing / citing this record:

    Application of In Situ TEM to Investigate Irradiation Creep in Nanocrystalline Zirconium
    journal, August 2019


    Listening to Radiation Damage In Situ: Passive and Active Acoustic Techniques
    journal, November 2019


    Understanding plasticity in irradiated alloys through TEM in situ compression pillar tests
    journal, October 2019

    • Qu, Haozheng J.; Yano, Kayla H.; Patki, Priyam V.
    • Journal of Materials Research, Vol. 35, Issue 8
    • DOI: 10.1557/jmr.2019.295

      Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.