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Title: Irradiation-induced creep in metallic nanolaminates characterized by In situ TEM pillar nanocompression

Our work reports on irradiation-induced creep (IIC) measured on nanolaminate (Cu-W and Ni-Ag) and nanocrystalline alloys (Cu-W) at room temperature using a combination of heavy ion irradiation and nanopillar compression performed concurrently in situ in a transmission electron microscope. Furthermore, we observed appreciable IIC in multilayers with 50 nm layer thicknesses at high stress, ≈½ the yield strength, but not in multilayers with only 5 nm layer thicknesses.
Authors:
ORCiD logo [1] ;  [2] ;  [1] ;  [1] ;  [1] ;  [2] ;  [1]
  1. Univ. of Illinois, Urbana-Champaign, IL (United States)
  2. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Publication Date:
Report Number(s):
SAND2017-4547J
Journal ID: ISSN 0022-3115; PII: S0022311516313150
Grant/Contract Number:
AC04-94AL85000; FG02-05Er46217
Type:
Accepted Manuscript
Journal Name:
Journal of Nuclear Materials
Additional Journal Information:
Journal Volume: 490; Journal Issue: C; Journal ID: ISSN 0022-3115
Publisher:
Elsevier
Research Org:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE
OSTI Identifier:
1361044
Alternate Identifier(s):
OSTI ID: 1419348

Dillon, Shen J., Bufford, Daniel C., Jawaharram, Gowtham S., Liu, Xuying, Lear, Calvin, Hattar, Khalid, and Averback, Robert S.. Irradiation-induced creep in metallic nanolaminates characterized by In situ TEM pillar nanocompression. United States: N. p., Web. doi:10.1016/j.jnucmat.2017.04.008.
Dillon, Shen J., Bufford, Daniel C., Jawaharram, Gowtham S., Liu, Xuying, Lear, Calvin, Hattar, Khalid, & Averback, Robert S.. Irradiation-induced creep in metallic nanolaminates characterized by In situ TEM pillar nanocompression. United States. doi:10.1016/j.jnucmat.2017.04.008.
Dillon, Shen J., Bufford, Daniel C., Jawaharram, Gowtham S., Liu, Xuying, Lear, Calvin, Hattar, Khalid, and Averback, Robert S.. 2017. "Irradiation-induced creep in metallic nanolaminates characterized by In situ TEM pillar nanocompression". United States. doi:10.1016/j.jnucmat.2017.04.008. https://www.osti.gov/servlets/purl/1361044.
@article{osti_1361044,
title = {Irradiation-induced creep in metallic nanolaminates characterized by In situ TEM pillar nanocompression},
author = {Dillon, Shen J. and Bufford, Daniel C. and Jawaharram, Gowtham S. and Liu, Xuying and Lear, Calvin and Hattar, Khalid and Averback, Robert S.},
abstractNote = {Our work reports on irradiation-induced creep (IIC) measured on nanolaminate (Cu-W and Ni-Ag) and nanocrystalline alloys (Cu-W) at room temperature using a combination of heavy ion irradiation and nanopillar compression performed concurrently in situ in a transmission electron microscope. Furthermore, we observed appreciable IIC in multilayers with 50 nm layer thicknesses at high stress, ≈½ the yield strength, but not in multilayers with only 5 nm layer thicknesses.},
doi = {10.1016/j.jnucmat.2017.04.008},
journal = {Journal of Nuclear Materials},
number = C,
volume = 490,
place = {United States},
year = {2017},
month = {4}
}