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Title: In situ transmission electron microscopy He+ implantation and thermal aging of nanocrystalline iron

Due to their high density of interfaces, nanostructured material are hypothesized to show a higher tolerance to radiation damage compared to conventional coarse-grained materials and are on interest for use in future nuclear reactors. In order to investigate the roles of vacancies, self-interstitials, and helium during defect accumulation, and the thermal evolution of such defects, a complex set of in situ TEM experiments were performed in nanocrystalline iron.
Authors:
 [1] ; ORCiD logo [2] ;  [3] ;  [4] ;  [5] ;  [3] ;  [6] ;  [6]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Northwestern Univ., Evanston, IL (United States)
  2. Northwestern Univ., Evanston, IL (United States)
  3. Drexel Univ., Philadelphia, PA (United States)
  4. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Georgia Inst. of Technology, Atlanta, GA (United States)
  5. Northwestern Univ., Evanston, IL (United States); Tufts Univ., Medford, MA (United States)
  6. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Publication Date:
Report Number(s):
SAND-2016-3477J
Journal ID: ISSN 0022-3115; PII: S0022311516308595
Grant/Contract Number:
AC04-94AL85000; NE0000678; SC0008274
Type:
Accepted Manuscript
Journal Name:
Journal of Nuclear Materials
Additional Journal Information:
Journal Volume: 482; Journal ID: ISSN 0022-3115
Publisher:
Elsevier
Research Org:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org:
USDOE Office of Nuclear Energy (NE); USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Nanocrystalline iron; In situ TEM; Helium implantation; Annealing
OSTI Identifier:
1269903
Alternate Identifier(s):
OSTI ID: 1396824