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Title: Electron microscopy characterization of fast reactor MOX Joint Oxyde-Gaine (JOG)

Abstract

The composition and crystal structure of the Joint Oxide Gaine (JOG) is investigated by means of electron microscopy. TEM study of the JOG chemical and structural components is performed. Electron diffraction data, published for the first time in open literature, together with chemical mapping confirm the presence of Cs2MoO4, which is the major component of the JOG. The images reveal a highly heterogeneous porous structure with inclusions containing both fission products and cladding components. Major fission products detected, other than Cs and Mo, are Te, I, Zr and Ba. Fe is found in metallic Pd-rich precipitates with structure compatible with the tetragonal structure of FePd alloy. Cr is found in different locations of the lamellae, in oxide form, but no structural data could be obtained due to local beam sensitization of the sample in those areas.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1];  [1]; ORCiD logo [1];  [1]
  1. Idaho National Lab. (INL), Idaho Falls, ID (United States)
Publication Date:
Research Org.:
Idaho National Lab. (INL), Idaho Falls, ID (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
1631145
Alternate Identifier(s):
OSTI ID: 1597527
Report Number(s):
INL/JOU-19-54814-Rev002
Journal ID: ISSN 0022-3115
Grant/Contract Number:  
AC07-05ID14517; AC07-051D14517; 18-1538
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Nuclear Materials
Additional Journal Information:
Journal Volume: 531; Journal Issue: C; Journal ID: ISSN 0022-3115
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
11 - NUCLEAR FUEL CYCLE AND FUEL MATERIALS; PIE; annular MOX; TEM; JOG

Citation Formats

Cappia, Fabiola, Miller, Brandon D., Aguiar, Jeffery A., He, Lingfeng, Murray, Daniel J., Frickey, Brian J., Stanek, John D., and Harp, Jason. Electron microscopy characterization of fast reactor MOX Joint Oxyde-Gaine (JOG). United States: N. p., 2020. Web. doi:10.1016/j.jnucmat.2019.151964.
Cappia, Fabiola, Miller, Brandon D., Aguiar, Jeffery A., He, Lingfeng, Murray, Daniel J., Frickey, Brian J., Stanek, John D., & Harp, Jason. Electron microscopy characterization of fast reactor MOX Joint Oxyde-Gaine (JOG). United States. doi:10.1016/j.jnucmat.2019.151964.
Cappia, Fabiola, Miller, Brandon D., Aguiar, Jeffery A., He, Lingfeng, Murray, Daniel J., Frickey, Brian J., Stanek, John D., and Harp, Jason. Fri . "Electron microscopy characterization of fast reactor MOX Joint Oxyde-Gaine (JOG)". United States. doi:10.1016/j.jnucmat.2019.151964.
@article{osti_1631145,
title = {Electron microscopy characterization of fast reactor MOX Joint Oxyde-Gaine (JOG)},
author = {Cappia, Fabiola and Miller, Brandon D. and Aguiar, Jeffery A. and He, Lingfeng and Murray, Daniel J. and Frickey, Brian J. and Stanek, John D. and Harp, Jason},
abstractNote = {The composition and crystal structure of the Joint Oxide Gaine (JOG) is investigated by means of electron microscopy. TEM study of the JOG chemical and structural components is performed. Electron diffraction data, published for the first time in open literature, together with chemical mapping confirm the presence of Cs2MoO4, which is the major component of the JOG. The images reveal a highly heterogeneous porous structure with inclusions containing both fission products and cladding components. Major fission products detected, other than Cs and Mo, are Te, I, Zr and Ba. Fe is found in metallic Pd-rich precipitates with structure compatible with the tetragonal structure of FePd alloy. Cr is found in different locations of the lamellae, in oxide form, but no structural data could be obtained due to local beam sensitization of the sample in those areas.},
doi = {10.1016/j.jnucmat.2019.151964},
journal = {Journal of Nuclear Materials},
number = C,
volume = 531,
place = {United States},
year = {2020},
month = {1}
}

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This content will become publicly available on January 10, 2021
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