Correlating nanoscale secondary ion mass spectrometry and atom probe tomography analysis of uranium enrichment in metallic nuclear fuel
Abstract
Accurate measurements of 235U enrichment within metallic nuclear fuels are essential for understanding material performance in a neutron irradiation environment, and the origin of secondary phases (e.g. uranium carbides). In this work, we analyse 235U enrichment in matrix and carbide phases in low enriched uranium alloyed with 10 wt% Mo via two chemical imaging modalities—nanoscale secondary ion mass spectrometry (NanoSIMS) and atom probe tomography (APT). Additionally, results from NanoSIMS and APT are compared to understand accuracy and utility of both approaches across length scales. NanoSIMS and APT provide consistent results, with no statistically significant difference between nominal enrichment (19.95 ± 0.14 at% 235U) and that measured for metal matrix and carbide inclusions.
- Authors:
-
[1];
[2];
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1763474
- Alternate Identifier(s):
- OSTI ID: 1708915
- Grant/Contract Number:
- AC05-00OR22725; AC05-76RL01830
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Analyst
- Additional Journal Information:
- Journal Volume: 146; Journal Issue: 1; Journal ID: ISSN 0003-2654
- Publisher:
- Royal Society of Chemistry
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
Citation Formats
Kautz, Elizabeth, Cliff, John, Lach, Timothy, Reilly, Dallas, and Devaraj, Arun. Correlating nanoscale secondary ion mass spectrometry and atom probe tomography analysis of uranium enrichment in metallic nuclear fuel. United States: N. p., 2020.
Web. doi:10.1039/d0an01831g.
Kautz, Elizabeth, Cliff, John, Lach, Timothy, Reilly, Dallas, & Devaraj, Arun. Correlating nanoscale secondary ion mass spectrometry and atom probe tomography analysis of uranium enrichment in metallic nuclear fuel. United States. https://doi.org/10.1039/d0an01831g
Kautz, Elizabeth, Cliff, John, Lach, Timothy, Reilly, Dallas, and Devaraj, Arun. Mon .
"Correlating nanoscale secondary ion mass spectrometry and atom probe tomography analysis of uranium enrichment in metallic nuclear fuel". United States. https://doi.org/10.1039/d0an01831g. https://www.osti.gov/servlets/purl/1763474.
@article{osti_1763474,
title = {Correlating nanoscale secondary ion mass spectrometry and atom probe tomography analysis of uranium enrichment in metallic nuclear fuel},
author = {Kautz, Elizabeth and Cliff, John and Lach, Timothy and Reilly, Dallas and Devaraj, Arun},
abstractNote = {Accurate measurements of 235U enrichment within metallic nuclear fuels are essential for understanding material performance in a neutron irradiation environment, and the origin of secondary phases (e.g. uranium carbides). In this work, we analyse 235U enrichment in matrix and carbide phases in low enriched uranium alloyed with 10 wt% Mo via two chemical imaging modalities—nanoscale secondary ion mass spectrometry (NanoSIMS) and atom probe tomography (APT). Additionally, results from NanoSIMS and APT are compared to understand accuracy and utility of both approaches across length scales. NanoSIMS and APT provide consistent results, with no statistically significant difference between nominal enrichment (19.95 ± 0.14 at% 235U) and that measured for metal matrix and carbide inclusions.},
doi = {10.1039/d0an01831g},
journal = {Analyst},
number = 1,
volume = 146,
place = {United States},
year = {Mon Nov 02 00:00:00 EST 2020},
month = {Mon Nov 02 00:00:00 EST 2020}
}
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