In situ synchrotron investigation of grain growth behavior of nano-grained UO2
Abstract
Here, we report on the study of grain growth kinetics in nano-grained UO2 samples. Dense nano-grained UO2 samples with well-controlled stoichiometry and grain size were fabricated using the spark plasma sintering technique. To determine the grain growth kinetics at elevated temperatures, a synchrotron wide-angle X-ray scattering (WAXS) study was performed in situ to measure the real-time grain size evolution based on the modified Williamson-Hall analysis. The unique grain growth kinetics of nanocrystalline UO2 at 730 °C and 820 °C were observed and explained by the difference in mobility of various grain boundaries.
- Authors:
-
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Rensselaer Polytechnic Inst., Troy, NY (United States)
- Northwestern Univ., Evanston, IL (United States)
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Nuclear Energy (NE)
- OSTI Identifier:
- 1374576
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Scripta Materialia
- Additional Journal Information:
- Journal Volume: 131; Journal Issue: C; Journal ID: ISSN 1359-6462
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; nanocrystalline materials; X-ray diffraction; grain growth; synchrotron radiation; uranium dioxide
Citation Formats
Miao, Yinbin, Yao, Tiankai, Lian, Jie, Park, Jun-Sang, Almer, Jonathan, Bhattacharya, Sumit, Yacout, Abdellatif M., and Mo, Kun. In situ synchrotron investigation of grain growth behavior of nano-grained UO2. United States: N. p., 2017.
Web. doi:10.1016/j.scriptamat.2016.12.025.
Miao, Yinbin, Yao, Tiankai, Lian, Jie, Park, Jun-Sang, Almer, Jonathan, Bhattacharya, Sumit, Yacout, Abdellatif M., & Mo, Kun. In situ synchrotron investigation of grain growth behavior of nano-grained UO2. United States. https://doi.org/10.1016/j.scriptamat.2016.12.025
Miao, Yinbin, Yao, Tiankai, Lian, Jie, Park, Jun-Sang, Almer, Jonathan, Bhattacharya, Sumit, Yacout, Abdellatif M., and Mo, Kun. Mon .
"In situ synchrotron investigation of grain growth behavior of nano-grained UO2". United States. https://doi.org/10.1016/j.scriptamat.2016.12.025. https://www.osti.gov/servlets/purl/1374576.
@article{osti_1374576,
title = {In situ synchrotron investigation of grain growth behavior of nano-grained UO2},
author = {Miao, Yinbin and Yao, Tiankai and Lian, Jie and Park, Jun-Sang and Almer, Jonathan and Bhattacharya, Sumit and Yacout, Abdellatif M. and Mo, Kun},
abstractNote = {Here, we report on the study of grain growth kinetics in nano-grained UO2 samples. Dense nano-grained UO2 samples with well-controlled stoichiometry and grain size were fabricated using the spark plasma sintering technique. To determine the grain growth kinetics at elevated temperatures, a synchrotron wide-angle X-ray scattering (WAXS) study was performed in situ to measure the real-time grain size evolution based on the modified Williamson-Hall analysis. The unique grain growth kinetics of nanocrystalline UO2 at 730 °C and 820 °C were observed and explained by the difference in mobility of various grain boundaries.},
doi = {10.1016/j.scriptamat.2016.12.025},
journal = {Scripta Materialia},
number = C,
volume = 131,
place = {United States},
year = {Mon Jan 09 00:00:00 EST 2017},
month = {Mon Jan 09 00:00:00 EST 2017}
}
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Works referencing / citing this record:
Kinetic study on the grain growth of PuO 2 nanocrystals
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