Recrystallization and Grain Growth Simulations for Multiple-Pass Rolling and Annealing of U-10Mo
Abstract
A simulation model of recrystallization and grain growth has been developed to investigate grain structure evolution during deformation and heat treatment in polycrystalline U-10wt% Mo (U-10Mo) fuel. Experimentally obtained U-10Mo microstructures were used as input for closed loop simulations of multiple rolling, intermediate heating and final annealing process. FEM calculations of deformation and Potts Model simulations of recrystallization and grain growth were used to iteratively inform each subsequent stage of simulation. Furthermore, the model was then applied to predict the grain structure evolution during multiple-pass hot rolling of U-10Mo, and benchmarked against experimentally observed U-10Mo recrystallization behavior. The results showed that our model was able to capture the coupling between deformation and recrystallization as a function of microstructure, including particle stimulated nucleation and recrystallization nucleation on grain boundaries. Additionally, we have achieved reasonable quantitative agreement with U-10Mo recrystallization and grain growth behavior.
- Authors:
-
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
- Publication Date:
- Research Org.:
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1808562
- Report Number(s):
- PNNL-SA-146694
Journal ID: ISSN 1073-5623
- Grant/Contract Number:
- AC05-76RL01830
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science
- Additional Journal Information:
- Journal Volume: 51; Journal Issue: 2; Journal ID: ISSN 1073-5623
- Publisher:
- ASM International
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; Recrystallization; Grain growth; IMCE
Citation Formats
Frazier, William E., Wang, Chao, Xu, Zhijie, Overman, Nicole R., Hu, Shenyang, and Joshi, Vineet V. Recrystallization and Grain Growth Simulations for Multiple-Pass Rolling and Annealing of U-10Mo. United States: N. p., 2019.
Web. doi:10.1007/s11661-019-05582-6.
Frazier, William E., Wang, Chao, Xu, Zhijie, Overman, Nicole R., Hu, Shenyang, & Joshi, Vineet V. Recrystallization and Grain Growth Simulations for Multiple-Pass Rolling and Annealing of U-10Mo. United States. https://doi.org/10.1007/s11661-019-05582-6
Frazier, William E., Wang, Chao, Xu, Zhijie, Overman, Nicole R., Hu, Shenyang, and Joshi, Vineet V. Fri .
"Recrystallization and Grain Growth Simulations for Multiple-Pass Rolling and Annealing of U-10Mo". United States. https://doi.org/10.1007/s11661-019-05582-6. https://www.osti.gov/servlets/purl/1808562.
@article{osti_1808562,
title = {Recrystallization and Grain Growth Simulations for Multiple-Pass Rolling and Annealing of U-10Mo},
author = {Frazier, William E. and Wang, Chao and Xu, Zhijie and Overman, Nicole R. and Hu, Shenyang and Joshi, Vineet V.},
abstractNote = {A simulation model of recrystallization and grain growth has been developed to investigate grain structure evolution during deformation and heat treatment in polycrystalline U-10wt% Mo (U-10Mo) fuel. Experimentally obtained U-10Mo microstructures were used as input for closed loop simulations of multiple rolling, intermediate heating and final annealing process. FEM calculations of deformation and Potts Model simulations of recrystallization and grain growth were used to iteratively inform each subsequent stage of simulation. Furthermore, the model was then applied to predict the grain structure evolution during multiple-pass hot rolling of U-10Mo, and benchmarked against experimentally observed U-10Mo recrystallization behavior. The results showed that our model was able to capture the coupling between deformation and recrystallization as a function of microstructure, including particle stimulated nucleation and recrystallization nucleation on grain boundaries. Additionally, we have achieved reasonable quantitative agreement with U-10Mo recrystallization and grain growth behavior.},
doi = {10.1007/s11661-019-05582-6},
journal = {Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science},
number = 2,
volume = 51,
place = {United States},
year = {Fri Dec 06 00:00:00 EST 2019},
month = {Fri Dec 06 00:00:00 EST 2019}
}
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