| Issue |
EPJ Web Conf.
Volume 302, 2024
Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo (SNA + MC 2024)
|
|
|---|---|---|
| Article Number | 06001 | |
| Number of page(s) | 8 | |
| Section | Materials Under Irradiation & Thermics | |
| DOI | https://doi.org/10.1051/epjconf/202430206001 | |
| Published online | 15 October 2024 | |
https://doi.org/10.1051/epjconf/202430206001
Thermal behavior analysis of monolayer and bulk UAI3 at room temperature
1 KAERI, Multi-purpose Small Reactor Fuel Development Division, 34022 Daejeon, Republic of Korea
2 KAERI, Advanced Fuel Cycle Technology Division, 34022 Daejeon, Republic of Korea
* Corresponding author: euihyun@kaeri.re.kr
Published online: 15 October 2024
UAl3 has been widely used as a target material for the production of 99Mo. To safely produce radioactive isotopes from UAl3, it is crucial to understand and predict the thermal behavior of UAl3. Directly measuring the thermal properties of UAl3 due to the radiation generated in nuclear fuel material is challenging. As an alternative, using the molecular dynamics (MD) simulator LAMMPS, the thermal conductivities of monolayer and bulk UAl3 are predicted. In this study, it is primarily observed that the absence of the third-order anharmonic constant along the z-axis contributes to a higher thermal conductivity of monolayer UAl3 compared to bulk UAl3. Furthermore, the calculated thermal conductivity of bulk UAl3 falls within the range of the measured values in the literature.
© The Authors, published by EDP Sciences, 2024
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