About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Metallic Fuels - Design, Fabrication, and Characterization
|
| Presentation Title |
Capturing fission products in metallic fuels using nanostructured interfaces |
| Author(s) |
James Zillinger, Arnold Pradhan, Yizhou Lu, Randall Scott, Nathan Jerred, Mukesh Bachhav, Tiankai Yao, Samrat Choudhury, Indrajit Charit |
| On-Site Speaker (Planned) |
Samrat Choudhury |
| Abstract Scope |
Nanometric hetero-interfaces provide a wealth of scientific and engineering opportunity due to their complex and often misunderstood properties that can differ from their respective bulk constituents. In this work, the ability for engineered nanostructures within a bulk U-Mo alloy to arrest simulant fission products was investigated experimentally and computationally. Nanostructured U-10Mo with 7.1 at% Nd was consolidated using spark plasma sintering (SPS) techniques and was heat-treated at 500℃ under vacuum for 24, 100, 500, and 1000 hours. Analysis on the sintered and heat-treated U-10Mo revealed rapid kinetics in Nd diffusion to nanocluster sites, with evidence of Nd diffusion occurring during sintering and during the following heat-treatment. The segregation behavior of Nd and He at two different U-Mo/UN interfaces were computationally verified using density functional theory (DFT) to reinforce experimental data. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Nuclear Materials, Composites, Computational Materials Science & Engineering |