| About this Abstract |
| Meeting |
2023 TMS Annual Meeting & Exhibition
|
| Symposium
|
Seaborg Institutes: Emerging Topics in Actinide Materials and Science
|
| Presentation Title |
High Energy X-Ray Characterization of Microstructure at Macroscopic Depths in Pu Alloys |
| Author(s) |
Dale Travis Carver, Donald W. Brown, Taylor Jacobs, Alice Smith, Peter Kenesei, Jun-Sang Park |
| On-Site Speaker (Planned) |
Dale Travis Carver |
| Abstract Scope |
Plutonium is often alloyed with tri-valent elements, such as Aluminum or Gallium, to stabilize the more ductile -phase at room temperature. As Pu alloys accumulate defects with time naturally through fission events, the phase transformation behavior, as well as mechanical properties) of Pu alloys evolves with age. The advent of 3rd generation synchrotron X-ray sources with beamlines optimized for high energy (70-130 keV) X-rays is a game changer for the study of the phase transformations of Pu and its alloys. We will show first of their kind bulk transmission x-ray micro-tomography (CT) and high energy X-ray (HEXRD) diffraction measurements on four Pu alloy samples with thickness of order 0.5 mm. The four samples had 2 distinct alloy contents and different histories (age and deformation). Measurements at ambient conditions provide texture, dislocation density, and phase information prior to in-situ measurements collected during cooling to 10K and back to room temperature. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Nuclear Materials, |