Microstructural evolution of uranium dioxide following compression creep tests: An EBSD and image analysis study
Overview & Synopsis
Sintered UO2 pellets with relatively large grains (similar to 25 pm) are tested at 1500 degrees C under a compressive stress of 50 MPa, at different deformation levels up to 12%. Electron Back Scattered Diffraction (EBSD) is used to follow the evolution, with deformation, of grains (size, shape, orientation) and sub-grains. Image analyses of SEM images are performed to characterize emergence of a population of micron size voids. For the considered microstructure and test conditions, the results show that the deformation process of UO2 globally corresponds to grain boundary sliding, partly accommodated by a dislocational creep within the grains, leading to a highly sub-structured state.
Indexed from repository: HAL Open Science
(
hal.science)
Keyboard Shortcuts:
← / → for pages • + / - for zoom • 0 to fit width
Powered by Mozilla PDF.js v3.11
Document Information
| Document Title | Microstructural evolution of uranium dioxide following compression creep tests: An EBSD and image analysis study |
|---|---|
| Author / Organization | X. Iltis, Nathalie Gey, C. Cagna, Alain Hazotte, Philippe Sornay |
| Subject & Discipline | Multidisciplinary Academic Open Research |
| Categories | Science & Mathematics |
| Publication Year | 2015 |
| License / Rights | Open Access / Creative Commons |
| Resource Verification | Listed PDF (Verification Pending) |
| Original Host Website |
HAL Open Science
(hal.science)
|
| File Format | application/pdf (Portable Document Format) |
| Language | EN |
| Catalog ID | DOC-161744 |
| Original Source Link | Visit Source Page on hal.science » |