X-ray fluorescence microtomography on a SiC nuclear fuel shell.
Conference
·
OSTI ID:917623
TRISO fuel particles, used in high-temperature gas-cooled reactors (HTGR) are composite structures with a nuclear fuel kernel surrounded by alternating layers designed to contain fission products and compensate for radiation damage. As shown in Figure 1, a typical fuel particle contains an inner kernel of nuclear fuel, a low-density buffer layer of pyrocarbon, a dense layer of pyrocarbon coating, an interlayer of SiC, and a dense outer layer of pyrocarbon. The fuel kernel size, the thickness of the various layers, and the overall size of the TRISO fuel particle can vary with the type of fuel kernel. The SiC layer provides the primary barrier for both radioactive elements in the kernel and gaseous and metallic fission products.
- Research Organization:
- Argonne National Laboratory (ANL)
- Sponsoring Organization:
- SC
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 917623
- Report Number(s):
- ANL/XFD/CP-98689
- Country of Publication:
- United States
- Language:
- ENGLISH
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