Irradiation Performance of Coated Fuel Particles with Fission Product Retaining Kernel Additives

1982 ◽  
Vol 56 (1) ◽  
pp. 81-92 ◽  
Author(s):  
R. Förthmann
Keyword(s):  
Fission Product ◽  
Fuel Particles ◽  
Irradiation Performance

scholarly journals Irradiation performance of pyrolytic silicon carbide coatings on fissile fuel particles

1984 ◽  
Vol 42 ◽  
pp. 418-419
Author(s):  
R. J. Lauf
Keyword(s):  
Silicon Carbide ◽  
Fission Product ◽  
Fission Products ◽  
Carbide Coatings ◽  
Fuel Particles ◽  
Irradiation Performance ◽  
Sic Coatings ◽  
Irradiation Behavior ◽  
Kinetics Of

Fuel particles for the High Temperature Gas-Cooled Reactor (HTGR) contain a layer of pyrolytic silicon carbide to act as a miniature pressure vessel and primary fission product barrier. Optimization of the SiC coating with respect to fuel performance involves four areas of study: (a) characterization of as-deposited SiC coatings; (b) thermodynamics and kinetics of chemical reactions between SiC and fission products; (c) irradiation behavior of SiC in the absence of fission products; and (d) the combined effects of irradiation and fission product interactions. This paper reports the behavior of SiC deposited on fissile fuel particles and irradiated to fast neutron fluences typical of HTGR fuel at end-of-life.

Fission Product Release Behavior of Individual Coated Fuel Particles for High-Temperature Gas-Cooled Reactors

2000 ◽  
Vol 131 (1) ◽  
pp. 36-47 ◽  
Author(s):  
Kazuo Minato ◽  
Kazuhiro Sawa ◽  
Toshio Koya ◽  
Takeshi Tomita ◽  
Akiyoshi Ishikawa ◽  
...  
Keyword(s):  
High Temperature ◽  
Fission Product ◽  
Release Behavior ◽  
Product Release ◽  
Fuel Particles ◽  
High Temperature Gas

Irradiation Performance of Pyrolytic-Carbon- and Silicon-Carbide-Coated Fuel Particles

1970 ◽  
Vol 8 (5) ◽  
pp. 417-431 ◽  
Author(s):  
P. E. Reagan ◽  
E. L. Long ◽  
J. G. Morgan ◽  
J. H. Coobs
Keyword(s):  
Silicon Carbide ◽  
Pyrolytic Carbon ◽  
Fuel Particles ◽  
Irradiation Performance

Fission product diffusion in ZrC coated fuel particles

1979 ◽  
Vol 87 (2-3) ◽  
pp. 367-374 ◽  
Author(s):  
Kousaku Fukuda ◽  
Katuichi Ikawa ◽  
Kazumi Iwamoto
Keyword(s):  
Fission Product ◽  
Product Diffusion ◽  
Fuel Particles

Fission product release from ZrC-coated fuel particles during post-irradiation heating at 1800 and 2000°C

1997 ◽  
Vol 249 (2-3) ◽  
pp. 142-149 ◽  
Author(s):  
Kazuo Minato ◽  
Toru Ogawa ◽  
Kousaku Fukuda ◽  
Hajime Sekino ◽  
Isamu Kitagawa ◽  
...  
Keyword(s):  
Fission Product ◽  
Post Irradiation ◽  
Product Release ◽  
Fuel Particles

Progress in understanding fission-product behaviour in coated uranium-dioxide fuel particles

2009 ◽  
Vol 385 (2) ◽  
pp. 372-386 ◽  
Author(s):  
M. Barrachin ◽  
R. Dubourg ◽  
M.P. Kissane ◽  
V. Ozrin
Keyword(s):  
Fission Product ◽  
Uranium Dioxide ◽  
Fuel Particles

scholarly journals Interaction of Noble Metal Fission Products with Pyrolytic Silicon Carbide

1982 ◽  
Vol 40 ◽  
pp. 566-567
Author(s):  
R. J. Lauf ◽  
D. N. Braski
Keyword(s):  
Silicon Carbide ◽  
Fission Product ◽  
Noble Metals ◽  
Fission Products ◽  
Pyrolytic Carbon ◽  
Enriched Uranium ◽  
Fuel Particles ◽  
The Many ◽  
Sic Coatings ◽  
Palladium Group

Fuel particles for the High-Temperature Gas-Cooled Reactor (HTGR) contain layers of pyrolytic carbon and silicon carbide, which act as a miniature pressure vessel and form the primary fission product barrier. Of the many fission products formed during irradiation, the noble metals are of particular interest because they interact significantly with the SiC layer and their concentrations are somewhat higher in the low-enriched uranium fuels currently under consideration. To study fission product-SiC interactions, particles of UO2 or UC2 are doped with fission product elements before coating and are then held in a thermal gradient up to several thousand hours. Examination of the SiC coatings by TEM-AEM after annealing shows that silver behaves differently from the palladium group.

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