Abstract
Increased requirements concerning the retention of long-lived solid fission products in fuel elements for use in advanced High Temperature Gas-cooled Reactors led to the development of coated particles with improved fission product retention which represent an alternative to silicon carbide-coated fuel particles. Two irradiation experiments have shown that the release of strontium, barium, and caesium from pyrocarbon-coated particles can be reduced by orders of magnitude if the oxide kernel contains alumina-silica additives. It was detected by electron microprobe analysis that the improved retention of the mentioned fission products in the fuel kernel is caused by formation of the stable aluminosilicates SrAl2Si2O8, BaAl2Si2O8and CsAlSi2O6 in the additional alumina-silica phase of the kernel.
Citation Formats
Foerthmann, R., Groos, E., and Gruebmeier, H.
Improvement in retention of solid fission products in HTGR fuel particles by ceramic kernel additives.
Germany: N. p.,
1975.
Web.
Foerthmann, R., Groos, E., & Gruebmeier, H.
Improvement in retention of solid fission products in HTGR fuel particles by ceramic kernel additives.
Germany.
Foerthmann, R., Groos, E., and Gruebmeier, H.
1975.
"Improvement in retention of solid fission products in HTGR fuel particles by ceramic kernel additives."
Germany.
@misc{etde_8197455,
title = {Improvement in retention of solid fission products in HTGR fuel particles by ceramic kernel additives}
author = {Foerthmann, R., Groos, E., and Gruebmeier, H.}
abstractNote = {Increased requirements concerning the retention of long-lived solid fission products in fuel elements for use in advanced High Temperature Gas-cooled Reactors led to the development of coated particles with improved fission product retention which represent an alternative to silicon carbide-coated fuel particles. Two irradiation experiments have shown that the release of strontium, barium, and caesium from pyrocarbon-coated particles can be reduced by orders of magnitude if the oxide kernel contains alumina-silica additives. It was detected by electron microprobe analysis that the improved retention of the mentioned fission products in the fuel kernel is caused by formation of the stable aluminosilicates SrAl2Si2O8, BaAl2Si2O8and CsAlSi2O6 in the additional alumina-silica phase of the kernel.}
place = {Germany}
year = {1975}
month = {Aug}
}
title = {Improvement in retention of solid fission products in HTGR fuel particles by ceramic kernel additives}
author = {Foerthmann, R., Groos, E., and Gruebmeier, H.}
abstractNote = {Increased requirements concerning the retention of long-lived solid fission products in fuel elements for use in advanced High Temperature Gas-cooled Reactors led to the development of coated particles with improved fission product retention which represent an alternative to silicon carbide-coated fuel particles. Two irradiation experiments have shown that the release of strontium, barium, and caesium from pyrocarbon-coated particles can be reduced by orders of magnitude if the oxide kernel contains alumina-silica additives. It was detected by electron microprobe analysis that the improved retention of the mentioned fission products in the fuel kernel is caused by formation of the stable aluminosilicates SrAl2Si2O8, BaAl2Si2O8and CsAlSi2O6 in the additional alumina-silica phase of the kernel.}
place = {Germany}
year = {1975}
month = {Aug}
}