Radiation damage in nuclear fuel materials: the “rim” effect in UO2 and damage in inert matrices for transmutation of actinides
作者： Hj. Matzke
DOI: 10.1016/0168-583X(96)00021-3
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摘要: Abstract Polygonization or grain subdivision at high damage levels (often referred to as “rim effect”) is gaining increasing importance for UO2 which the fuel of nuclear electricity producing power stations. Also, recently, concept replacing U-238, and hence natural UO2, by “inert matrices” fissile U-235 Pu-239, also transmutation higher actinides (Np, Am, Cm) being studied. High energy ion implantation was used simulate fission in both such matrices (e.g. Al2O3, MgAl2O4 etc.). The implanted ions varied between 40 keV 2.6 GeV. Emphasis given search possible dose rate effects. Results on formation exist now variations more than a factor 1010. implications technological application inert matrix materials are briefly discussed.
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