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Report No.
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Molecular dynamics studies of americium-containing mixed oxide fuels

Kurosaki, Ken*; Adachi, Jun*; Katayama, Masahito*; Osaka, Masahiko  ; Tanaka, Kenya; Uno, Masayoshi*; Yamanaka, Shinsuke*

The molecular dynamics (MD) calculation was performed for americium containing mixed oxide fuels, (U$$_{0.7-x}$$Pu$$_{0.3}$$Am$$_{x}$$)O$$_{2}$$ (x = 0, 0.016, 0.03, 0.05, 0.1, 0.15), in the temperature range from 300 to around 2500 K to evaluate the lattice parameter, heat capacity and thermal conductivity. The calculated lattice parameter is found to obey Vegard's law. The MD results reveal that the calculated heat capacity and thermal conductivity are at a similar level in the entire composition range, in other words they are scarcely influenced by adding americium up to 15 %.

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Category:Nuclear Science & Technology

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