Thermodynamic and static properties of plutonium oxides in magnesia-based inert matrix fuels

Miwa, Shuhei ; Osaka, Masahiko

Reduction-oxidation behaviors and oxygen potentials of plutonium oxide in magnesia-based inert matrix fuels were experimentally investigated by thermogravimetry. The reduction and oxidation rates of plutonium oxide in magnesia-based inert matrix fuels were lower than those of plutonium oxide. The oxygen potentials of plutonium oxide-containing magnesia-based inert matrix fuels were lower than those of plutonium oxide near stoichiometry, and became closer to those of plutonium oxide with decreasing oxygen-to-metal ratio. These results indicated that the thermodynamic and static properties of inert matrix fuels could be changed for the better by using the MgO matrix.

Language	:	English
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Meeting title	:	Nuclear Materials Conference 2010 (NuMat 2010)
Held date	:	2010/10
Location (city)	:	Karlsruhe
Location (country)	:	Germany
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Keywords	:	no keyword
Research Facility	:	AGF(照射燃料試験施設)
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Registration No. : BB20102135
JAEA Abstracts No. :
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