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Properties of Liquid Plutonium [electronic resource].

Published
Los Alamos, N.M. : Los Alamos National Laboratory, 2012.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Additional Creators
Los Alamos National Laboratory and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Unalloyed polycrystalline Pu displays extreme thermal expansion behavior, i.e., α → β → γ → δ increases by 25% in volume and δ → {var_epsilon} → liquid decreases by 4.5% in volume. Thus, making it difficult to measure density into the liquid state. Dilatometer outfitted with CaF molten metal cell offers a proven capability to measure thermal expansion in molten metals, but has yet to be proven for Pu. Historic data from the liquid nuclear fuels program will prove extremely useful as a guide to future measurements. 3.3at% Ga changes Pu molten metal properties: 50% increase in viscosity and ≈3% decrease in density. Fe may decrease the density by a small amount assuming an averaging of densities for Pu-Ga and Pu-Fe liquids. More recent Boivineau (2009) work needs some interpretation, but technique is being employed in (U,Pu)O₂ nuclear fuels program (Pu Futures, 2012).
Report Numbers
E 1.99:la-ur-12-23782
la-ur-12-23782
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Note
Published through SciTech Connect.
08/02/2012.
"la-ur-12-23782"
2012 Tri-Lab EOS Workshop ; 2012-07-25 - 2012-07-25 ; Los Alamos, New Mexico, United States.
Mitchell, Jeremy N.; Saleh, Tarik A.; Freibert, Franz J.; Migliori, Albert; Schwartz, Daniel S.
Funding Information
AC52-06NA25396
View MARC record | catkey: 14061236