On Relation between Thermodynamic and Dynamic Actinide Properties as Well as Kinetics of Radiation Defects
https://doi.org/10.56304/S2079562922010183
Abstract
Results of fundamental studies of the process for dynamic failure and dispersion of metals in the mode of pulsed volume heat-up under the action of penetrating rays allows the universal sinergetic attributes of metals behavior in the dynamic failure process, what supplies a capability to predict the unstudied metals behavior, involving actinide metals under extreme conditions. Determination of common relaxation attributes for non-equilibrium systems of various natures allows forecasting of non-studied systems behavior. Systematic studies of properties for plutonium metal (both native, as well as foreign ones) performed recently, allows reveal of ageing processes for plutonium metal, leading to some change of its physical-mechanical properties. The rate of these changes is rather low, and provide the process stability without a change of homogeneity, in the foreseeable future, would not result in a significant properties change. Estimates show, that α and fission-fragment activity weakly affect thermodynamic potentials (enthalpy, internal energy) of actinides for the normal and elevated temperatures T ~ 600 К. Actinide metals ageing processes, related to α and fission-fragment activity affect weakly the dynamic properties.
About the Authors
E. V. Kosheleva
Russian Federal Nuclear Center – VNIIEF, Sarov, Nizhniy Novgorod oblast, 607188 Russia
Russian Federation
Russian Federation
N. I. Sel’chenkova
Russian Federal Nuclear Center – VNIIEF, Sarov, Nizhniy Novgorod oblast, 607188 Russia
Russian Federation
Russian Federation
А. Ya. Uchaev
Russian Federal Nuclear Center – VNIIEF, Sarov, Nizhniy Novgorod oblast, 607188 Russia
Russian Federation
Russian Federation
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Review
For citations:
Kosheleva E.V., Sel’chenkova N.I., Uchaev А.Ya. On Relation between Thermodynamic and Dynamic Actinide Properties as Well as Kinetics of Radiation Defects. Nuclear Physics and Engineering. 2022;13(2):187-199. (In Russ.) https://doi.org/10.56304/S2079562922010183
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