Thermophysical properties of NpO2, AmO2 and CmO2

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Thermophysical properties of NpO2, AmO2 and CmO2. / Sobolev, Vitaly.

In: Journal of Nuclear Materials, Vol. 389, No. 1, 15.05.2009, p. 45-51.

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Sobolev, V 2009, 'Thermophysical properties of NpO2, AmO2 and CmO2', Journal of Nuclear Materials, vol. 389, no. 1, pp. 45-51. https://doi.org/10.1016/j.jnucmat.2009.01.005

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Sobolev, Vitaly. / Thermophysical properties of NpO2, AmO2 and CmO2. In: Journal of Nuclear Materials. 2009 ; Vol. 389, No. 1. pp. 45-51.

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@article{cafdb1cbcf3c4a049c6cad6089e7c63a,
title = "Thermophysical properties of NpO2, AmO2 and CmO2",
abstract = "The information on thermal and mechanical properties of the minor actinide dioxides: NpO2, AmO2 and CmO2, is still very scarce, and a large uncertainty exists because of difficulties related to their fabrication and manipulation. Prognosis based on a set of the sound physical models and the similarity principle can be useful in this situation. Using the combination of the macroscopic and microscopic approaches developed earlier for thermodynamic properties of actinide dioxides, and the Klemmens model for their thermal conductivity, a few relationships bounding the main thermophysical properties of the actinide dioxides were deduced. These relationships were applied for the calculation of the isochoric heat capacity, the isobaric thermal expansion coefficient, the isothermal bulk elastic modulus and the thermal conductivity of NpO2, AmO2 and CmO2 in a large temperature range. A rather satisfactory agreement with the available experimental data and recommendations was demonstrated.",
keywords = "thermal properties, solids, dioxides, minor actinides, modelling",
author = "Vitaly Sobolev",
note = "Score=10; The 12th Symposium on Thermochemistry and Thermophysics of Nuclear Materials (STTNM-2008) ; Conference date: 30-08-2008 Through 03-09-2008",
year = "2009",
month = may,
day = "15",
doi = "10.1016/j.jnucmat.2009.01.005",
language = "English",
volume = "389",
pages = "45--51",
journal = "Journal of Nuclear Materials",
issn = "0022-3115",
publisher = "Elsevier",
number = "1",

}

RIS - Download

TY - JOUR

T1 - Thermophysical properties of NpO2, AmO2 and CmO2

AU - Sobolev, Vitaly

N1 - Score=10

PY - 2009/5/15

Y1 - 2009/5/15

N2 - The information on thermal and mechanical properties of the minor actinide dioxides: NpO2, AmO2 and CmO2, is still very scarce, and a large uncertainty exists because of difficulties related to their fabrication and manipulation. Prognosis based on a set of the sound physical models and the similarity principle can be useful in this situation. Using the combination of the macroscopic and microscopic approaches developed earlier for thermodynamic properties of actinide dioxides, and the Klemmens model for their thermal conductivity, a few relationships bounding the main thermophysical properties of the actinide dioxides were deduced. These relationships were applied for the calculation of the isochoric heat capacity, the isobaric thermal expansion coefficient, the isothermal bulk elastic modulus and the thermal conductivity of NpO2, AmO2 and CmO2 in a large temperature range. A rather satisfactory agreement with the available experimental data and recommendations was demonstrated.

AB - The information on thermal and mechanical properties of the minor actinide dioxides: NpO2, AmO2 and CmO2, is still very scarce, and a large uncertainty exists because of difficulties related to their fabrication and manipulation. Prognosis based on a set of the sound physical models and the similarity principle can be useful in this situation. Using the combination of the macroscopic and microscopic approaches developed earlier for thermodynamic properties of actinide dioxides, and the Klemmens model for their thermal conductivity, a few relationships bounding the main thermophysical properties of the actinide dioxides were deduced. These relationships were applied for the calculation of the isochoric heat capacity, the isobaric thermal expansion coefficient, the isothermal bulk elastic modulus and the thermal conductivity of NpO2, AmO2 and CmO2 in a large temperature range. A rather satisfactory agreement with the available experimental data and recommendations was demonstrated.

KW - thermal properties

KW - solids

KW - dioxides

KW - minor actinides

KW - modelling

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_96679

UR - http://knowledgecentre.sckcen.be/so2/bibref/5732

U2 - 10.1016/j.jnucmat.2009.01.005

DO - 10.1016/j.jnucmat.2009.01.005

M3 - Article

VL - 389

SP - 45

EP - 51

JO - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

SN - 0022-3115

IS - 1

T2 - The 12th Symposium on Thermochemistry and Thermophysics of Nuclear Materials (STTNM-2008)

Y2 - 30 August 2008 through 3 September 2008

ER -

ID: 333751