Thermophysical properties of U3Si to 1150 K

J. T. White; A. T. Nelson; D. D. Byler; J. A. Valdez; K. J. McClellan

doi:10.1016/j.jnucmat.2014.05.037

Thermophysical properties of U₃Si to 1150 K

J. T. White, A. T. Nelson, D. D. Byler, J. A. Valdez, K. J. McClellan

Research output: Contribution to journal › Article › peer-review

47 Scopus citations

Abstract

U₃Si has the highest uranium density of the U-Si compounds, making it an attractive option for specialized reactor applications. Although the compound has been used in research and test reactors for nearly six decades, little data has been published in the literature which characterizes the thermophysical properties at elevated temperatures. A systematic study was conducted on U₃Si to characterize thermal expansion, heat capacity, thermal diffusivity, and thermal conductivity as a function of temperature to 1150 K. Thermophysical properties were also tabulated for the high temperature ^δ′-U₃Si phase as a function of temperature, which has not been reported previously.

Original language	English
Pages (from-to)	304-310
Number of pages	7
Journal	Journal of Nuclear Materials
Volume	452
Issue number	1-3
DOIs	https://doi.org/10.1016/j.jnucmat.2014.05.037
State	Published - Sep 2014
Externally published	Yes

Funding

The support of the U.S. Department of Energy, Office of Nuclear Energy Fuel Cycle Research and Development program is gratefully acknowledged. This work was performed at Los Alamos National Laboratory under the auspices of the U.S. Department of Energy.

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10.1016/j.jnucmat.2014.05.037

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abstract = "U3Si has the highest uranium density of the U-Si compounds, making it an attractive option for specialized reactor applications. Although the compound has been used in research and test reactors for nearly six decades, little data has been published in the literature which characterizes the thermophysical properties at elevated temperatures. A systematic study was conducted on U3Si to characterize thermal expansion, heat capacity, thermal diffusivity, and thermal conductivity as a function of temperature to 1150 K. Thermophysical properties were also tabulated for the high temperature δ′-U3Si phase as a function of temperature, which has not been reported previously.",

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AU - McClellan, K. J.

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Thermophysical properties of U₃Si to 1150 K

Abstract

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