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Thermal Conductivity of G-348 Isostatic Graphite

W. David Swank, Francisco I. Valentin, Masahiro Kawaji, Donald M. McEligot

Nuclear Technology / Volume 199 / Number 1 / July 2017 / Pages 103-109

Technical Note /

Received:December 1, 2016
Accepted:April 4, 2017
Published:July 17, 2017

Fundamental measurements have been obtained to deduce the temperature dependence of thermal conductivity for fine-grain G-348 isostatic graphite, which has been used in thermal experiments related to gas-cooled nuclear reactors. Measurements of thermal diffusivity, mass, volume, and thermal expansion were converted to thermal conductivity. Resulting correlations for the thermal conductivity and thermal expansion are presented as functions of temperature from laboratory temperature to 1000°C.

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