TY - JOUR
T1 - Thermal properties measurement of TRISO particle coatings from room temperature to 900 °C using laser-based thermoreflectance methods
AU - Wang, Yuzhou
AU - Hua, Zilong
AU - Schley, Robert
AU - Beausoleil II, Geoffrey
AU - Hurley, David H.
N1 - Funding Information:
Y.W., R.S., and G.B. acknowledge the support from Nuclear Materials Discovery and Qualification initiative (NMDQi) program under the US Department of Energy, Office of Nuclear Energy under Idaho Operations Office (DE-AC07–05ID14517). Y.W., Z.H, and D.H.H. acknowledge support from the Center for Thermal Energy Transport under Irradiation, an Energy Frontier Research Center funded by the US Department of Energy, Office of Science, Office of Basic Energy Science. The authors thank Douglas Marshall and Paul Demkowicz for providing the samples and Amey Khanolkar for assistance with experiments.
Funding Information:
Y.W. R.S. and G.B. acknowledge the support from Nuclear Materials Discovery and Qualification initiative (NMDQi) program under the US Department of Energy, Office of Nuclear Energy under Idaho Operations Office (DE-AC07?05ID14517). Y.W. Z.H, and D.H.H. acknowledge support from the Center for Thermal Energy Transport under Irradiation, an Energy Frontier Research Center funded by the US Department of Energy, Office of Science, Office of Basic Energy Science. The authors thank Douglas Marshall and Paul Demkowicz for providing the samples and Amey Khanolkar for assistance with experiments.
Publisher Copyright:
© 2022
PY - 2022/7
Y1 - 2022/7
N2 - The thermal properties of tristructural isotropic (TRISO) particle coatings have been measured using laser-based thermoreflectance methods from room temperature to 900 °C. At room temperature the pyrocarbon coatings have comparable thermal conductivities below 10 W·m−1·K−1, whereas the SiC coating has a thermal conductivity around 90 W·m−1·K−1. The thermal diffusivities of all coatings display significant reduction with increasing temperature. The thermal conductivity of SiC decreases by more than 25% above 800 °C and the thermal conductivities of pyrocarbons increase moderately with the temperature, displaying similar changes to that of amorphous graphite at elevated temperatures.
AB - The thermal properties of tristructural isotropic (TRISO) particle coatings have been measured using laser-based thermoreflectance methods from room temperature to 900 °C. At room temperature the pyrocarbon coatings have comparable thermal conductivities below 10 W·m−1·K−1, whereas the SiC coating has a thermal conductivity around 90 W·m−1·K−1. The thermal diffusivities of all coatings display significant reduction with increasing temperature. The thermal conductivity of SiC decreases by more than 25% above 800 °C and the thermal conductivities of pyrocarbons increase moderately with the temperature, displaying similar changes to that of amorphous graphite at elevated temperatures.
UR - http://www.scopus.com/inward/record.url?scp=85127947662&partnerID=8YFLogxK
UR - https://www.mendeley.com/catalogue/50e319d6-2d95-3ad0-adef-0d62a43ff6df/
U2 - 10.1016/j.jnucmat.2022.153721
DO - 10.1016/j.jnucmat.2022.153721
M3 - Article
AN - SCOPUS:85127947662
SN - 0022-3115
VL - 565
JO - Journal of Nuclear Materials
JF - Journal of Nuclear Materials
M1 - 153721
ER -