Thermal energy transport in oxide nuclear fuel

DH Hurley, A El-Azab, MS Bryan, MWD Cooper… - Chemical …, 2021 - ACS Publications
To efficiently capture the energy of the nuclear bond, advanced nuclear reactor concepts
seek solid fuels that must withstand unprecedented temperature and radiation extremes. In …

An Evaluation of the Thermophysical Properties of Stoichiometric CeO2 in Comparison to UO2 and PuO2

AT Nelson, DR Rittman, JT White… - Journal of the …, 2014 - Wiley Online Library
The thermal conductivity of stoichiometric CeO2 was determined through measurement of
thermal expansion from 313 to 1723 K, thermal diffusivity from 298 to 1473 K, and specific …

Dislocation loop evolution in Kr‐irradiated ThO2

L He, T Yao, K Bawane, M **, C Jiang… - Journal of the …, 2022 - Wiley Online Library
The early stage of microstructural evolution of ThO2, under krypton irradiation at 600, 800,
and 1000° C, was investigated using in situ transmission electron microscopy (TEM) …

Detection of gadolinium in surrogate nuclear fuel debris using fiber-optic laser-induced breakdown spectroscopy under gamma irradiation

R Nakanishi, M Saeki, I Wakaida, H Ohba - Applied Sciences, 2020 - mdpi.com
Fiber-optic laser-induced breakdown spectroscopy (FO-LIBS) was applied to a qualitative
and quantitative analysis of gadolinium (Gd) in mixed oxide samples, simulating nuclear fuel …

Development of a fiber-coupled laser-induced breakdown spectroscopy instrument for analysis of underwater debris in a nuclear reactor core

M Saeki, A Iwanade, C Ito, I Wakaida… - Journal of Nuclear …, 2014 - Taylor & Francis
To inspect the post-accident nuclear core reactor of the TEPCO Fukushima Daiichi nuclear
power plant (F1-NPP), a transportable fiber-coupled laser-induced breakdown spectroscopy …

TEM characterization of dislocation loops in proton irradiated single crystal ThO2

K Bawane, X Liu, T Yao, M Khafizov, A French… - Journal of Nuclear …, 2021 - Elsevier
This work focuses on the full characterization of dislocation loops induced by proton
irradiation in single-crystal ThO 2. Irradiation was performed using 2 MeV H+ ions with …

[HTML][HTML] The Influence of Grain Size on Microstructure Evolution in CeO2 under Xenon Ion Irradiation

P Lei, X Ji, J Qiu, J Si, T Peng, C Teng, L Wu - Nanomaterials, 2024 - mdpi.com
Large-grained UO2 is considered a potential accident-tolerant fuel (ATF) due to its superior
fission gas retention capabilities. Irradiation experiments for cerium dioxide (CeO2), used as …

Indirect characterization of point defects in proton irradiated ceria

VS Chauhan, J Pakarinen, T Yao, L He, DH Hurley… - Materialia, 2021 - Elsevier
A rate theory model informed by multimodal characterization is used to evaluate the
concentration of point defects in irradiated materials. Cerium dioxide (CeO 2) is used as a …

Full characterization of dislocations in ion-irradiated polycrystalline UO2

C Onofri, M Legros, J Léchelle, H Palancher… - Journal of Nuclear …, 2017 - Elsevier
In order to fully characterize the dislocation loops and lines features (Burgers vectors,
habit/slip planes, interstitial or vacancy type) induced by irradiation in UO 2, polycrystalline …

Elucidating the Role of Dissolution in CeO2 Nanoparticle Plant Uptake by Smart Radiolabeling

S Schymura, T Fricke, H Hildebrand… - Angewandte Chemie …, 2017 - Wiley Online Library
The identification of major uptake pathways in plants is an important factor when evaluating
the fate of manufactured nanoparticles in the environment and the associated risks. Using …