Thermal energy transport in oxide nuclear fuel
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 …
seek solid fuels that must withstand unprecedented temperature and radiation extremes. In …
Opportunities and limitations for ion beams in radiation effects studies: Bridging critical gaps between charged particle and neutron irradiations
Ion beams are indispensible for understanding radiation effects in materials, enabling
access to conditions challenging to perform with neutrons. However, ion irradiations can …
access to conditions challenging to perform with neutrons. However, ion irradiations can …
Thermal diffusivity degradation and point defect density in self-ion implanted tungsten
Using transient grating spectroscopy (TGS) we measure the thermal diffusivity of tungsten
exposed to different levels of 20 MeV self-ion irradiation. Damage as low as 3.2× 10− 4 …
exposed to different levels of 20 MeV self-ion irradiation. Damage as low as 3.2× 10− 4 …
Impact of irradiation induced dislocation loops on thermal conductivity in ceramics
M Khafizov, J Pakarinen, L He… - Journal of the American …, 2019 - Wiley Online Library
Experimental work aimed at understanding the role of dislocation loops in limiting phonon
mediated thermal transport in ceramics is presented. Faulted dislocation loops, having …
mediated thermal transport in ceramics is presented. Faulted dislocation loops, having …
[HTML][HTML] The influence of lattice defects, recombination, and clustering on thermal transport in single crystal thorium dioxide
Thermal transport is a key performance metric for thorium dioxide in many applications
where defect-generating radiation fields are present. An understanding of the effect of …
where defect-generating radiation fields are present. An understanding of the effect of …
Non-contact measurement of thermal diffusivity in ion-implanted nuclear materials
Abstract Knowledge of mechanical and physical property evolution due to irradiation
damage is essential for the development of future fission and fusion reactors. Ion-irradiation …
damage is essential for the development of future fission and fusion reactors. Ion-irradiation …
Dislocation loop evolution in Kr‐irradiated ThO2
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) …
and 1000° C, was investigated using in situ transmission electron microscopy (TEM) …
Thermal conductivity measurements via time-domain thermoreflectance for the characterization of radiation induced damage
The progressive build up of fission products inside different nuclear reactor components can
lead to significant damage of the constituent materials. We demonstrate the use of time …
lead to significant damage of the constituent materials. We demonstrate the use of time …
TEM characterization of dislocation loops in proton irradiated single crystal ThO2
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 …
irradiation in single-crystal ThO 2. Irradiation was performed using 2 MeV H+ ions with …
Combining mesoscale thermal transport and x-ray diffraction measurements to characterize early-stage evolution of irradiation-induced defects in ceramics
In situ characterization of defects, microstructure, and properties will provide new
perspectives regarding the structure-property relationship of materials in extreme …
perspectives regarding the structure-property relationship of materials in extreme …