Radiation effects in SiC for nuclear structural applications

Y Katoh, LL Snead, I Szlufarska, WJ Weber - Current Opinion in Solid State …, 2012 - Elsevier
Silicon carbide has enjoyed both fundamental study and practical application since the early
days of nuclear materials science. In the past decade, with the increased interest in …

Diffusion of fission products and radiation damage in SiC

JB Malherbe - Journal of Physics D: Applied Physics, 2013 - iopscience.iop.org
A major problem with most of the present nuclear reactors is their safety in terms of the
release of radioactivity into the environment during accidents. In some of the future nuclear …

Radiation-induced segregation in a ceramic

X Wang, H Zhang, T Baba, H Jiang, C Liu, Y Guan… - Nature Materials, 2020 - nature.com
Radiation-induced segregation is well known in metals, but has been rarely studied in
ceramics. We discover that radiation can induce notable segregation of one of the …

Multiscale, mechanistic modeling of irradiation-enhanced silver diffusion in TRISO particles

PCA Simon, JH Ke, C Jiang, LK Aagesen… - Journal of Nuclear …, 2024 - Elsevier
Tristructural isotropic (TRISO) particles are under consideration for use in several proposed
advanced nuclear reactor concepts. The silicon carbide (SiC) layer in TRISO acts as a …

Intrinsic point-defect equilibria in tetragonal ZrO: Density functional theory analysis with finite-temperature effects

M Youssef, B Yildiz - Physical Review B—Condensed Matter and Materials …, 2012 - APS
We present a density functional theory (DFT) framework taking into account the finite
temperature effects to quantitatively understand and predict charged defect equilibria in a …

Microstructure evolution of iron precipitates in (Fe, He)-irradiated 6H-SiC: A combined TEM and multiscale modeling

N Daghbouj, AT AlMotasem, J Vesely, BS Li… - Journal of Nuclear …, 2023 - Elsevier
Microstructure of radiation-induced Iron phases were investigated in a 6H-SiC subjected to
Iron and Helium bombardment with a damage level of 8 dpa. The microstructural evolution …

Thermal behavior of iron in 6H-SiC: influence of He-induced defects

BS Li, HS Sen, N Daghbouj, AT AlMotasem, J Lorinčík… - Scripta Materialia, 2022 - Elsevier
SiC is considered a perspective material in advanced nuclear systems as well as for
electronic or spintronic applications, which require an ion implantation process. In this …

Evolution of small defect clusters in ion-irradiated 3C-SiC: Combined cluster dynamics modeling and experimental study

C Liu, L He, Y Zhai, B Tyburska-Püschel, PM Voyles… - Acta Materialia, 2017 - Elsevier
Distribution of black spot defects and small clusters in 1 MeV krypton irradiated 3C-SiC has
been investigated using advanced scanning transmission electron microscopy (STEM) and …

Electronic stopping in molecular dynamics simulations of cascades in 3C–SiC

E Zarkadoula, G Samolyuk, Y Zhang… - Journal of Nuclear …, 2020 - Elsevier
We investigate the effect of the electronic stopping power on defect production due to ion
irradiation of cubic silicon carbide using molecular dynamics simulations. We simulate 20 …

Identification of silver and palladium in irradiated TRISO coated particles of the AGR-1 experiment

IJ Van Rooyen, TM Lillo, YQ Wu - Journal of Nuclear Materials, 2014 - Elsevier
Evidence of the release of certain metallic fission products through intact tristructural
isotropic (TRISO) particles has been seen for decades around the world, as well as in the …