Temperature-dependent cavity swelling in dual-ion irradiated Fe and Fe-Cr ferritic alloys

YR Lin, A Bhattacharya, D Chen, JJ Kai, J Henry… - Acta Materialia, 2021 - Elsevier
Fe-Cr ferritic-martensitic (FM) steels are promising structural material candidates for fusion
and advanced fission reactors due to their attractive mechanical properties and volumetric …

Cavity swelling in irradiated materials

A Bhattacharya, SJ Zinkle - 2020 - osti.gov
Cavity swelling, due to three-dimensional clustering of vacancies, is an undesirable isotropic
volume expansion of materials under irradiation. This phenomenon occurs above stage-III …

Microstructural analysis of an HT9 fuel assembly duct irradiated in FFTF to 155 dpa at 443 C

BH Sencer, JR Kennedy, JI Cole, SA Maloy… - Journal of Nuclear …, 2009 - Elsevier
The majority of data on the irradiation response of ferritic/martensitic steels has been derived
from simple free-standing specimens irradiated in experimental assemblies under well …

Molecular dynamics simulations to quantify the interaction of a rigid and impenetrable precipitate with an edge dislocation in Cu

K Tsugawa, S Hayakawa, Y Iwase, T Okita… - Computational Materials …, 2022 - Elsevier
Precipitation strengthening has been utilized to improve the properties of metallic materials
so far. Since interactions between precipitates and dislocations are micro-mechanisms …

Irradiation hardening of Fe–9Cr-based alloys and ODS Eurofer: Effect of helium implantation and iron-ion irradiation at 300 C including sequence effects

C Heintze, F Bergner, M Hernández-Mayoral… - Journal of Nuclear …, 2016 - Elsevier
Single-beam, dual-beam and sequential iron-and/or helium-ion irradiations are widely
accepted to emulate more application-relevant but hardly accessible irradiation conditions of …

Spatial ordering of nano-dislocation loops in ion-irradiated materials

SL Dudarev, K Arakawa, X Yi, Z Yao, ML Jenkins… - Journal of Nuclear …, 2014 - Elsevier
Defect microstructures formed in ion-irradiated metals, for example iron or tungsten, often
exhibit patterns of spatially ordered nano-scale dislocation loops. We show that such …

Phase stability of an HT-9 duct irradiated in FFTF

O Anderoglu, J Van den Bosch, P Hosemann… - Journal of Nuclear …, 2012 - Elsevier
A fuel test assembly known as the ACO-3 duct made out of a normalized and fully tempered
ferritic/martensitic steel (HT-9) was previously irradiated in the Fast Flux Test Reactor Facility …

Meso-timescale atomistic simulations on coalescence process of He bubbles in Fe by SEAKMC method

Y Yamamoto, S Hayakawa, T Okita, M Itakura - Computational Materials …, 2023 - Elsevier
He bubbles are characteristic microstructures under fusion reactor conditions. They
approach and coalesce through their own migration, which significantly impacts the …

Flux effects on point defect behavior by tracking loop evolution using combined irradiation method

D Chen, K Murakami, H Yang, L Chen, H Abe, Z Li… - Scripta Materialia, 2022 - Elsevier
Irradiation flux effects are directly related to the behavior of point defects, and it is
challenging to observe them experimentally. During combined irradiation, the interstitial …

Simulation study of helium bubble coalescence in tungsten at various temperatures relevant to fusion conditions

J Zhan, T Okita, M Ye, D Kato, K Suzuki - Computational Materials Science, 2021 - Elsevier
Molecular dynamics (MD) methods are used to study nanosized helium (He) bubble
coalescence process in tungsten (W) at various temperatures relevant to fusion conditions …