Modeling microstructural evolution in irradiated materials with cluster dynamics methods: a review

AA Kohnert, BD Wirth, L Capolungo - Computational Materials Science, 2018 - Elsevier
As both the design of material systems for nuclear energy applications and the number of
reactor designs being proposed increase the need for material models predicting the …

Elastic modeling of point-defects and their interaction

E Clouet, C Varvenne, T Jourdan - Computational Materials Science, 2018 - Elsevier
Different descriptions used to model a point-defect in an elastic continuum are reviewed.
The emphasis is put on the elastic dipole approximation, which is shown to be equivalent to …

Dislocation loop bias and void swelling in irradiated α-iron from mesoscale and atomistic simulations

Z Yu, H Xu - Communications Materials, 2023 - nature.com
Dislocation loops are ubiquitous in irradiated materials, and dislocation loop bias plays a
critical role in void swelling. However, due to complicated interactions between dislocation …

Direct formation of novel Frank loop and stacking-fault tetrahedron complex

Y Li, Y Lin, D Cui, H Deng, G Ran - Acta Materialia, 2023 - Elsevier
Stacking-fault tetrahedron (SFT) is one kind of typical three-dimensional vacancy defect in
quenched, deformed or irradiated face-centered cubic (FCC) metals, which can seriously …

Effect of saddle point anisotropy of point defects on their absorption by dislocations and cavities

D Carpentier, T Jourdan, Y Le Bouar, MC Marinica - Acta Materialia, 2017 - Elsevier
Developing predictive models for the microstructure evolution of materials requires an
accurate description of the point defects fluxes to the different sinks, such as dislocations …

Influence of dislocation and dislocation loop biases on microstructures simulated by rate equation cluster dynamics

T Jourdan - Journal of Nuclear Materials, 2015 - Elsevier
Sensitivity of microstructures under irradiation to absorption biases of dislocations and
dislocation loops is investigated by rate equation cluster dynamics (RECD). Contrary to …

Interaction of 1/2< 111> interstitial dislocation loop with hydrogen and helium in tungsten: molecular dynamics simulation

BC Xu, XC Li, J Wang, YW Li, XD Pan… - Materials Research …, 2023 - iopscience.iop.org
The interaction of hydrogen and helium atoms with 1/2< 111> interstitial dislocation loop in
tungsten is investigated by molecular dynamics simulation. The binding energies of …

Phase field methods

P Bellon, L Thuinet - Comprehensive nuclear materials, 2020 - hal.science
This article reviews the principles and applications of the phase field technique for modeling
phase transformations and microstructural evolutions, with an emphasis on solid-solid …

Void denuded zone formation for Fe–15Cr–15Ni steel and PNC316 stainless steel under neutron and electron irradiations

Y Sekio, S Yamashita, N Sakaguchi… - Journal of Nuclear …, 2015 - Elsevier
Irradiation-induced void denuded zone (VDZ) formation near grain boundaries was studied
to clarify the effects of minor alloying elements on vacancy diffusivity during irradiation in …

Sink strength and dislocation bias of three-dimensional microstructures

AA Kohnert, L Capolungo - Physical Review Materials, 2019 - APS
Irradiation induces significant changes in the microstructure of structural materials, many of
which are driven by the preferential capture of point defects at particular sinks, such as …