Perspectives on multiscale modelling and experiments to accelerate materials development for fusion

MR Gilbert, K Arakawa, Z Bergstrom, MJ Caturla… - Journal of Nuclear …, 2021 - Elsevier
Prediction of material performance in fusion reactor environments relies on computational
modelling, and will continue to do so until the first generation of fusion power plants come on …

Transient grating spectroscopy: An ultrarapid, nondestructive materials evaluation technique

F Hofmann, MP Short, CA Dennett - Mrs Bulletin, 2019 - cambridge.org
Structure–property relationships are the foundation of materials science and are essential
for predicting material response to driving forces, managing in-service material degradation …

The evolution of dislocation loop and its interaction with pre-existing dislocation in He+-irradiated molybdenum: in-situ TEM observation and molecular dynamics …

Y Li, G Ran, Y Guo, Z Sun, X Liu, Y Li, X Qiu, Y **n - Acta Materialia, 2020 - Elsevier
In-situ TEM observation and molecular dynamics simulation were used to investigate the
evolution of irradiation-induced dislocation loops and their interactions with the pre-existing …

Enhanced irradiation tolerance of a medium entropy alloy via precipitation and dissolution of nanoprecipitates

J Han, Y Zhang, Z Sun, Y Zhang, Y Zhao, L Sun… - Journal of Nuclear …, 2023 - Elsevier
High/medium entropy alloys (HEAs/MEAs) are good candidates for nuclear applications due
to the excellent mechanical properties, good corrosion resistance and radiation resistance …

Nanoprecipitates to enhance radiation tolerance in high-entropy alloys

B Kombaiah, Y Zhou, K **, A Manzoor… - … Applied Materials & …, 2023 - ACS Publications
The growth of advanced energy technologies for power generation is enabled by the design,
development, and integration of structural materials that can withstand extreme …

Thermal diffusivity degradation and point defect density in self-ion implanted tungsten

A Reza, H Yu, K Mizohata, F Hofmann - Acta Materialia, 2020 - Elsevier
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 …

Observation of transient and asymptotic driven structural states of tungsten exposed to radiation

DR Mason, S Das, PM Derlet, SL Dudarev… - Physical Review Letters, 2020 - APS
Combining spatially resolved x-ray Laue diffraction with atomic-scale simulations, we
observe how ion-irradiated tungsten undergoes a series of nonlinear structural …

Investigating the formation mechanism of void lattice in tungsten under neutron irradiation: from collision cascades to ordered nanovoids

ZZ Li, YH Li, D Terentyev, N Castin, A Bakaev, G Bonny… - Acta Materialia, 2021 - Elsevier
The “void lattice” formed by periodic arrangements of voids, usually replicating the symmetry
and crystallographic orientation of the host matrix, is an interesting phenomenon in materials …

Analysis of position-dependent cavity parameters in irradiated metals to obtain insight on fundamental defect migration phenomena☆

YR Lin, A Bhattacharya, SJ Zinkle - Materials & Design, 2023 - Elsevier
Motion of point defects is a fundamental process that governs microstructure and properties
of materials. Here, we examine the near-surface and grain boundary cavity swelling depth …

An approach to combine neutron and ion irradiation data to accelerate material qualification for nuclear reactors

S Taller, Y Chen, R Song, WY Chen… - Journal of Nuclear …, 2024 - Elsevier
Next-generation nuclear power plants are generally characterized by higher operating
temperatures, increased neutron fluences and energies, and distinct corrosive coolant …