Calculation of dislocation binding to helium-vacancy defects in tungsten using hybrid ab initio-machine learning methods

P Grigorev, AM Goryaeva, MC Marinica, JR Kermode… - Acta Materialia, 2023 - Elsevier
Calculations of dislocation-defect interactions are essential to model metallic strength, but
the required system sizes are at or beyond ab initio limits. Current estimates thus have …

Helium role in Fe9Cr1. 5W0. 4Si F/M steel during Fe++ He+ dual-beam irradiation

Y Ding, Z Cao, J Ren, D Cui, K He, Y Li… - Journal of Nuclear …, 2023 - Elsevier
In materials exposed to neutron irradiation, helium atoms produced by transmutation
reactions are prevalent and play a significant role in the evolution of dislocation loops …

Interstitial oxygen solutes promote atomic-scale heterogeneities to achieve superior irradiation tolerance in body-centered cubic multi-principal element alloys

Z Su, J Yang, X Zhou, J Li, P Zhang, C Zhang… - Journal of Materials …, 2025 - Elsevier
Designing alloys capable of withstanding irradiation is a crucial aspect of develo**
materials for nuclear reactors and aerospace applications. Local chemical order (LCO) has …

Microstructure evolution and hardening behavior in FCC Ni under ion irradiation: Influence of dose rate

L ** of helium by electron density regulation in WTaVCr high-entropy alloys
YX Zhai, YH Li, TR Yang, S Zhao, F Tian, LM Liu… - Scripta Materialia, 2024 - Elsevier
High-entropy alloys (HEAs) have been demonstrated to show a particular suppressing effect
on helium (He) bubbles, but the mechanism behind it remains unclear. Herein, we …

Microstructure evolution of helium irradiated (NbMoTaW) V50 films with nanochannel structure under nanoindentation

Q Chen, A Li, Q Zhang, L He, F Li, N Qiu, Z Ye… - Applied Surface …, 2024 - Elsevier
Material degradation due to precipitation of implanted helium (He) is a major concern in
nuclear facilities. Conventional structural design strategies are only limit the nucleation and …

First-principles study of helium solution and diffusion in tungsten borides

L Yang, BD Wirth - Journal of Nuclear Materials, 2024 - Elsevier
The behavior of helium (He) in plasma facing materials (PFMs) is crucial for the performance
of PFMs under neutron irradiation in a fusion environment. First-principles density functional …

Defect evolution in pure iron under simultaneous in-situ irradiation with Fe+-He+-H2+: Impact of hydrogen & helium-dose ratios

Z Cao, C Li, Y Ding, D Cui, Q Zhong, G Ran - Materialia, 2024 - Elsevier
The properties of materials in irradiation environments are significantly influenced by
hydrogen and helium. However, the effects of gas-dose ratio on the evolution of defects …

Strength of bulk aluminum-boron alloys containing helium produced by 10B (n, α) 7Li reaction in nuclear reactor

K Chen, Q Huang, Z Zhang, P Song, Y Shen, Y Yu… - Heliyon, 2024 - cell.com
The study of metals and alloys containing helium has garnered significant attention within
the nuclear energy community. However, there is limited research on the mechanical …