In-situ TEM investigation on the evolution of He bubbles and dislocation loops in Ni-based alloy irradiated by H2+ & He+ dual-beam ions

Z Zhu, W Ji, H Huang - Journal of Materials Science & Technology, 2023 - Elsevier
The synergistic evolution mechanisms of He bubbles and dislocation loops under 30 keV H
2+ & H e+ dual-beam ions irradiation at 650° C in the Ni-based alloy GH3535, which is the …

Origin and fate of loop punching in Mo-5Re alloy

D Cui, Y Wang, Z Cao, K He, X Wu, G Ran - Acta Materialia, 2025 - Elsevier
Loop punching is the basic physical process of lattice expansion due to the introduction of
insoluble gas atoms into the crystalline metals leading to the emission of interstitial atoms …

Mechanisms of helium nanobubble growth and defect interactions in irradiated copper: A molecular dynamics study

AK Shargh, O Bosić, N Abdolrahim - Journal of Nuclear Materials, 2023 - Elsevier
It is well-established that mechanical behavior of the materials is significantly affected under
irradiation. This is often due to the growth of nanobubbles that changes the microstructure of …

[HTML][HTML] The incorporation of xenon at point defects and bubbles in uranium mononitride

JJ Li, N Zagni, WD Neilson, RL Gray… - Journal of Nuclear …, 2023 - Elsevier
Uranium mononitride (UN) has been proposed as an accident tolerant fuel for nuclear
fission reactors and offers enhanced performance during accident scenarios relative to the …

Distinct nucleation and propagation of prismatic dislocation loop arrays in Ni and medium-entropy CrCoNi alloy: Insights from molecular dynamics simulations

P Zhou, F Shuang, RH Shi - Materials Today Communications, 2023 - Elsevier
This paper utilizes molecular dynamics simulations to investigate the mechanisms of
nucleation and propagation of prismatic dislocation loop (PDL) arrays in single-crystal …

[HTML][HTML] Effect of surface orientation on blistering of copper under high fluence keV hydrogen ion irradiation

A Lopez-Cazalilla, C Serafim, J Kimari, M Ghaemi… - Acta Materialia, 2024 - Elsevier
Copper and hydrogen are among the most common elements that are widely used in
industrial and fundamental research applications. Copper surfaces are often exposed to …

Atomic-level analysis of unusual mechanical and failure behaviors in compositionally graded nanowires: A molecular dynamics study

DTH Hue, N Van Lam, VH Dinh, TG Nguyen, TQ Bui - Vacuum, 2024 - Elsevier
Compositionally graded materials have emerged at the frontier of science involving material
science, engineering, physics, and chemistry due to their unusual and tunable material …

Study of thermal diffusivity degradation on Cu-OFE copper due to proton and self-ion irradiation using in situ transient grating spectroscopy

E Trachanas, A Wylie, A Bignami, N Gazis… - Journal of Nuclear …, 2025 - Elsevier
The operation of next-generation particle accelerator facilities with increased beam power
parameters and emphasis on performance and reliability signifies the need for experimental …

In-situ study on the differential evolution of He bubbles in the multilayer oxide of Fe9Cr1. 5W0. 4Si F/M steel corroded in lead-bismuth eutectic

D Cui, S Cong, Z Cao, F Yuan, G Ran - Journal of Nuclear Materials, 2025 - Elsevier
The combined effects of corrosion and irradiation on nuclear components have been an
important but not yet fully revealed topic. Here, the irradiation behavior of the oxide scale …

Dynamic response of He bubbles in Fe9Cr1. 5W0. 4Si F/M steel under in-situ stepwise nanocompression

D Cui, Y Ding, Y Li, K Pei, Z Cao, M Cao… - Journal of Nuclear …, 2024 - Elsevier
Inert-gas bubbles in metals have attracted great attention due to their fundamental role in
swelling and degradation of materials. Studies of bubble behavior can provide valuable …