[HTML][HTML] Recent advances in nanomechanical and in situ testing techniques: Towards extreme conditions

D Kiener, M Wurmshuber, M Alfreider… - Current Opinion in Solid …, 2023 - Elsevier
Nanoindentation based techniques were significantly enhanced by continuous stiffness
monitoring capabilities. In essence, this allowed to expand from point-wise discrete …

[HTML][HTML] Roadmap for focused ion beam technologies

K Höflich, G Hobler, FI Allen, T Wirtz, G Rius… - Applied Physics …, 2023 - pubs.aip.org
The focused ion beam (FIB) is a powerful tool for fabrication, modification, and
characterization of materials down to the nanoscale. Starting with the gallium FIB, which was …

Grain boundary softening from stress assisted helium cavity coalescence in ultrafine-grained tungsten

WS Cunningham, Y Zhang, SL Thomas, O El-Atwani… - Acta Materialia, 2023 - Elsevier
The formation of helium cavities in coarse-grained materials produces hardening
proportional to the number density and size of the cavities and due to the interaction of …

[HTML][HTML] Tuning mechanical properties of ultrafine-grained tungsten by manipulating grain boundary chemistry

M Wurmshuber, S Jakob, S Doppermann, S Wurster… - Acta materialia, 2022 - Elsevier
Tungsten is, due to a combination of high strength and good physical properties, frequently
considered for high-performance applications in the harshest environments. Oftentimes its …

[HTML][HTML] Mechanical performance of doped W–Cu nanocomposites

M Wurmshuber, M Burtscher, S Doppermann… - Materials Science and …, 2022 - Elsevier
Nanocomposite materials containing a soft and hard metal phase are a promising strategy to
combine ultra-high strength, ductility and fracture toughness. However, given the rather …

A Brief Review on He Ion Irradiation Research of Steel and Iron-Based Alloys in Nuclear Power Plants

S Qiu, H Liu, M Jiang, S Min, Y Gu, Q Wang… - Acta Metallurgica Sinica …, 2023 - Springer
Nuclear power plays a key role as renewable energy in alleviating the worldwide energy
shortage. The material degradation caused by high-temperature and high-flux neutron …

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 …

[HTML][HTML] Study of the Mechanisms of Radiation Softening and Swelling upon Irradiation of TiTaNbV Alloys with He2+ Ions with an Energy of 40 keV

SG Giniyatova, KK Kadyrzhanov, DI Shlimas… - Materials, 2023 - mdpi.com
This paper presents simulation results of the ionization losses of incident He2+ ions with an
energy of 40 keV during the passage of incident ions in the near-surface layer of alloys …

[HTML][HTML] Exploring the Impact of Pre-existing Helium Bubbles on Nanoindentation in Tungsten Through Molecular Dynamics Simulation

P Lin, J Nie, S Cui, W Cui, L He, G Xiao, Y Lu - Journal of Materials …, 2024 - Elsevier
Gaining insight into the underlying mechanisms driving nanoindentation-induced behavior
in tungsten is essential for comprehending its mechanical properties. Although the plasticity …

Lithiation-induced swelling of electrodes

F Yang - Journal of Energy Storage, 2024 - Elsevier
Understanding the correlation between the deformation field and the diffusion of lithium in
electrode materials can provide the knowledge of the effects of materials constants on the …