[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 …

From high-entropy alloys to high-entropy ceramics: The radiation-resistant highly concentrated refractory carbide (CrNbTaTiW) C

MA Tunes, S Fritze, B Osinger, P Willenshofer… - Acta Materialia, 2023‏ - Elsevier
High-entropy materials represent the state-of-the-art on the alloy design strategy for future
applications in extreme environments. Recent data indicates that high-entropy alloys (HEAs) …

[HTML][HTML] Chemical effects on He bubble superlattice formation in high entropy alloys

RW Harrison, G Greaves, H Le, H Bei, Y Zhang… - Current Opinion in Solid …, 2019‏ - Elsevier
The probable formation mechanism of He bubble superlattices relies on long range
anisotropic diffusion of self-interstitial atoms (SIAs). Here we study He ion irradiation of pure …

Helium implantation damage resistance in nanocrystalline W-Ta-V-Cr high entropy alloys

O El-Atwani, A Alvarado, K Unal, S Fensin… - Materials today …, 2021‏ - Elsevier
Abstract Nanocrystalline W-Ta-Cr-V high entropy alloys have shown promising properties as
nuclear fusion materials with enhanced radiation resistance to heavy ion irradiation and …

Thermal stability and irradiation response of nanocrystalline CoCrCuFeNi high-entropy alloy

Y Zhang, MA Tunes, ML Crespillo, F Zhang… - …, 2019‏ - iopscience.iop.org
Grain growth and phase stability of a nanocrystalline face-centered cubic (fcc) Ni 0.2 Fe 0.2
Co 0.2 Cr 0.2 Cu 0.2 high-entropy alloy (HEA), either thermally-or irradiation-induced, are …

Prototypic Lightweight Alloy Design for Stellar‐Radiation Environments

MA Tunes, L Stemper, G Greaves… - Advanced …, 2020‏ - Wiley Online Library
The existing literature data shows that conventional aluminium alloys may not be suitable for
use in stellar‐radiation environments as their hardening phases are prone to dissolve upon …

Establishment of multi-beam irradiation facility at Wuhan University

Y Chen, L Guo, Y Long, Z **e, H Luo, W Lin… - Nuclear Instruments and …, 2022‏ - Elsevier
A multiple ion beam irradiation facility has been established at Wuhan University to simulate
severe irradiation conditions to materials in advanced nuclear energy systems. The platform …

Deviating from the pure MAX phase concept: Radiation-tolerant nanostructured dual-phase Cr2AlC

MA Tunes, M Imtyazuddin, C Kainz, S Pogatscher… - Science …, 2021‏ - science.org
A dual-phase Cr2AlC material was synthesized using magnetron sputtering at a temperature
of 648 K. A stoichiometric and nanocrystalline MAX phase matrix was observed along with …

Radiation resistance and mechanical properties of magnetron-sputtered Cr2AlC thin films

M Imtyazuddin, AH Mir, MA Tunes… - Journal of nuclear …, 2019‏ - Elsevier
Cr 2 AlC MAX phases were deposited using magnetron sputtering. The synthesis was
performed via layer-by-layer deposition from elemental targets onto Si wafer and polished …

In-situ TEM investigation of nano-scale helium bubble evolution in tantalum-doped tungsten at 800° C

I Ipatova, G Greaves, S Pacheco-Gutiérrez… - Journal of Nuclear …, 2021‏ - Elsevier
The aim of this work is to probe the helium-induced defect production and accumulation in
40 keV He+ irradiated polycrystalline W and its alternative alloy W-5wt.% Ta using …