Revealing nanoscale strain mechanisms in ion-irradiated multilayers

N Daghbouj, HS Sen, M Callisti, M Vronka, M Karlik… - Acta Materialia, 2022 - Elsevier
Tailoring interfaces is a powerful way of reducing the accumulation of radiation defects.
Understanding strain evolution induced by ion bombardment in nuclear materials with high …

Toward accurate evaluation of bulk hardness from nanoindentation testing at low indent depths

P Zhu, Y Zhao, S Agarwal, J Henry, SJ Zinkle - Materials & Design, 2022 - Elsevier
Estimations of bulk hardness from nanoindentation are frequently subject to considerable
uncertainties due to indentation size effects (ISE), pileup effects, and potential influence of …

Methodological comment on the nanoindentation of ion-irradiation hardened materials

P Haušild - Journal of Nuclear Materials, 2021 - Elsevier
This paper is dedicated to the discussion of some issues connected with the commonly
applied methods to analyze radiation hardening using nanoindentation on ion-irradiated …

[HTML][HTML] Size dependence of micro-scale mechanical properties on heavy-ion irradiated tempered-martensitic steel evaluated through nanoindentation and micropillar …

D Geng, H Yu, M Ando, H Tanigawa, H Kurotaki… - Journal of Nuclear …, 2024 - Elsevier
The size dependence of microscale mechanical properties is crucial for evaluating
irradiation hardening using nanoindentation and micropillar compression tests. To predict …

Effect of radiation defects on the early stages of nanoindentation tests in bcc Fe and Fe-Cr alloys

A Bakaev, J Zhao, D Terentyev, G Bonny… - Computational Materials …, 2022 - Elsevier
Classical molecular dynamics (MD) simulations of nanoindentation tests are performed in
defect-free at 300, 600 and 1000 K and defected crystals at 300 and 600 K of pure Fe and …

Irradiation hardening of WK-based PFM exposed to 14 MeV protons

P Wen, X Hu, C Fan, Y Tan, W Qiu, T Zhao, S Li… - Fusion Engineering and …, 2023 - Elsevier
W-based alloys are perceived as one of the most promising plasma-facing materials (PFMs).
During the service of fusion reactors, W-based PFMs will be exposed to 14 MeV fusion …

A model to evaluate the radiation-hardening in shallow ion-irradiated metallic materials

Y Zhang, J Wang, B Ma, Q Zhan, L Luo, Y Wu - Nuclear Instruments and …, 2024 - Elsevier
In this study, we propose a model to assess the nanoindentation hardness of shallow ion-
irradiated materials. The new model is built upon two factors: 1) the contribution of the …

[HTML][HTML] Mechanical properties of self-ion irradiated pure tungsten using nano-indentation test and micro-tensile test

JH Yu, H Kurotaki, M Ando, T Nozawa - Nuclear Materials and Energy, 2022 - Elsevier
The existing nano-indentation method and developmental micro-tensile testing method are
more attractive in accurately defining the irradiation effect on the mechanical behavior and …

[HTML][HTML] Nanoindentation applied to ion-irradiated and neutron-irradiated Fe-9Cr and Fe-9Cr-NiSiP model alloys

F Bergner, C Kaden, A Das, S Merino… - Journal of Applied …, 2022 - pubs.aip.org
Nanoindentation of ion-irradiated materials has attracted much interest as a tool envisaged
to derive the dose dependence of bulk-equivalent hardness from small samples. A major …

Mechanical properties and phase transition of tungsten with edge dislocation under intensively-electronic excitation

JR Wang, BC Pan - Journal of Nuclear Materials, 2022 - Elsevier
Under intensive irradiation of ultrafast laser and swift ions, a metal material like tungsten is
not in electronic ground state but in excited states. In the excited states, the properties of …