[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 …

Irradiation induced creep in nanocrystalline high entropy alloys

GS Jawaharram, CM Barr, AM Monterrosa, K Hattar… - Acta Materialia, 2020 - Elsevier
Irradiation induced creep (IIC) compliance in NiCoFeCrMn high entropy alloys is measured
as a function of grain size (30< x< 80 nm) and temperature (23–500° C). For 2.6 MeV Ag 3+ …

In-situ TEM irradiation creep experiment revealing radiation induced dislocation glide in pure copper

N Khiara, F Onimus, S Jublot-Leclerc, T Jourdan… - Acta Materialia, 2021 - Elsevier
In-situ TEM straining experiments were performed on pure copper to investigate the
dislocation activity under heavy ion irradiation and high applied stress levels. The unpinning …

Possibility of an integrated transmission electron microscope: enabling complex in-situ experiments

K Hattar, KL Jungjohann - Journal of Materials Science, 2021 - Springer
Multimodal in-situ experiments are the wave of the future, as this approach will permit
multispectral data collection and analysis during real-time nanoscale observation. In …

In-situ observation of an irradiation creep deformation mechanism in zirconium alloys

M Gaumé, P Baldo, F Mompiou, F Onimus - Scripta materialia, 2018 - Elsevier
We report an original experimental study on a zirconium alloy deformed in situ under ion
irradiation and applied stress inside a Transmission Electron Microscope. We observe that …

Characterization of mechanical property degradation of ion-irradiated materials

L Mei, X Guo, K ** - Frontiers in Materials, 2022 - frontiersin.org
Evaluating the degradation of mechanical properties under irradiation is crucial for nuclear
structural materials. Although ion irradiations have been commonly used for fundamental …

Thermally stable nanotwins: new heights for Cu mechanics

TEJ Edwards, N Rohbeck, E Huszár… - Advanced …, 2022 - Wiley Online Library
Nanocrystalline and nanotwinned materials achieve exceptional strengths through small
grain sizes. Due to large areas of crystal interfaces, they are highly susceptible to grain …

Exploring Coupled Extreme Environments via In-situ Transmission Electron Microscopy

RJ Parrish, DC Bufford, DM Frazer, CA Taylor… - Microscopy …, 2021 - academic.oup.com
In-situ transmission electron microscopy (TEM) provides an avenue to explore time-
dependent nanoscale material changes induced by a wide range of environmental …

An interface nucleation rate limited sintering kinetic model applied to in situ sintering Al2O3-SmAlO3 composites

SJ Dillon, Y Ma, E Lang, J Ouyang, K Hattar - Journal of the European …, 2023 - Elsevier
A nucleation rate limited sintering model was recently developed based on observations of
bicrystal sintering. This work validates the applicability of this model for sintering of …

Mechanical behavior of InP twinning superlattice nanowires

Z Liu, I Papadimitriou, M Castillo-Rodríguez… - Nano Letters, 2019 - ACS Publications
Taper-free InP twinning superlattice (TSL) nanowires with an average twin spacing of∼ 13
nm were grown along the zinc-blende close-packed [111] direction using metalorganic …