[HTML][HTML] Atomic force microscopy study of discrete dislocation pile-ups at grain boundaries in bi-crystalline micro-pillars

X Chen, T Richeton, C Motz, S Berbenni - Crystals, 2020 - mdpi.com
… with FEI Versa 3D Dual Beam system (Hillsboro, OR, USA) using ion beam currents of 15
nA for … The microstructures of the micro-pillars are presented by IPF in Figure 1a for Ni and in …

A fundamental understanding of how dislocation densities affect strain hardening behavior in copper single crystalline micropillars

D Xie, MJ Chen, J Gigax, D Luscher, J Wang… - Mechanics of …, 2023 - Elsevier
effects of various dislocation junctions, micropillars with dimensions of 7.5 μm in diameter and
15 μm in height were prepared in a focused ion beam … FIB-induced damage was minimized…

[HTML][HTML] Increase of twinning stress in single crystalline Ni-Mn-Ga micropillars

D Musiienko, J Kopeček, RH Colman, K Ullakko… - Materialia, 2024 - Elsevier
… A series of micropillars with varying initial … oriented Ni-Mn-Ga single crystals by focused ion
beam milling. We successfully reduced the twinning stress of the as-prepared micropillars by …

[HTML][HTML] The role of incoherent twin boundaries on the plasticity of Cu micropillars

R Hosseinabadi, A Brognara, C Kirchlechner, JP Best… - Materials & Design, 2023 - Elsevier
… Using annular Ga focused ion beam (FIB) milling at 30 kV, two sets of pillars were produced
with differing compression directions. The first set of pillars was milled on the film surface, …

The influence of nano/micro sample size on the strain-rate sensitivity of plastic flow in tungsten

P Srivastava, K Jiang, Y Cui, E Olivera… - … Journal of Plasticity, 2021 - Elsevier
… using the Focused Ion Beam (FIB) method with a gallium ion … cylindrical micropillars, whereas
for dog-bone micropillars, slip … This work may lead to new ideas to eliminate the effect of …

Strengthening effect of grain and twin boundaries in zirconium bi-crystal micropillars

J Singh, S Chakrabarty, P Pant - Philosophical Magazine Letters, 2021 - Taylor & Francis
… In this work, the effect of crystallographic orientations and the strengthening due to … micropillars
of pure zirconium (Zr) with ≥99.9% purity. Micropillars fabricated using focused ion beam

[HTML][HTML] Ferroelastic and plastic behaviors in pseudo-single crystal micropillars of nontransformable tetragonal zirconia

H Masuda, K Morita, M Watanabe, T Hara, H Yoshida… - Acta Materialia, 2021 - Elsevier
… stress-induced phase transformation, were characterized via pseudo-single crystal micropillar
… Dense and cylindrical micropillars were fabricated using a focused ion beam from pseudo-…

Temperature dependent plasticity in BCC micropillars

NK Aragon, S Yin, H Lim - Materialia, 2021 - Elsevier
… roughness introduced by focused ion beam milling in experiments. It is assumed that the
number of nucleation sites is proportional to the surface area of the micropillar. Regarding the …

Strain rate-induced plasticity in bcc β-Ti alloy single crystal micropillars containing brittle ω-precipitates

W Chen, Z Huang, S Cao, Y Pan, M Huang, Q Hu… - Materials & Design, 2018 - Elsevier
… 3 mm was selected for micropillar fabrication. The crystallographic … micropillars with 1
μm diameter were fabricated employing a Helios Nano Lab 600 dual-beam focused ion beam

Nanoindentation experiment and crystal plasticity study on the mechanical behavior of Fe-ion-irradiated A508-3 steel

P Lin, J Nie, M Liu - Journal of Nuclear Materials, 2022 - Elsevier
This study investigates the mechanical properties of A508-3 steel irradiated with Fe ions to
0.1, 0.4, 2.0, and 5.0 dpa at 20, 100, and 300 C using a nanoindentation experiment and …