Rate-dependent mechanical behavior of single-, bi-, twinned-, and poly-crystals of CoCrFeNi high-entropy alloy

S Wei, Y Zhao, J Jang, U Ramamurty - Journal of Materials Science & …, 2022 - Elsevier
While considerable effort is made to understand the solid solution strengthening on the
deformation behavior of high-entropy alloys (HEAs), relatively little attention is paid to the …

Nanostructure and surface effects on yield in Cu nanowires

ZX Wu, YW Zhang, MH Jhon, JR Greer, DJ Srolovitz - Acta Materialia, 2013 - Elsevier
The yield strengths of nanomaterials are highly sensitive to their internal and surface
structures. However, it is difficult to identify a priori which structural feature will govern plastic …

[HTML][HTML] Strengthening of 3D printed Cu micropillar in Cu-Ni core-shell structure

M Jain, A Sharma, P Schürch, NM Della Ventura… - Materials & Design, 2023 - Elsevier
Direct printing of complex 3D structures at the nano-and microscale is a promising technique
for MEMS devices, small-scale sensors, and actuators. So far, most studies have been …

Higher compressive strengths and the Bauschinger effect in conformally passivated copper nanopillars

AT Jennings, C Gross, F Greer, ZH Aitken, SW Lee… - Acta Materialia, 2012 - Elsevier
Our current understanding of size-dependent strength in nano-and microscale crystals is
centered around the idea that the overall strength is determined by the stress required to …

[HTML][HTML] Size-dependent strengthening in multi-principal element, face-centered cubic alloys

Y Xiao, Y Zou, AS Sologubenko, R Spolenak… - Materials & Design, 2020 - Elsevier
Multi-principal element (MPE) alloys, sometimes also known as high entropy, complex
concentration or multicomponent alloys, have attracted significant attention due to their …

Coupled size and temperature effects on intermittent plasticity of BCC micro-crystals

P Zhang, P Cheng, J Zhang, G Liu, J Weiss, J Sun - Acta Materialia, 2023 - Elsevier
The intermittent plasticity of pure Mo microcrystals with diameters from 500 to 3500 nm was
studied using micro-pillar compression methodology at temperatures ranging from 25° C to …

Modeling dislocation nucleation strengths in pristine metallic nanowires under experimental conditions

AT Jennings, CR Weinberger, SW Lee, ZH Aitken… - Acta materialia, 2013 - Elsevier
The nature of dislocation sources in small-scale metals is critical to understanding and
building models of size-dependent crystalline strength at the nanoscale. Pre-existing …

Strengthening and deformation mechanisms in nanolaminated single-walled carbon nanotube-aluminum composites

Y Shi, L Zhao, Z Li, Z Li, DB Xiong, Y Su… - Materials Science and …, 2019 - Elsevier
Single-walled carbon nanotubes (SWCNTs) have excellent intrinsic mechanical properties
and would not suffer from inter-layer sliding as their multi-walled counterparts, making them …

Effect of strain on the stacking fault energy of copper: a first-principles study

PS Branicio, JY Zhang, DJ Srolovitz - Physical Review B, 2013 - APS
The intrinsic stacking fault energy (SFE) of copper under volumetric, longitudinal, and shear
strains is investigated using density functional theory (GGA-PBE). Calculations are …

Intrinsic and extrinsic size effects on deformation in nanolayered Cu/Zr micropillars: From bulk-like to small-volume materials behavior

JY Zhang, S Lei, J Niu, Y Liu, G Liu, X Zhang, J Sun - Acta Materialia, 2012 - Elsevier
By using microcompression methodology, deformation of nanolayered Cu/Zr micropillars
was systematically investigated within wide ranges of intrinsic layer thickness (5–100nm) …