Intrinsic and extrinsic size effects on deformation in nanolayered Cu/Zr micropillars: From bulk-like to small-volume materials behavior
By using microcompression methodology, deformation of nanolayered Cu/Zr micropillars
was systematically investigated within wide ranges of intrinsic layer thickness (5–100nm) …
was systematically investigated within wide ranges of intrinsic layer thickness (5–100nm) …
Surface triple junctions govern the strength of a nanoscale solid
YY Zhang, H Xie, LZ Liu, HJ Jin - Physical Review Letters, 2021 - APS
Surface triple junctions (STJs), ie, the termination lines of grain boundaries at solid surface,
are the common line defects in polycrystalline materials. Compared with planar defects such …
are the common line defects in polycrystalline materials. Compared with planar defects such …
Coupled size and temperature effects on intermittent plasticity of BCC micro-crystals
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 …
studied using micro-pillar compression methodology at temperatures ranging from 25° C to …
Obstacles and sources in dislocation dynamics: Strengthening and statistics of abrupt plastic events in nanopillar compression
Mechanical deformation of nanopillars displays features that are distinctly different from the
bulk behavior of single crystals: Yield strength increases with decreasing size and plastic …
bulk behavior of single crystals: Yield strength increases with decreasing size and plastic …
Influence of bulk pre-straining on the size effect in nickel compression pillars
Micro-compression tests were performed on pre-strained nickel (Ni) single crystals in order
to investigate the influence of the initial dislocation arrangement on the size dependence of …
to investigate the influence of the initial dislocation arrangement on the size dependence of …
Alloying effects on the microstructure and mechanical properties of nanocrystalline Cu-based alloyed thin films: Miscible Cu-Ti vs immiscible Cu-Mo
JY Zhang, JT Zhao, XG Li, YQ Wang, K Wu, G Liu… - Acta Materialia, 2018 - Elsevier
Tuning the microstructure to optimize the mechanical performance of nanocrystalline Cu thin
films via the alloying strategy is quite important for their application in microdevices. In this …
films via the alloying strategy is quite important for their application in microdevices. In this …
Ligament size effect in creep of nanoporous gold
Spherical nanoindentation creep tests are conducted on four nanoporous gold samples with
ligament sizes of 30, 103, 417, and 986 nm. We find the ligament-size dependent creep …
ligament sizes of 30, 103, 417, and 986 nm. We find the ligament-size dependent creep …
Ultrahigh temperature in situ transmission electron microscopy based bicrystal coble creep in Zirconia II: Interfacial thermodynamics and transport mechanisms
This work uses a combination of stress dependent single grain boundary Coble creep and
zero-creep experiments to measure interfacial energies, along with grain boundary point …
zero-creep experiments to measure interfacial energies, along with grain boundary point …
Effect of crystal orientation on incipient plasticity during nanoindentation of magnesium
The effect of crystal orientation on incipient plasticity during nanoindentation was
investigated by experiments and molecular statics simulation. Pop-in behavior is a result of …
investigated by experiments and molecular statics simulation. Pop-in behavior is a result of …
Deformation mechanisms in FCC Co dominated by high-density stacking faults
It has been known that twin boundaries dominate the plasticity of nanotwinned metals.
However, the role of stacking faults on the deformation mechanisms in face-centered-cubic …
However, the role of stacking faults on the deformation mechanisms in face-centered-cubic …