Beyond the average: spatial and temporal fluctuations in oxide glass-forming systems

KA Kirchner, DR Cassar, ED Zanotto, M Ono… - Chemical …, 2022 - ACS Publications
Atomic structure dictates the performance of all materials systems; the characteristic of
disordered materials is the significance of spatial and temporal fluctuations on composition …

Achieving strength-ductility synergy in metallic glasses via electric current-enhanced structural fluctuations

H Ding, P Gong, W Chen, Z Peng, H Bu… - International Journal of …, 2023 - Elsevier
Structural applications of metallic glasses are limited by their room-temperature brittleness
and strain-softening, associated with the extreme localization of plastic flow in shear bands …

A critical review on metallic glasses as structural materials for cardiovascular stent applications

M Jafary-Zadeh, G Praveen Kumar, PS Branicio… - Journal of functional …, 2018 - mdpi.com
Functional and mechanical properties of novel biomaterials must be carefully evaluated to
guarantee long-term biocompatibility and structural integrity of implantable medical devices …

Glass stability changes the nature of yielding under oscillatory shear

WT Yeh, M Ozawa, K Miyazaki, T Kawasaki, L Berthier - Physical review letters, 2020 - APS
We perform molecular dynamics simulations to investigate the effect of a glass preparation
on its yielding transition under oscillatory shear. We use swap Monte Carlo to investigate a …

Brittle-to-ductile transition in metallic glass nanowires

D Sopu, A Foroughi, M Stoica, J Eckert - Nano letters, 2016 - ACS Publications
When reducing the size of metallic glass samples down to the nanoscale regime,
experimental studies on the plasticity under uniaxial tension show a wide range of failure …

Strong and ductile nanolaminate composites combining metallic glasses and nanoglasses

ZD Sha, PS Branicio, HP Lee, TE Tay - International Journal of Plasticity, 2017 - Elsevier
The proven superior ductility of nanoglasses (NGs) makes them a promising second phase
for metallic glass (MG) matrix composites. Here we evaluate the mechanical properties of …

Metallic glass-based chiral nanolattice: Light weight, auxeticity, and superior mechanical properties

ZD Sha, CM She, GK Xu, QX Pei, ZS Liu, TJ Wang… - Materials Today, 2017 - Elsevier
Metallic glasses (MGs) possess large elastic limit and high strength, but unfortunately they
are of limited commercial utility due to their macroscopic brittle nature. Here, we report that a …

Atomistic origin of size effects in fatigue behavior of metallic glasses

Z Sha, WH Wong, Q Pei, PS Branicio, Z Liu… - Journal of the …, 2017 - Elsevier
While many experiments and simulations on metallic glasses (MGs) have focused on their
tensile ductility under monotonic loading, the fatigue mechanisms of MGs under cyclic …

Mechanical properties of nanoporous metallic glasses: Insights from large-scale atomic simulations

WH Lin, Y Teng, ZD Sha, SY Yuan… - International Journal of …, 2020 - Elsevier
While recent attention has been directed towards fabricating porous metallic glasses (MGs)
with a wide range of pore sizes varying from nanometer to micrometer owing to their unique …

Mean-field theory of yielding under oscillatory shear

JT Parley, S Sastry, P Sollich - Physical Review Letters, 2022 - APS
We study a mean field elastoplastic model, embedded within a disordered landscape of
local yield barriers, to shed light on the behavior of athermal amorphous solids subject to …