Connection between mechanical relaxation and equilibration kinetics in a high-entropy metallic glass

YJ Duan, M Nabahat, Y Tong, L Ortiz-Membrado… - Physical review …, 2024 - APS
The slow transition from an out-of-equilibrium glass towards a supercooled liquid is a
complex relaxation phenomenon. In this Letter, we study the correlation between …

Unraveling the microstructural heterogeneity and plasticity of Zr50Cu40Al10 bulk metallic glass by nanoindentation

K Tao, FC Li, YH Liu, E Pineda, KK Song… - International Journal of …, 2022 - Elsevier
Unraveling the microstructural heterogeneity is an important issue to understand the
physical and mechanical properties of metallic glasses. Structural relaxation below the glass …

Toward atomic-scale understanding of structure-dynamics-properties relations for metallic glasses

ZY Zhou, Q Yang, HB Yu - Progress in Materials Science, 2024 - Elsevier
Disorder and amorphous systems constitute a large body of modern scientific and
technological research, where metallic glasses represent a simple realistic model material …

A Hall-Petch-like relationship linking nanoscale heterogeneity to yield stress of heterogeneous metallic glasses

Y Gu, J Cappola, J Wang, L Li - International Journal of Plasticity, 2023 - Elsevier
Metallic glasses (MGs) undergo plastic deformation through shear transformation zones
(STZs) at small deformations and shear banding at large deformations. The STZ mechanism …

Mechanical memory and relaxation decoupling of metallic glasses in homogenous flow

LT Zhang, YJ Wang, Y Yang, T Wada, H Kato… - International Journal of …, 2024 - Elsevier
Due to the structural information submerged into the meta-stable disordered long-range
structure, quantitative prediction of the time-dependent deformation of metallic glasses …

On the kinetics of structural evolution in metallic glasses

SY Liang, F Zhu, YJ Wang, E Pineda, T Wada… - International Journal of …, 2024 - Elsevier
The classic phenomenological models fail to describe the physical landscape of creep
deformation for amorphous solids. In this paper, creep behavior of typical metallic glasses …

Physics-motivated fractional viscoelasticity model for dynamic relaxation in amorphous solids

F Zhu, GH **ng, GJ Lyu, LT Zhang, YJ Wang… - International Journal of …, 2023 - Elsevier
Dynamic mechanical relaxation is an important metric to understand the
mechanical/physical properties of amorphous solids which are of viscoelastic nature. Due to …

A general finite element based non-local theory for the medium-long-range correlation of metallic glasses

YH Mo, XC Tang, LY Meng, XH Yao - International Journal of Plasticity, 2023 - Elsevier
Mean-field theory is extensively used in statistical physics, solid-state physics, and
biophysics to compress a large number of interacting multi-body problems into an effective …

Structural rejuvenation and relaxation of a metallic glass under the periodically thermal-mechanical loading

SY Liang, LT Zhang, B Wang, YJ Wang, E Pineda… - Intermetallics, 2024 - Elsevier
The current work focuses on effect of the thermomechanical protocol which can lead either
to aging or rejuvenation of glass through decoupling of the thermal and mechanical …

Indentation creep dynamics in metallic glasses under different structural states

K Tao, VA Khonik, JC Qiao - International Journal of Mechanical Sciences, 2023 - Elsevier
In this study, the effects of the structural energy states (as-cast and relaxed) of Zr 50 Cu 40 Al
10 metallic glass were investigated using depth-sensing nanoindentation. In terms of …