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 …

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 Xing, 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 …

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 …

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 …

[HTML][HTML] 基于准点缺陷理论探索非晶合金蠕变机制

徐宗睿, 郝奇, 张浪渟, 乔吉超 - 力学学报, 2022 - lxxb.cstam.org.cn
作为典型多体相互作用非平衡体系, 如何明晰非晶合金多场耦合激励下变形机制,
建立非晶合金变形行为, 流动特性与微观结构特征本征关联始终是非晶合金力学性能的重要研究 …