A hierarchically correlated flow defect model for metallic glass: Universal understanding of stress relaxation and creep

Q Hao, GJ Lyu, E Pineda, JM Pelletier, YJ Wang… - International Journal of …, 2022 - Elsevier
Due to the structurally disordered arrangement of atoms and deviation from thermodynamic
equilibrium, the physical and mechanical properties of metallic glasses can vary with time …

Thermomechanical coupling in glassy polymers: An effective temperature theory

R Xiao, C Tian, Y Xu, P Steinmann - International Journal of Plasticity, 2022 - Elsevier
Glassy polymers exhibit a strong thermomechanical coupling when subjected to mechanical
loading. A homogeneous strain distribution can be achieved in uniaxial compression …

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 …

Unravelling physical origin of the Bauschinger effect in glassy polymers

P Zhu, J Lin, R Xiao, H Zhou - Journal of the Mechanics and Physics of …, 2022 - Elsevier
Pre-deformed glassy polymers exhibit distinct stress responses with opposite loading
directions, referred to as the Bauschinger effect. Although this phenomenon has been …

Structural mechanisms of enhanced mechanical property in ZrCu metallic glass at low temperatures

M Li, Y Zhou, P Wang, B Malomo, L Yang - International Journal of …, 2023 - Elsevier
The application of traditional crystalline materials as structural materials cannot meet critical
design challenges due to low-temperature brittleness. To address this issue, this study …

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 …

Spatial clustering of microscopic dynamics governs the slip avalanche of sheared granular materials

J Mei, G Ma, L Tang, K Gao, W Cao, W Zhou - International Journal of …, 2023 - Elsevier
Establishing quantifiable links between individual-particle dynamics and macroscopic
response of granular materials has been a longstanding challenge, with implications in …

A scheme for achieving strength-ductility trade-off in metallic glasses

M Li, P Wang, B Malomo, L Yang - International Journal of Plasticity, 2023 - Elsevier
The strength-ductility paradox in structural materials remains a long-standing dilemma in
advanced materials synthesis. Metallic glasses (MGs) that are structural materials of …

History dependent plasticity of glass: A mapping between atomistic and elasto-plastic models

DF Castellanos, S Roux, S Patinet - Acta Materialia, 2022 - Elsevier
Mesoscale elasto-plastic models, with statistically distributed structural properties and elastic
coupling between discrete blocks, have been shown to quantitatively reproduce the main …

A constitutive model for metallic glasses based on two-temperature nonequilibrium thermodynamics

W Rao, Y Chen, LH Dai - International Journal of Plasticity, 2022 - Elsevier
We develop a new finite deformation constitutive model for metallic glass within the
framework of irreversible nonequilibrium thermodynamics. To consider the intrinsically out-of …