Role of void shape on shock responses of nanoporous metallic glasses via molecular dynamics simulation
W Song, Y Yu, Y Guan - International Journal of Mechanical Sciences, 2022 - Elsevier
The void shape significantly affects the mechanical properties of nanoporous metallic
glasses (NPMGs) under conventional loading. However, how the shock responses of …
glasses (NPMGs) under conventional loading. However, how the shock responses of …
Observation of cavitation governing fracture in glasses
LQ Shen, JH Yu, XC Tang, BA Sun, YH Liu, HY Bai… - Science …, 2021 - science.org
Crack propagation is the major vehicle for material failure, but the mechanisms by which
cracks propagate remain longstanding riddles, especially for glassy materials with a long …
cracks propagate remain longstanding riddles, especially for glassy materials with a long …
A general finite element based non-local theory for the medium-long-range correlation of metallic glasses
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 …
biophysics to compress a large number of interacting multi-body problems into an effective …
Temperature and strain rate sensitivity of yield strength of amorphous polymers: Characterization and modeling
M Yang, W Li, P Dong, Y Ma, Y He, Z Zhao, L Chen - Polymer, 2022 - Elsevier
This study aimed to quantitatively characterize and model the evolution of yield strength of
amorphous polymers with temperature and strain rate with an emphasis on temperature …
amorphous polymers with temperature and strain rate with an emphasis on temperature …
Tuning the mechanical properties of cellular metallic glasses
WH Lin, CM She, CY Zhang, PS Branicio… - International Journal of …, 2022 - Elsevier
The mechanical properties of cellular metallic glasses (MGs) are governed by the shape of
their cellular structures. We employ finite element method analysis to characterize the …
their cellular structures. We employ finite element method analysis to characterize the …
Crack tip cavitation in metallic glasses
Metallic glasses (MGs) are potential engineering materials, however their ductility is
currently a limiting factor. Despite significant attempts to improve their fracture toughness …
currently a limiting factor. Despite significant attempts to improve their fracture toughness …
Gradient-enhanced modelling of deformation-induced anisotropic damage in metallic glasses
Recent experimental and computational studies at different scales reveal an apparent flow-
induced anisotropy of the inelastic deformation behaviour in metallic glasses (MGs) …
induced anisotropy of the inelastic deformation behaviour in metallic glasses (MGs) …
A micromechanics-based framework to predict transitions between dimple and cup-cone fracture modes in shocked metallic glasses
In an earlier work (Tang et al., 2020), we derived evolution equations governing dynamic
void growth in amorphous materials with a number of idealizing assumptions. Here, we …
void growth in amorphous materials with a number of idealizing assumptions. Here, we …
Onset of dynamic void coalescence in porous ductile solids
ZG Liu, WH Wong, TF Guo - International Journal of Plasticity, 2024 - Elsevier
This paper investigates void growth and coalescence in porous ductile solids under dynamic
loading condition. A physical definition for the onset of void coalescence in porous ductile …
loading condition. A physical definition for the onset of void coalescence in porous ductile …
Unraveling the threshold stress of structural rejuvenation of metallic glasses via thermo-mechanical creep
The competition between physical aging and structural rejuvenation determines the physical
and mechanical properties of glassy materials. Thus, the rejuvenation-aging boundary must …
and mechanical properties of glassy materials. Thus, the rejuvenation-aging boundary must …