Random critical point separates brittle and ductile yielding transitions in amorphous materials
We combine an analytically solvable mean-field elasto-plastic model with molecular
dynamics simulations of a generic glass former to demonstrate that, depending on their …
dynamics simulations of a generic glass former to demonstrate that, depending on their …
Elucidating the G ″overshoot in soft materials with a yield transition via a time-resolved experimental strain decomposition
Materials that exhibit yielding behavior are used in many applications, from spreadable
foods and cosmetics to direct write three-dimensional printing inks and filled rubbers. Their …
foods and cosmetics to direct write three-dimensional printing inks and filled rubbers. Their …
Size-dependent mechanical responses of metallic glasses
Y Shi - International Materials Reviews, 2019 - Taylor & Francis
Metallic glasses (MGs) are arguably one of the most exciting metallic systems in the past 30
years, attracting significant research effort and undergoing rapid development. Parallel to …
years, attracting significant research effort and undergoing rapid development. Parallel to …
Glass stability changes the nature of yielding under oscillatory shear
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 …
on its yielding transition under oscillatory shear. We use swap Monte Carlo to investigate a …
The role of annealing in determining the yielding behavior of glasses under cyclic shear deformation
Yielding behavior in amorphous solids has been investigated in computer simulations using
uniform and cyclic shear deformation. Recent results characterize yielding as a …
uniform and cyclic shear deformation. Recent results characterize yielding as a …
Elastoplastic description of sudden failure in athermal amorphous materials during quasistatic loading
The response of amorphous materials to an applied strain can be continuous or instead
discontinuous if the initial configuration is very stable. We study theoretically how such a …
discontinuous if the initial configuration is very stable. We study theoretically how such a …
A stability-reversibility map unifies elasticity, plasticity, yielding, and jamming in hard sphere glasses
Amorphous solids, such as glasses, have complex responses to deformations, with
substantial consequences in material design and applications. In this respect, two …
substantial consequences in material design and applications. In this respect, two …
Time-resolved dynamics of the yielding transition in soft materials
GJ Donley, JR de Bruyn, GH McKinley… - Journal of Non-Newtonian …, 2019 - Elsevier
A rigorously-defined method that maps and quantifies the time-resolved dynamical yielding
process of elastoviscoplastic materials is proposed and investigated. Building on the …
process of elastoviscoplastic materials is proposed and investigated. Building on the …
Reaching the yield point of a glass during x-ray irradiation
A solid loaded beyond the yield stress loses its elastic properties and becomes plastic. From
a microscopic point of view, this limit corresponds to the condition where plastic regions …
a microscopic point of view, this limit corresponds to the condition where plastic regions …
Strain localization above the yielding point in cyclically deformed glasses
ADS Parmar, S Kumar, S Sastry - Physical Review X, 2019 - APS
We study the yielding behavior of a model glass under cyclic athermal quasistatic
deformation and at finite rate and temperature, computationally, and show that yielding is …
deformation and at finite rate and temperature, computationally, and show that yielding is …