Brittle yielding of amorphous solids at finite shear rates
Amorphous solids display a ductile to brittle transition as the kinetic stability of the quiescent
glass is increased, which leads to a material failure controlled by the sudden emergence of …
glass is increased, which leads to a material failure controlled by the sudden emergence of …
Yielding, shear banding, and brittle failure of amorphous materials
J Pollard, SM Fielding - Physical Review Research, 2022 - APS
Widespread processes in nature and technology are governed by the dynamical transition
whereby a material in an initially solid-like state, whether soft or hard, then yields. Major …
whereby a material in an initially solid-like state, whether soft or hard, then yields. Major …
Ductile and brittle yielding in thermal and athermal amorphous materials
We study theoretically the yielding of sheared amorphous materials as a function of
increasing levels of initial sample annealing prior to shear, in three widely used constitutive …
increasing levels of initial sample annealing prior to shear, in three widely used constitutive …
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 …
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 …
The yielding transition in amorphous solids under oscillatory shear deformation
Amorphous solids are ubiquitous among natural and man-made materials. Often used as
structural materials for their attractive mechanical properties, their utility depends critically on …
structural materials for their attractive mechanical properties, their utility depends critically on …
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 …
Metastability as a mechanism for yielding in amorphous solids under cyclic shear
We consider the yielding behavior of amorphous solids under cyclic shear deformation and
show that it can be mapped into a random walk in a confining potential with an absorbing …
show that it can be mapped into a random walk in a confining potential with an absorbing …
Amorphous systems in athermal, quasistatic shear
CE Maloney, A Lemaitre - Physical Review E—Statistical, Nonlinear, and Soft …, 2006 - APS
We present results on a series of two-dimensional atomistic computer simulations of
amorphous systems subjected to simple shear in the athermal, quasistatic limit. The …
amorphous systems subjected to simple shear in the athermal, quasistatic limit. The …
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 …
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