The energy landscape governs ductility in disordered materials
Based on their structure, non-crystalline phases can fail in a brittle or ductile fashion.
However, the nature of the link between structure and propensity for ductility in disordered …
However, the nature of the link between structure and propensity for ductility in disordered …
Models for the yielding behavior of amorphous solids
S Sastry - Physical Review Letters, 2021 - APS
Investigations of plastic deformation and yielding of amorphous solids reveal a strong
dependence of their yielding behavior on the degree of annealing. Above a threshold …
dependence of their yielding behavior on the degree of annealing. Above a threshold …
Role of fluctuations in the yielding transition of two-dimensional glasses
We numerically study yielding in two-dimensional glasses which are generated with a very
wide range of stabilities by swap Monte Carlo simulations and then slowly deformed at zero …
wide range of stabilities by swap Monte Carlo simulations and then slowly deformed at zero …
Interplay of rearrangements, strain, and local structure during avalanche propagation
Jammed soft disks exhibit avalanches of particle rearrangements under quasistatic shear.
We introduce a framework for understanding the statistics of the progression of avalanches …
We introduce a framework for understanding the statistics of the progression of avalanches …
Microscopic precursors of failure in soft matter
L Cipelletti, K Martens, L Ramos - Soft matter, 2020 - pubs.rsc.org
The mechanical properties of soft matter are of great importance in countless applications, in
addition of being an active field of academic research. Given the relative ease with which …
addition of being an active field of academic research. Given the relative ease with which …
Scaling description of creep flow in amorphous solids
Amorphous solids such as coffee foam, toothpaste, or mayonnaise display a transient creep
flow when a stress Σ is suddenly imposed. The associated strain rate is commonly found to …
flow when a stress Σ is suddenly imposed. The associated strain rate is commonly found to …
Finite-size study of the athermal quasistatic yielding transition in structural glasses
Upon external mechanical loading, amorphous solids, such as foams, colloids, or molecular
glasses, exhibit a yielding transition from an elastic response at small deformations to a …
glasses, exhibit a yielding transition from an elastic response at small deformations to a …
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 …
Finite-size effects in the nonphononic density of states in computer glasses
E Lerner - Physical Review E, 2020 - APS
The universal form of the density of nonphononic, quasilocalized vibrational modes of
frequency ω in structural glasses, D (ω), was predicted theoretically decades ago, but only …
frequency ω in structural glasses, D (ω), was predicted theoretically decades ago, but only …
Avalanche dynamics in sheared athermal particle packings occurs via localized bursts predicted by unstable linear response
E Stanifer, ML Manning - Soft Matter, 2022 - pubs.rsc.org
Under applied shear strain, granular and amorphous materials deform via particle
rearrangements, which can be small and localized or organized into system-spanning …
rearrangements, which can be small and localized or organized into system-spanning …