A highly accurate methodology for the prediction and correlation of mechanical properties based on the slimness ratio of additively manufactured tensile test …
Additive manufacturing has been established as a process to produce structural and load-
bearing parts, and this process has become attractive to many industries such as medical …
bearing parts, and this process has become attractive to many industries such as medical …
Plastic Avalanches in Metal–Organic Framework Crystals Due to the Dynamic Phase Mixing
J Zhang, J Ke, B Wang, X Chen - ACS Applied Materials & …, 2023 - ACS Publications
The compressive properties of metal–organic framework (MOF) crystals are not only crucial
for their densification process but also key in determining their performance in many …
for their densification process but also key in determining their performance in many …
Landau-type theory of planar crystal plasticity
We show that nonlinear continuum elasticity can be effective in modeling plastic flows in
crystals if it is viewed as a Landau theory with an infinite number of equivalent energy wells …
crystals if it is viewed as a Landau theory with an infinite number of equivalent energy wells …
Compressive deformation of Fe nanopillar at high strain rate: Modalities of dislocation dynamics
A Dutta - Acta Materialia, 2017 - Elsevier
Unlike the twinning-dominated tensile mode, compressive deformation of a bcc metallic
nanostructure is known to be mediated by the glide of screw dislocations. Although the …
nanostructure is known to be mediated by the glide of screw dislocations. Although the …
Deformation and failure of curved colloidal crystal shells
Designing and controlling particle self-assembly into robust and reliable high-performance
smart materials often involves crystalline ordering in curved spaces. Examples include …
smart materials often involves crystalline ordering in curved spaces. Examples include …
Atomistic mechanisms of intermittent plasticity in metals: Dislocation avalanches and defect cluster pinning
T Niiyama, T Shimokawa - Physical Review E, 2015 - APS
Intermittent plastic deformation in crystals with power-law behaviors has been reported in
previous experimental studies. The power-law behavior is reminiscent of self-organized …
previous experimental studies. The power-law behavior is reminiscent of self-organized …
Dynamic hysteresis in cyclic deformation of crystalline solids
L Laurson, MJ Alava - Physical review letters, 2012 - APS
The hysteresis or internal friction in the deformation of crystalline solids stressed cyclically is
studied from the viewpoint of collective dislocation dynamics. Stress-controlled simulations …
studied from the viewpoint of collective dislocation dynamics. Stress-controlled simulations …
Barrier effect of grain boundaries on the avalanche propagation of polycrystalline plasticity
T Niiyama, T Shimokawa - Physical Review B, 2016 - APS
To investigate the barrier effect of grain boundaries on the propagation of avalanchelike
plasticity at the atomic scale, we perform three-dimensional molecular dynamics simulations …
plasticity at the atomic scale, we perform three-dimensional molecular dynamics simulations …
Micromechanics of emergent patterns in plastic flows
Crystalline solids undergo plastic deformation and subsequently flow when subjected to
stresses beyond their elastic limit. In nature most crystalline solids exist in polycrystalline …
stresses beyond their elastic limit. In nature most crystalline solids exist in polycrystalline …
Avalanches, plasticity, and ordering in colloidal crystals under compression
Using numerical simulations we examine colloids with a long-range Coulomb interaction
confined in a two-dimensional trough potential undergoing dynamical compression. As the …
confined in a two-dimensional trough potential undergoing dynamical compression. As the …