[HTML][HTML] The role of pre-existing heterogeneities in materials under shock and spall
There has been a challenge for many decades to understand how heterogeneities influence
the behavior of materials under shock loading, eventually leading to spall formation and …
the behavior of materials under shock loading, eventually leading to spall formation and …
The role of dislocations in the growth of nanosized voids in ductile failure of metals
MA Meyers, S Traiviratana, VA Lubarda, DJ Benson… - Jom, 2009 - Springer
Dislocations are the most important element in our understanding of the mechanical
response of metals. Their postulation in 1934 led to revolutionary advances in our ability to …
response of metals. Their postulation in 1934 led to revolutionary advances in our ability to …
Ultrahigh strength in nanocrystalline materials under shock loading
Molecular dynamics simulations of nanocrystalline copper under shock loading show an
unexpected ultrahigh strength behind the shock front, with values up to twice those at low …
unexpected ultrahigh strength behind the shock front, with values up to twice those at low …
Void growth in metals: Atomistic calculations
Molecular dynamics simulations in monocrystalline and bicrystalline copper were carried out
with LAMMPS (Large-scale Atomic/Molecular Massively Parallel Simulator) to reveal void …
with LAMMPS (Large-scale Atomic/Molecular Massively Parallel Simulator) to reveal void …
Void initiation in fcc metals: Effect of loading orientation and nanocrystalline effects
It is shown, through molecular dynamics simulations, that the emission and outward
expansion of special dislocation loops, nucleated at the surface of nanosized voids, are …
expansion of special dislocation loops, nucleated at the surface of nanosized voids, are …
Holes on surfaces of the weathered plastic fragments from coastal beaches
The surface morphology of weathered plastics undergoes a variety of changes. In this study,
3950 plastic fragments from 26 beaches around the world, were assessed to identify holes …
3950 plastic fragments from 26 beaches around the world, were assessed to identify holes …
Molecular dynamics simulations of shock-induced plasticity in tantalum
Abstract We present Non-Equilibrium Molecular Dynamics (NEMD) simulations of shock
wave compression along the [001] direction in monocrystalline Tantalum, including pre …
wave compression along the [001] direction in monocrystalline Tantalum, including pre …
Shock responses of nanoporous aluminum by molecular dynamics simulations
M Xiang, J Cui, Y Yang, Y Liao, K Wang, Y Chen… - International Journal of …, 2017 - Elsevier
We present systematic investigations examining the shock responses of nanoporous
aluminum (np-Al) by nonequilibrium molecular dynamics simulations. The dislocation …
aluminum (np-Al) by nonequilibrium molecular dynamics simulations. The dislocation …
Molecular dynamics study on the nano-void growth in face-centered cubic single crystal copper
Cylindrical nano-void growth in face-centered cubic single crystal copper is studied by mean
of molecular dynamics with the Embedded Atom Method. The problem is modeled by a …
of molecular dynamics with the Embedded Atom Method. The problem is modeled by a …
Dynamic shock response of high-entropy alloy with elemental anomaly distribution
S Song, H Li, P Liu, M Duan, X Peng - International Journal of Mechanical …, 2023 - Elsevier
Elemental inhomogeneities formed during the actual preparation or heat treatment of high
entropy alloys (HEAs) have a profound effect on the mechanical properties of HEAs. In this …
entropy alloys (HEAs) have a profound effect on the mechanical properties of HEAs. In this …