Grain-size dependent mechanical behavior of nanocrystalline metals
Grain size has a profound effect on the mechanical response of metals. Molecular dynamics
continues to expand its range from a handful of atoms to grain sizes up to 50 nm, albeit …
continues to expand its range from a handful of atoms to grain sizes up to 50 nm, albeit …
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 …
Spall strength dependence on grain size and strain rate in tantalum
We examine the effect of grain size on the dynamic failure of tantalum during laser-shock
compression and release and identify a significant effect of grain size on spall strength …
compression and release and identify a significant effect of grain size on spall strength …
Towards the ultimate strength of iron: spalling through laser shock
The ultimate strength of materials is reached at strain rates approaching the Debye
frequency, when the deformation time at the atomic scale approaches the time for atoms to …
frequency, when the deformation time at the atomic scale approaches the time for atoms to …
On the ultimate tensile strength of tantalum
EN Hahn, TC Germann, R Ravelo, JE Hammerberg… - Acta Materialia, 2017 - Elsevier
Strain rate, temperature, and microstructure play a significant role in the mechanical
response of materials. Using non-equilibrium molecular dynamics simulations, we …
response of materials. Using non-equilibrium molecular dynamics simulations, we …
High-velocity projectile impact induced 9R phase in ultrafine-grained aluminium
Aluminium typically deforms via full dislocations due to its high stacking fault energy.
Twinning in aluminium, although difficult, may occur at low temperature and high strain rate …
Twinning in aluminium, although difficult, may occur at low temperature and high strain rate …
Classical molecular dynamics simulations of the deformation of metals under uniaxial monotonic loading: A review
Nanoscale features present in structural and functional materials affect their macroscopic
properties and hence have been extensively studied. As experimental investigations of …
properties and hence have been extensively studied. As experimental investigations of …
Effect of hot isostatic pressing and powder feedstock on porosity, microstructure, and mechanical properties of selective laser melted AlSi10Mg
CB Finfrock, A Exil, JD Carroll, L Deibler - … , Microstructure, and Analysis, 2018 - Springer
AlSi10Mg tensile bars were additively manufactured using the powder-bed selective laser
melting process. Samples were subjected to stress relief annealing and hot isostatic …
melting process. Samples were subjected to stress relief annealing and hot isostatic …
Thermal effects on the mechanical behavior of cuzr metallic glasses
N Amigo, CA Careglio, F Ardiani, A Manelli… - Applied Physics A, 2024 - Springer
Amorphous metals are increasingly used as advanced engineering materials, due to several
desirable properties, like high hardness and ductility, high resilience, high mechanical …
desirable properties, like high hardness and ductility, high resilience, high mechanical …
Atomistic simulations of ductile failure in a BCC high-entropy alloy
F Aquistapace, N Vazquez, M Chiarpotti… - High Entropy Alloys & …, 2023 - Springer
Ductile failure is studied in a bcc HfNbTaZr High-Entropy Alloy (HEA) with a pre-existing
void. Using molecular dynamics simulations of uniaxial tensile tests, we explore the effect of …
void. Using molecular dynamics simulations of uniaxial tensile tests, we explore the effect of …