High strain rate properties of metals and alloys
RW Armstrong, SM Walley - International Materials Reviews, 2008 - Taylor & Francis
The high strain rate dependence of the flow stress of metals and alloys is described from a
dislocation mechanics viewpoint over a range beginning from conventional …
dislocation mechanics viewpoint over a range beginning from conventional …
Strain rate dependency of dislocation plasticity
Dislocation glide is a general deformation mode, governing the strength of metals. Via
discrete dislocation dynamics and molecular dynamics simulations, we investigate the strain …
discrete dislocation dynamics and molecular dynamics simulations, we investigate the strain …
[图书][B] Dislocations, mesoscale simulations and plastic flow
L Kubin - 2013 - books.google.com
In the past twenty years, new experimental approaches, improved models and progress in
simulation techniques have brought new insights into longstanding issues concerning …
simulation techniques have brought new insights into longstanding issues concerning …
Dislocations in shock compression and release
Shock-wave compression is an extreme regime of deformation characterized by strain rates
on the order of 10 6–10 10 s− 1, pressures ranging from a few to hundreds of GPa, and …
on the order of 10 6–10 10 s− 1, pressures ranging from a few to hundreds of GPa, and …
A dislocation-based multi-rate single crystal plasticity model
BL Hansen, IJ Beyerlein, CA Bronkhorst… - International Journal of …, 2013 - Elsevier
The goal of this work is to formulate a constitutive model for the deformation of metallic
single crystals over a wide range of strain rates, which is integral to computing reliable stress …
single crystals over a wide range of strain rates, which is integral to computing reliable stress …
Atomistically informed dislocation dynamics in fcc crystals
We develop a nodal dislocation dynamics (DD) model to simulate plastic processes in fcc
crystals. The model explicitly accounts for all slip systems and Burgers vectors observed in …
crystals. The model explicitly accounts for all slip systems and Burgers vectors observed in …
A predictive discrete-continuum multiscale model of plasticity with quantified uncertainty
Multiscale models of materials, consisting of upscaling discrete simulations to continuum
models, are unique in their capability to simulate complex materials behavior. The …
models, are unique in their capability to simulate complex materials behavior. The …
Development of adiabatic shearing bands in 7003-T4 aluminum alloy under high strain rate impacting
X Wu, L Li, W Liu, S Li, L Zhang, H He - Materials Science and Engineering …, 2018 - Elsevier
This study details an investigation about the formation and development of adiabatic
shearing bands (ASB) in 7003-T4 aluminum alloy under high strain rate impacting. The …
shearing bands (ASB) in 7003-T4 aluminum alloy under high strain rate impacting. The …
Simulation of shock-induced plasticity including homogeneous and heterogeneous dislocation nucleations
A model of plasticity that couples discrete dislocation dynamics and finite element analysis is
used to investigate shock-induced dislocation nucleation in copper single crystals …
used to investigate shock-induced dislocation nucleation in copper single crystals …
Modeling the temperature and high strain rate sensitivity in BCC iron: Atomistically informed multiscale dislocation dynamics simulations
P El Ters, MA Shehadeh - International Journal of Plasticity, 2019 - Elsevier
Multiscale discrete dislocation plasticity (MDDP) simulations are carried out to investigate
the mechanical response and microstructure evolution of single crystal BCC iron subjected …
the mechanical response and microstructure evolution of single crystal BCC iron subjected …