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 …
Micro-beam bending of FCC bicrystals: A comparison between defect dynamics simulations and experiments
To understand the role of the grain boundary (GB) in plasticity at small scale, a concurrently
coupled mesoscale plasticity model was developed to simulate micro-bending of …
coupled mesoscale plasticity model was developed to simulate micro-bending of …
A multi-scale computational model of crystal plasticity at submicron-to-nanometer scales
Plastic flow in crystal at submicron-to-nanometer scales involves many new interesting
problems. In this paper, a unified computational model which directly combines 3D discrete …
problems. In this paper, a unified computational model which directly combines 3D discrete …
Dislocation behavior in nickel and iron during laser shock-induced plastic deformation
W Zhou, X Ren, Y Yang, Z Tong, L Chen - The International Journal of …, 2020 - Springer
Laser shock peening is one of the most effective surface strengthening techniques, which
uses laser shock-induced plastic deformation to optimize surface stress state and …
uses laser shock-induced plastic deformation to optimize surface stress state and …
[HTML][HTML] Research on dynamic compression properties and deformation mechanism of Ti6321 titanium alloy
X Xuefeng, A Tayyeb, W Lin, C Huanwu, Z Zhe… - Journal of Materials …, 2020 - Elsevier
This research reports detailed investigations on the dynamic compression properties and
the deformation mechanism in Ti6321 titanium alloy subjected to high strain rate loading by …
the deformation mechanism in Ti6321 titanium alloy subjected to high strain rate loading by …
Investigations of pipe-diffusion-based dislocation climb by discrete dislocation dynamics
Y Gao, Z Zhuang, ZL Liu, XC You, XC Zhao… - International journal of …, 2011 - Elsevier
A new numerical dislocation climb model based on incorporating the pipe diffusion theory
(PDT) of vacancies with 3D discrete dislocation dynamics (DDD) is developed. In this model …
(PDT) of vacancies with 3D discrete dislocation dynamics (DDD) is developed. In this model …
Computational 3-dimensional dislocation elastodynamics
Understanding the mechanical behavior of solids at extremely high strain rates is of great
scientific and technical interest. Current dislocation-based model of plasticity are typically …
scientific and technical interest. Current dislocation-based model of plasticity are typically …
Dynamic mechanical properties and strengthening mechanism of Co-free maraging steel manufactured by wire-arc additive manufacturing
J Cheng, T Zhang, C Xu, Z Chen, X Zhang… - Materials Science and …, 2025 - Elsevier
The novel Co-free maraging steel (MS) thin wall was manufactured by wire-arc additive
manufacturing (WAAM). The microstructure of WAAM-MS was characterized by XRD, SEM …
manufacturing (WAAM). The microstructure of WAAM-MS was characterized by XRD, SEM …
[HTML][HTML] A stochastic crystal plasticity model with size-dependent and intermittent strain bursts characteristics at micron scale
Size effect and strain bursts are widely observed in the plastic deformation of micron-sized
single crystals. In this paper, a stochastic crystal plasticity model is established by importing …
single crystals. In this paper, a stochastic crystal plasticity model is established by importing …
Effect of strain rate on dynamic deformation behavior of DP780 steel
D Dong, Y Liu, L Wang, L Su - Acta Metall Sin, 2013 - ams.org.cn
Tensile properties and deformation behavior of DP780 steel were studied using servo-
hydraulic high-speed material testing machine, SEM and TEM. The effects of strain rate and …
hydraulic high-speed material testing machine, SEM and TEM. The effects of strain rate and …