Comparative analysis of dynamic plasticity models

NS Selyutina, YV Petrov - Reviews on Advanced Materials Science, 2018‏ - degruyter.com
In the paper, a new phenomenological interpretation of some of the principal temporal
effects of high-rate plastic deformation of metals from a united viewpoint is represented. A …

Coupled model for grain rotation, dislocation plasticity and grain boundary sliding in fine-grained solids

EN Borodin, AE Mayer, MY Gutkin - International Journal of Plasticity, 2020‏ - Elsevier
Based on a new model coupling both direct and inverse grain rotation processes, we
discuss interrelations between the dislocation mechanism of plasticity and the grain …

The modified relaxation plasticity model and the non-monotonic stress–strain diagram

S Zhao, YV Petrov, GA Volkov - International Journal of Mechanical …, 2023‏ - Elsevier
The constitutive models at high loading rates are usually investigated by introducing
additional and empirical rate-dependent components into classical models initially …

[PDF][PDF] A review on multiscale modelling and simulation for polymer nanocomposites

A Sharma, M Devi - Preprints, 2022‏ - preprints.org
The present paper is focused on understanding multiscale modelling to obtain a bridge
among different time and length scales of simulation techniques. These techniques are vital …

Instabilities of dynamic strain diagrams predicted by the relaxation model of plasticity

NS Selyutina, YV Petrov - Journal of Dynamic Behavior of Materials, 2022‏ - Springer
To predict of appearance and disappearance of yield drop effects with regard to different
dynamics, temperatures or other factors, the wide spectrum of the initial plastic stage of …

Temperature relaxation model of plasticity for metals under dynamic loading

N Selyutina - Mechanics of Materials, 2020‏ - Elsevier
Temperature-time effects on metals based on the relaxation model of plasticity have been
evaluated. The plastic deformation of 7xxx and 2xxx aluminium alloys and EUROFER97 …

Incubation-time-based modeling of the grain-size-influenced yield point phenomenon

MN Antonova, S Zhao, YV Petrov, M Zheng, B Li - Acta Mechanica, 2024‏ - Springer
This paper presents a modified relaxation model of plasticity (MRP model) that captures the
non-monotonic stress–strain relation, especially the yield point phenomenon (YPP) …

[HTML][HTML] Dynamical models of plasticity with nonmonotonic deformation curves for nanomaterials

N Selyutina, E Borodin, Y Petrov - Metals, 2022‏ - mdpi.com
Nanomaterials are widely used in different fields, such as microelectronics, industry, and
nanocomposites, and they can exhibit unstable deformation behaviour depending on the …

Mechanisms-based transitional viscoplasticity

A Zubelewicz - Crystals, 2020‏ - mdpi.com
When metal is subjected to extreme strain rates, the conversation of energy to plastic power,
the subsequent heat production and the growth of damages may lag behind the rate of …

Kinetic view on dynamic plasticity of crystalline solids

E Borodin, ADM Barroso, AP Jivkov - arxiv preprint arxiv:2412.14105, 2024‏ - arxiv.org
Microstructural changes in solids, driven by energy flows, do not develop in a static
continuous space, such as the space considered in conventional plasticity models. The …