High pressure phase evolution under hydrostatic pressure in a single imperfect crystal due to nanovoids

M Javanbakht - Materialia, 2021 - Elsevier
In this paper, the evolution of high pressure phase (HPP) in an imperfect single crystal due
to the existence of nanovoids is investigated. The nanovoid misfit strain and its stress are …

Effect of loading rate on the dislocation emission from crack-tip under hydrogen environment

K Zhao, F Zhao, Q Lin, X Li, J **ao, Y Gu… - Materials Today …, 2023 - Elsevier
The interplay between H atoms and crack-tip plasticity is essential to understand hydrogen
embrittlement. By formulating a novel closed-form energy-based analytical model, the effect …

Nanovoid induced martensitic growth under uniaxial stress: Effect of misfit strain, temperature and nanovoid size on PT threshold stress and nanostructure in NiAl

M Javanbakht, MS Ghaedi - Computational Materials Science, 2020 - Elsevier
In the present work, the effect of a pre-existing nanovoid on martensitic growth under
uniaxial stress in NiAl is investigated using the phase field theory. In order to create a pre …

Dislocation based plasticity in the case of nanoindentation

K Zhao, AE Mayer, J He, Z Zhang - International Journal of Mechanical …, 2018 - Elsevier
Understanding plasticity initiation and evolution in nanoindentation tests is a fundamental
issue. In this study, a continuum model is developed to analytically predict the force-depth …

An extended Rice model for intergranular fracture

K Zhao, Y Ding, H Yu, J He, Z Zhang - International Journal of Mechanical …, 2025 - Elsevier
The plastic events occurring during the process of intergranular fracture in metals is still not
well understood due to the complexity of grain boundary (GB) structures and their …

Dynamic deformation of Al under shock loading

K Zhao, Y Li, F Zhao - Computational Materials Science, 2022 - Elsevier
The microstructure evolution of single crystal Al under shock loading is investigated using
both numerical simulations and shock wave theory. Using momentum mirror method with …

Multiscale mechanical analysis of 3D nanoparticle-reinforced metal-based composites considering interface effects

Y Zhang, X Wang, B Li, F Wang, X Gou - Composite Structures, 2024 - Elsevier
Nanoparticle-reinforced metal-based composites (NRMCs) have gained recognition for their
remarkable interface effects and their demonstration of superior mechanical properties. To …

Void growth in single crystal copper-an atomistic modeling and statistical analysis study

S Chandra, MK Samal, VM Chavan… - Philosophical …, 2018 - Taylor & Francis
One of the failure mechanisms in ductile materials is growth and coalescence of pre-existing
voids. In view of this, we attempt to obtain atomistic insights into the prevailing mechanisms …

Influence of loading directions on dislocation slip mechanism of nanotwinned Ni with void defect at the twin boundary

J Ding, H Zhao, L Wang, X Huang, J Wang… - Computational Materials …, 2018 - Elsevier
In this study, a molecular dynamics model is used to simulate the compressive loading
process along different crystal orientations of nano-twinned Ni with void defect at the twin …

Interaction of martensitic transformations and vacancy diffusion at the nanoscale under thermal loading: A phase field model and simulations

M Javanbakht, MS Ghaedi - Acta Mechanica, 2021 - Springer
In this paper, the interaction of martensitic phase transformations (PTs) with vacancy
evolution is studied using the phase field approach. The evolution of nanovacancies and …