A convolutional neural network based crystal plasticity finite element framework to predict localised deformation in metals

O Ibragimova, A Brahme, W Muhammad… - International Journal of …, 2022 - Elsevier
Convolutional neural networks (CNNs) find vast applications in the field of image
processing. This study utilises the CNNs in conjunction with the crystal plasticity finite …

A new ANN based crystal plasticity model for FCC materials and its application to non-monotonic strain paths

O Ibragimova, A Brahme, W Muhammad… - International Journal of …, 2021 - Elsevier
Abstract Machine learning (ML) methods are commonly used for pattern recognition in
almost any field one could imagine. ML techniques can also offer a substantial improvement …

Application of artificial neural networks in micromechanics for polycrystalline metals

U Ali, W Muhammad, A Brahme, O Skiba… - International Journal of …, 2019 - Elsevier
Abstract Machine learning techniques are widely used to understand and predict data trends
and therefore can provide a huge computational advantage over conventional numerical …

A deformation mechanism based crystal plasticity model of ultrafine-grained/nanocrystalline FCC polycrystals

AS Khan, J Liu - International Journal of Plasticity, 2016 - Elsevier
A new crystal plasticity model based on the deformation mechanism for ultrafine-grained/
nanocrystalline face-centered cubic (FCC) metals was developed. The deformation …

Coupled continuum damage mechanics and crystal plasticity model and its application in damage evolution in polycrystalline aggregates

O Amelirad, A Assempour - Engineering with Computers, 2022 - Springer
In the present study, damage initiation and growth in a polycrystalline aggregate are
investigated. In this regard, an anisotropic continuum damage mechanics coupled with rate …

Evolution of subsequent yield surfaces with plastic deformation along proportional and non-proportional loading paths on annealed AA6061 alloy: Experiments and …

CMA Iftikhar, YL Li, CP Kohar, K Inal… - International Journal of …, 2021 - Elsevier
This work presents an experimental and numerical investigation of annealed aluminum alloy
AA6061 subjected to proportional and non-proportional loading paths at various finite levels …

Precipitation kinetics and crystal plasticity modeling of artificially aged AA6061

YL Li, CP Kohar, W Muhammad, K Inal - International Journal of Plasticity, 2022 - Elsevier
An artificially aged AA6061 alloy was investigated at multiple heat treatment conditions with
monotonic tensile and cyclic shear testing to characterize the effect of precipitation on the …

[HTML][HTML] Effects of intergranular deformation incompatibility on stress state and fracture initiation at grain boundary: Experiments and crystal plasticity simulations

J Chen, T Furushima - International Journal of Plasticity, 2024 - Elsevier
The heterogeneous deformation of polycrystalline metals inherently originates from the
intergranular deformation incompatibility. This paper proposes physical parameters related …

A new crystal plasticity constitutive model for simulating precipitation-hardenable aluminum alloys

YL Li, CP Kohar, RK Mishra, K Inal - International Journal of Plasticity, 2020 - Elsevier
Age hardened aluminum alloys have superior strengths compared to non-age hardenable
alloys due to the growth of a secondary phase of precipitates. This work presents a new …

An experimental and numerical study of the localization behavior of tantalum and stainless steel

CA Bronkhorst, EK Cerreta, Q Xue, PJ Maudlin… - International Journal of …, 2006 - Elsevier
In general, the shear localization process involves initiation and growth. Initiation is
expected to be a stochastic process in material space where anisotropy in the elastic–plastic …