Electro-thermal-mechanical coupled crystal plasticity modeling of Ni-based superalloy during electrically assisted deformation

J Gao, H Li, X Sun, X Zhang, M Zhan - International Journal of Plasticity, 2022 - Elsevier
Electrically assisted (EA) formation has attracted much attention in recent years. However,
the multiscale deformation mechanism of materials under multifield (electrical, thermal, and …

Electroplastic effect and microstructural mechanism in electrically assisted deformation of nickel-based superalloys

YZ Liu, B Meng, M Du, M Wan - Materials Science and Engineering: A, 2022 - Elsevier
The electroplastic effect and microstructural mechanism in the electrically assisted (EA)
deformation of nickel-based superalloys are still not fully elucidated up to now. To this end …

Dislocation density based modelling of electrically assisted deformation process by finite element approach

J Tiwari, V Balaji, H Krishnaswamy… - International Journal of …, 2022 - Elsevier
Application of electric current, while deforming the material is known to aid the deformation
process due to electroplastic effect. The experimentally observed behaviour during the …

Understanding the mechanisms of electroplasticity from a crystal plasticity perspective

A Lahiri, P Shanthraj, F Roters - Modelling and Simulation in …, 2019 - iopscience.iop.org
Electroplasticity is defined as the reduction in flow stress of a material undergoing
deformation on passing an electrical pulse through it. The lowering of flow stress during …

Crystal plasticity modeling of electropulsing induced plasticity in metals

Y Yang, R Qin, Y Dong, J Wang, C Ye - International Journal of Plasticity, 2023 - Elsevier
A crystal plasticity model incorporating the effects of magnetoplasticity, electron-wind,
imbalance of charges near grain boundaries and Joule heating in high frequency short …

Modeling of thermal and mechanical behavior of a magnesium alloy AZ31 during electrically-assisted micro-tension

X Wang, J Xu, D Shan, B Guo, J Cao - International Journal of Plasticity, 2016 - Elsevier
Many researchers have used a material response function termed “electroplasticity” to
account for the mechanical behavior of metals subjected to electric current during plastic …

The effect of electric current on dislocation activity in pure aluminum: A 3D discrete dislocation dynamics study

Z Xu, R Zhang, J Ma, D Qiu, L Peng - International Journal of Plasticity, 2023 - Elsevier
Introducing electric current into metals and alloys to improve their ductility and to reduce the
hardening tendency has been widely adopted. Nevertheless, how the electricity affects the …

Mechanism for the macro and micro behaviors of the Ni-based superalloy during electrically-assisted tension: Local Joule heating effect

X Zhang, H Li, M Zhan - Journal of Alloys and Compounds, 2018 - Elsevier
Electrically-assisted manufacturing (EAM) is used for forming difficult-to-form materials such
as the Ni-based superalloy in recent years. Compared to the hot deformation, EAM is a more …

Decoupling electroplasticity by temporal coordination design of pulse current loading and straining

H Li, F Jin, M Zhang, J Ding, T Bian, J Li, J Ma… - Materials Science and …, 2023 - Elsevier
Multi-mechanism coupled electroplasticity (EP) has not been fully elucidated yet due to the
difficulty in eliminating thermal effect, although isothermal, air-cooled, and cryogenic …

Multiscale modeling of coupling mechanisms in electrically assisted deformation of ultrathin sheets: An example on a nickel-based superalloy

YZ Liu, M Wan, B Meng - International Journal of Machine Tools and …, 2021 - Elsevier
Electrically assisted (EA) forming has ubiquitous merits over room-temperature (RT) forming
and thermally aided forming for the fabrication of difficult-to-form microscale products …