Multiscale modeling of discontinuous dynamic recrystallization during hot working by coupling multilevel cellular automaton and finite element method

F Chen, H Zhu, W Chen, H Ou, Z Cui - International Journal of Plasticity, 2021 - Elsevier
Discontinuous dynamic recrystallization (dDRX) is considered an effective way to obtain fine
grain microstructures during hot working of materials with low-to-medium stacking fault …

Quantification of α phase strengthening in titanium alloys: crystal plasticity model incorporating α/β heterointerfaces

M Zhang, J Li, B Tang, WY Wang, K Li, T Zhang… - International Journal of …, 2022 - Elsevier
A strategy to quantify the second phase strengthening of α precipitates in titanium alloys is
proposed to predict the mechanical performance through crystal plasticity finite element …

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 …

Synergistic effects of twin boundary and phase boundary for enhancing ultimate strength and ductility of lamellar TiAl single crystals

H Xiang, W Guo - International Journal of Plasticity, 2022 - Elsevier
The strength-ductility trade-off is a long-standing challenge in engineering and material
sciences. The introductions of twin boundary or phase boundary in materials have been …

A non-local methodology for geometrically necessary dislocations and application to crack tips

Y Xu - International Journal of Plasticity, 2021 - Elsevier
A non-local method for the establishment of geometrically necessary dislocation (GND)
based on a non-local domain integral has been developed and incorporated into crystal …

[HTML][HTML] Micromechanical modeling of damage evolution and fracture behavior in particle reinforced metal matrix composites based on the conventional theory of …

H Wu, W Xu, D Shan, XJ Wang, B Guo… - Journal of Materials …, 2023 - Elsevier
The particle/matrix interface of metal matrix composites (MMCs) can give rise to extra
strength and then affect the local deformation behavior. This strengthening effect originates …

Cross-scale prediction from RVE to component

X Sun, H Li, M Zhan, J Zhou, J Zhang, J Gao - International Journal of …, 2021 - Elsevier
A global prediction of macroscale deformation and microstructure evolution under complex
mechanical and thermal fields is crucial for customizing the expected shape and …

Predicting the complete tensile properties of additively manufactured Ti-6Al-4V by integrating three-dimensional microstructure statistics with a crystal plasticity model

F Azhari, C Wallbrink, Z Sterjovski, BR Crawford… - International Journal of …, 2022 - Elsevier
A multiscale finite element model integrating microstructure statistics with an enhanced three-
dimensional (3D) crystal plasticity model including damage has been developed to predict …

Training material models using gradient descent algorithms

T Chen, MC Messner - International Journal of Plasticity, 2023 - Elsevier
High temperature design requires accurate constitutive models to describe material inelastic
deformation and failure behavior. Oftentimes, calibrating accurate models devolves into the …

Temperature dependent anisotropic mechanical behavior of TiAl based alloys

B Selvarajou, MH Jhon, RV Ramanujan… - International Journal of …, 2022 - Elsevier
Abstract γ-based titanium aluminides exhibit remarkable mechanical properties at high
temperatures and are deployed in jet engines. The microstructure of these alloys, consisting …