Molecular dynamics study of shock-induced deformation phenomena and spallation failure in Ni-based single crystal superalloys

B Chen, Y Li, D Şopu, J Eckert, W Wu - International Journal of Plasticity, 2023 - Elsevier
Shock-induced dynamic mechanical behavior and spallation failure of Ni-based single
crystal superalloys are studied via non-equilibrium molecular dynamic simulations. The …

A microstructure-based fatigue model for additively manufactured Ti-6Al-4V, including the role of prior β boundaries

S Krishnamoorthi, R Bandyopadhyay… - International Journal of …, 2023 - Elsevier
Microstructure-based models of additive manufactured (AM) Ti-6Al-4V should faithfully
represent the unique microstructural features of these materials to provide a more thorough …

Phase transformations, fracture, and other structural changes in inelastic materials

VI Levitas - International Journal of Plasticity, 2021 - Elsevier
Review of selected fundamental topics on the interaction between phase transformations,
fracture, and other structural changes in inelastic materials is presented. It mostly focuses on …

Combining crystal plasticity and phase field model for predicting texture evolution and the influence of nuclei clustering on recrystallization path kinetics in Ti-alloys

AM Roy, S Ganesan, P Acar, R Arróyave… - Acta Materialia, 2024 - Elsevier
A three-dimensional computational framework has been developed combining a crystal
plasticity (CP) and a phase-field (PF) approach that can efficiently simulate static …

A microstructure-based porous crystal plasticity FE model for additively manufactured Ti-6Al-4V alloys

M Pinz, JT Benzing, A Pilchak, S Ghosh - International Journal of Plasticity, 2022 - Elsevier
Building from a foundation of microstructural characterization, mechanical testing, 3D
statistically equivalent microstructural volume elements (SEMVEs), and image-based …

Numerical study of deformation behavior of rolled AZ31B plate under cyclic loading in different material orientations based on the EVPSC-TDT model

FH Wang, H Qiao, YQ Wang, J Dong, YY Jiang… - International Journal of …, 2021 - Elsevier
The EVPSC-TDT model is employed to mimic the stabilized stress-strain hysteresis loops of
the rolled AZ31B plate under cyclic loading in different material orientations. The predicted …

Assessment of the time-dependent behavior of dislocation multiplication under shock loading

S Yao, X Pei, J Yu, Q Wu - International Journal of Plasticity, 2022 - Elsevier
In this study, we proposed a method, which is a combination of qualitative analysis and
quantitative analysis, to establish dislocation-based plasticity model, and assessed the time …

A strain rate and temperature-dependent crystal plasticity model for hexagonal close-packed (HCP) materials: Application to α-titanium

L Dai, W Song - International Journal of Plasticity, 2022 - Elsevier
The mechanical responses of hexagonal close-packed (HCP) materials are highly
anisotropic, as well as strain rate and temperature-dependent, because of inherently …

Thermodynamic theory of crystal plasticity: formulation and application to polycrystal fcc copper

CKC Lieou, CA Bronkhorst - Journal of the Mechanics and Physics of Solids, 2020 - Elsevier
We present a thermodynamic description of crystal plasticity. Our formulation is based on the
Langer-Bouchbinder-Lookman thermodynamic dislocation theory (TDT), which asserts the …

Atomistic analyses of fracture in α, β and lamellar α-β Ti single crystals

S Rawat, A Alankar - Journal of the Mechanics and Physics of Solids, 2023 - Elsevier
In this work, molecular dynamics simulations are employed to investigate crack growth
behavior and related microstructural evolution in α-Ti, β-Ti, and lamellar-Ti single crystals …