[HTML][HTML] Finite strain crystal plasticity-phase field modeling of twin, dislocation, and grain boundary interaction in hexagonal materials

C Liu, F Roters, D Raabe - Acta Materialia, 2023 - Elsevier
Twin, dislocation, and grain boundary interaction in hexagonal materials, such as Mg, Ti,
and Zr, has critical influence on the materials' mechanical properties. The development of a …

Dynamic tension and constitutive model in Fe40Mn20Cr20Ni20 high-entropy alloys with a heterogeneous structure

YZ Wang, ZM Jiao, GB Bian, HJ Yang, HW He… - Materials Science and …, 2022 - Elsevier
Abstract Face-centered-cubic (FCC) Fe 40 Mn 20 Cr 20 Ni 20 high-entropy alloys (HEAs)
with a weigh of 50 Kg were fabricated by industrialized vacuum-induction melting. This alloy …

[HTML][HTML] A review on capturing twin nucleation in crystal plasticity for hexagonal metals

YR Paudel, D Giri, MW Priddy, CD Barrett, K Inal… - Metals, 2021 - mdpi.com
Owing to its ability to incorporate Schmid's law at each integration point, crystal plasticity has
proven a powerful tool to simulate and predict the slip behavior at the grain level and the …

Tri-functional co-nanoprecipitates enhanced cryogenic ductility by inducing structural heterogeneity and refining nano-twins in a low-stacking-fault-energy 17Mn steel

X Chu, Y Li, C Xu, W Li, B Fu, X Jia - International Journal of Plasticity, 2024 - Elsevier
In this study, an innovative tri-functional co-nanoprecipitation strategy was employed to
enhance the mechanical properties of a low stacking-fault energy (SFE) 17Mn steel for …

Two-dimensional evolution of temperature and deformation fields during dynamic shear banding: In-situ experiments and modeling

Q Zeng, M Chen, X Yu, W Qi, S Zhu, H Yang… - International Journal of …, 2023 - Elsevier
Adiabatic shear band (ASB) is a significant failure mechanism observed in metals and alloys
under impact loading. Though ASB formation has been widely assumed to be a one …

Grain boundary slip–twin transmission in titanium

B Ahmadikia, L Wang, MA Kumar, IJ Beyerlein - Acta Materialia, 2023 - Elsevier
Using a combination of mechanical testing, scanning electron microscopy, and a unified
crystal plasticity framework for discrete intragranular shear localization, we investigate …

Anisotropic and high-temperature deformation behavior of additively manufactured AlSi10Mg: Experiments and microscale modeling

S Dai, D Hu, N Grilli, S Zou, Z Deng, W Yan - Additive Manufacturing, 2024 - Elsevier
Metal additive manufacturing (AM) has gained considerable interest in various industries in
recent years. Understanding the deformation behavior of additively manufactured metallic …

Crystal plasticity model of residual stress in additive manufacturing using the element elimination and reactivation method

N Grilli, D Hu, D Yushu, F Chen, W Yan - Computational Mechanics, 2022 - Springer
Selective laser melting is receiving increasing interest as an additive manufacturing
technique. Residual stresses induced by the large temperature gradients and …

The asymmetric evolution of grain-scale stresses in notched specimens under cyclic loads

K Louca, KS Shanks, A Das, H Abdolvand - Acta Materialia, 2024 - Elsevier
Engineering components are often exposed to various cyclic loading conditions. The
development of microscale stresses under such conditions depends on the material texture …

[HTML][HTML] Deformation twinning as a displacive transformation: Finite-strain phase-field model of coupled twinning and crystal plasticity

M Rezaee-Hajidehi, P Sadowski… - Journal of the Mechanics …, 2022 - Elsevier
A finite-strain phase-field model of coupled deformation twinning and crystal plasticity is
developed in the paper. Twinning is treated as a displacive transformation characterized by …