A crystal plasticity model that accounts for grain size effects and slip system interactions on the deformation of austenitic stainless steels

D Agius, A Kareer, A Al Mamun, C Truman… - International Journal of …, 2022 - Elsevier
To ensure a more representative simulation of meso‑scale and macro-scale deformation, it
is important the underlying constitutive relations are advanced to more effectively …

Size-dependent plasticity of hetero-structured laminates: a constitutive model considering deformation heterogeneities

J Zhao, M Zaiser, X Lu, B Zhang, C Huang… - International Journal of …, 2021 - Elsevier
Deformation mechanism-based constitutive modeling can serve as a flexible tool to optimize
the microstructure of hetero-structured metals for achieving better mechanical performance …

Dislocation-grain boundary interaction in metallic materials: Competition between dislocation transmission and dislocation source activation

W Liu, Y Liu, H Sui, L Chen, L Yu, X Yi… - Journal of the Mechanics …, 2020 - Elsevier
Dislocation transmission across grain boundary (GB) and activation of dislocation source in
adjacent grains are considered common features of dislocation-GB interactions in regulating …

Stress/strain gradient plasticity model for size effects in heterogeneous nano-microstructures

H Lyu, M Hamid, A Ruimi, HM Zbib - International Journal of Plasticity, 2017 - Elsevier
Traditionally, modeling the effect of grain size on the mechanical behavior of crystalline
materials is based on assuming an equivalent homogenous microstructure with strength …

Dislocation pile-up polarization model for mechanical properties of polycrystalline metals based on grain boundary resistance variability

W Liu, L Yu, Y Liu, H Sui, H Fan, H Duan - … of the Mechanics and Physics of …, 2022 - Elsevier
A novel dislocation mechanism to interpret the Bauschinger effect in polycrystalline metals is
proposed namely dislocation pile-up polarization. We show that the variability of GB …

Composition design of a novel Ti-6Mo-3.5 Cr-1Zr alloy with high-strength and ultrahigh-ductility

K Chen, Q Fan, J Yao, L Yang, S Xu, W Lei… - Journal of Materials …, 2022 - Elsevier
The strength-elongation to fracture (ε f) trade-off and low strain hardening rate have been a
longstanding dilemma in titanium alloys. In this work, we innovatively manufactured a novel …

Synergetic effect of initial shear texture and grain size gradient on plastic deformation of gradient interstitial free (IF) steel

H Lyu, A Ruimi - Journal of Materials Science, 2024 - Springer
Specimens of gradient IF steel produced as a result of severe plastic deformations often
display strong textures that cannot be completely eliminated by annealing. Both the gradient …

Tearing failure of ultra-thin sheet-metal involving size effect in blanking process: Analysis based on modified GTN model

S Wang, Z Chen, C Dong - International Journal of Mechanical Sciences, 2017 - Elsevier
In this account, the ductile tearing behavior of a 0.08 mm thick ultra-thin martensitic stainless
steel sheet was probed during the blanking process. The experiments suggested that void …

Low cycle fatigue properties of linear friction welded joint of TC11 and TC17 titanium alloys

P Zhao, L Fu, H Chen - Journal of Alloys and Compounds, 2016 - Elsevier
In this works, we investigated the microstructures and low cycle fatigue (LCF) performance of
linear friction welded (LFWed) joint of Ti-6.5 Al-3.5 Mo-1.5 Zr-0.3 Si (TC11) and Ti-4Mo-4Cr …

Grain size gradient and length scale effect on mechanical behaviors of surface nanocrystalline metals

H Jin, J Zhou, Y Chen - Materials Science and Engineering: A, 2018 - Elsevier
Substantial research has shown the remarkable mechanical properties such as high stress
and excellent strain hardening of nanocrystalline (NC) materials with a grain size gradient …