On deformation behavior of Fe-Mn based structural alloys

P Chowdhury, D Canadinc, H Sehitoglu - Materials Science and …, 2017 - Elsevier
This article is a literature review of recent advances in novel Fe-Mn based alloys, drawing
specific examples on Hadfield and TWIP steels, and high entropy and shape memory alloys …

[HTML][HTML] Dislocation structures formation induced by thermal stress in additive manufacturing: Multiscale crystal plasticity modeling of dislocation transport

D Hu, N Grilli, W Yan - Journal of the Mechanics and Physics of Solids, 2023 - Elsevier
The motion of dislocations governs the plastic deformation of crystalline materials, which in
turn determines the mechanical properties. The complex thermal history, large temperature …

Dislocation mechanism based size-dependent crystal plasticity modeling and simulation of gradient nano-grained copper

X Lu, X Zhang, M Shi, F Roters, G Kang… - international Journal of …, 2019 - Elsevier
Overcoming the trade-off between strength and ductility in metallic materials is a grand
challenge. Recently, materials with a gradient nano-grained (GNG) surface layer adhering to …

Coupling in situ experiments and modeling–Opportunities for data fusion, machine learning, and discovery of emergent behavior

MD Sangid - Current Opinion in Solid State and Materials Science, 2020 - Elsevier
This paper reviews recent studies, that not only includes both experiments and modeling
components, but celebrates a close coupling between these techniques, in order to provide …

Interaction between 1/2< 110>{001} dislocations and {110} prismatic loops in uranium dioxide: Implications for strain-hardening under irradiation

M Borde, L Dupuy, A Pivano, B Michel… - International Journal of …, 2023 - Elsevier
Plasticity of irradiated UO 2 is of major interest to improve the risk assessment of the nuclear
fuel cladding failure in the case of design basis accidents. In this study, we investigate the …

Study of dislocation-twin boundary interaction mechanisms in plastic deformation of TWIP steel by discrete dislocation dynamics and dislocation density-based …

X Guo, C Sun, C Wang, J Jiang, MW Fu - International Journal of Plasticity, 2021 - Elsevier
Deformation twins contribute to the unique deformation behaviors and characteristics in the
plastic deformation of TWIP steels since twin boundary (TB) blocks the movement of …

Insights into flow stress and work hardening behaviors of a precipitation hardening AlMgScZr alloy: Experiments and modeling

X Chen, H Chen, S Ma, Y Chen, J Dai, Y Bréchet… - International Journal of …, 2024 - Elsevier
Flow stress and work hardening behaviors, as two important aspects of mechanical
behaviors, have been studied extensively and their interpretation for the case of pure metals …

[HTML][HTML] Determination and analysis of the constitutive parameters of temperature-dependent dislocation-density-based crystal plasticity models

K Sedighiani, K Traka, F Roters, D Raabe… - Mechanics of …, 2022 - Elsevier
Physics-based crystal plasticity models rely on certain statistical assumptions about the
collective behavior of dislocation populations on one slip system and their interactions with …

Microstructure-sensitive investigation of magnesium alloy fatigue

K Hazeli, H Askari, J Cuadra, F Streller… - International Journal of …, 2015 - Elsevier
This article presents results relating macroscopic fatigue behavior to microplasticity, twinning
activity, and early fatigue crack formation in wrought magnesium alloy specimens of the AZ …

A coupled dislocation dynamics-continuum barrier field model with application to irradiated materials

Y Cui, G Po, NM Ghoniem - International Journal of Plasticity, 2018 - Elsevier
A new computational methodology for 3-dimensional (3D) Discrete Dislocation Dynamics
(DDD) in barrier-strengthened materials is developed. We couple the discrete 3D DDD …