Statistical analysis of discrete dislocation dynamics simulations: initial structures, cross-slip and microstructure evolution

A Demirci, D Steinberger, M Stricker… - … and Simulation in …, 2023 - iopscience.iop.org
mechanisms and the interplay between different physical phenomena such as dislocation
reactions or cross-slipmicrostructural aspects we indirectly could leverage the fact that CDD is …

Dislocation multiplication by cross-slip and glissile reaction in a dislocation based continuum formulation of crystal plasticity

M Sudmanns, M Stricker, D Weygand… - Journal of the …, 2019 - Elsevier
microstructural evolution without self-replication of … a generalized cross-slip model for use
in different microstructure … of the glissile and the cross-slip mechanism separately. The elastic …

Dynamic mechanisms of strengthening and softening of coherent twin boundary via dislocation pile-up and cross-slip

Z Li, J Zhang, Y Zhai, J Zhang, X Wang… - Materials Research …, 2022 - Taylor & Francis
… Hence, as there was no thermal activation, we consider the intra-grain cross-slip events …
We infer cross-slip based on the appearance of increasing numbers of traces parallel to the …

Cross-slip of extended dislocations and secondary deformation twinning in a high-Mn TWIP steel

S Shen, P Xie, C Wu, J Luo, J Chen - International Journal of Plasticity, 2024 - Elsevier
… , eg the cross-slip of partial dislocation and the mechanism of … -time recording the
microstructural evolution of the samples at … In view of this, the microstructure evolution observed …

On the cross-slip of screw dislocations in zirconium

Y Li, S Chatterjee, E Martinez, N Ghoniem, G Po - Acta Materialia, 2021 - Elsevier
mechanism controlling the evolution of dislocation … The cross-slip model we develop here
is aimed at enabling DDD … the influence of cross-slip on the dislocation microstructure and …

Large-scale dislocation dynamics simulations of strain hardening of Ni microcrystals under tensile loading

SI Rao, C Woodward, B Akdim, E Antillon… - Acta Materialia, 2019 - Elsevier
… of dislocation microstructure develops spontaneously at the higher temperatures as a result
of increased cross slip. … types of cross-slip mechanisms are: a) cross slip at forest dislocation

A robust phenomenological modeling framework based on cross-slip propensity factor for capturing the effect of dynamic strain aging on work hardening behavior of …

S Samanta, JR Sahoo, S Mishra - Acta Materialia, 2023 - Elsevier
… The cross-slip propensity-based model is validated via systematic microstructural … In
recent times, a fundamental mechanism based on local cross-core diffusion causing …

Microstructural evolutions under ultrasonic treatment in 304 and 316 austenitic stainless steels: impact of stacking fault energy

M Zohrevand, M Aghaie-Khafri… - steel research …, 2021 - Wiley Online Library
… substantial impact of the SFE value on the microstructure evolution. 4) The higher dislocation
… greater SFE parameter indicates that the dislocation cross-slip is the primary mechanism of …

A data driven approach for cross-slip modelling in continuum dislocation dynamics

V Vivekanandan, B Anglin, A El-Azab - International Journal of Plasticity, 2023 - Elsevier
… onto the cross-slip plane whereas the FL mechanism predicts … effects of the different cross-slip
activation energy formulations on the mechanical behavior and dislocation microstructure

Fatigue behavior, microstructural evolution, and fatigue life model based on dislocation annihilation of an Fe-Ni-Cr alloy at 700° C

H Li, H Jing, L Xu, Y Han, L Zhao, Z Tang, B Xiao… - International Journal of …, 2019 - Elsevier
Based on the dislocation annihilation mechanisms, the … planes of dislocations, the
microstructure based on transmission … based on the ability of dislocation annihilate by cross-slip. …