Deformation and strain localization in polycrystals with plastically heterogeneous grains

M Khadyko, CD Marioara, IG Ringdalen… - International Journal of …, 2016 - Elsevier
A model of a polycrystalline material is studied, where each grain consists of several zones
with different plastic properties. The size and configuration of the zones as well as their …

Length scales and scaling laws for dislocation cells developed during monotonic deformation of (001) nickel single crystal

A Oudriss, X Feaugas - International Journal of Plasticity, 2016 - Elsevier
An extensive collection of experimental data was gathered to improve the well-known self-
organization process of dislocation resulting from a tensile strain. Statistical analyses by …

Work hardening descriptions in simulation of sheet metal forming tailored to material type and processing

H Vegter, H Mulder, P van Liempt, J Heijne - International Journal of …, 2016 - Elsevier
In the previous decades much attention has been given on an accurate material description,
especially for simulations at the design stage of new models in the automotive industry …

Dislocation-density function dynamics–An all-dislocation, full-dynamics approach for modeling intensive dislocation structures

HS Leung, AHW Ngan - Journal of the Mechanics and Physics of Solids, 2016 - Elsevier
It has long been recognized that a successful strategy for computational plasticity will have
to bridge across the meso scale in which the interactions of high quantities of dislocations …

Binary dislocation junction formation and strength in hexagonal close-packed crystals

CC Wu, S Aubry, A Arsenlis, PW Chung - International Journal of Plasticity, 2016 - Elsevier
This work examines binary dislocation interactions, junction formation and junction strengths
in hexagonal close-packed (hcp) crystals. Through a line-tension model and dislocation …

A Continuum Model for Slip-Twinning Interactions in Magnesium and Magnesium Alloys

YR Chang - 2016 - thesis.library.caltech.edu
Due to their high specific strength and low density, magnesium and magnesium-based
alloys have gained great technological importance in recent years. However, their …