Results 11 to 20 of about 44,196 (307)

Giant Plasticity of a Quantum Crystal [PDF]

open access: yesPhysical Review Letters, 2013
accepted by Physical Review ...
Haziot, Ariel   +4 more
openaire   +3 more sources

Influence of Crystal Plasticity Parameters on the Strain Hardening Behavior of Polycrystals

open access: yesCrystals, 2021
The effective mechanical properties of a polycrystal depend directly on the single-crystal properties of each grain and its crystallographic orientation with respect to the load axis.
Mahdieh Shahmardani   +2 more
doaj   +1 more source

Cooperativity in plastic crystals

open access: yesPhysical Review E, 2018
A statistical mechanical model previously adopted for the analysis of the α-relaxation in structural glass formers is rederived within a general theoretical framework originally developed for systems approaching the ideal glassy state. The interplay between nonexponentiality and cooperativity is reconsidered in the light of energy landscape concepts ...
Pieruccini M, Tombari E
openaire   +3 more sources

Computationally efficient predictions of crystal plasticity based forming limit diagrams using a spectral database [PDF]

open access: yes, 2018
The present investigation focuses on the development of a fast and robust numerical tool for the prediction of the forming limit diagrams (FLDs) for thin polycrystalline metal sheets using a Taylor-type (full constraints) crystal plasticity model.
Akash Gupta   +7 more
core   +1 more source

Crystal plasticity analysis of mechanical response and size effect in two phase alloys with dispersion of fine particles [PDF]

open access: yes, 2015
Plastic deformation and dislocations accumulation in a steel alloy dispersed with vanadium carbide particles is numerically analyzed by a crystal plasticity finite element technique and work hardening characteristics are discussed.
80312445   +6 more
core   +1 more source

Influence of the Yield Surface Curvature on the Forming Limit Diagrams Predicted by Crystal Plasticity Theory [PDF]

open access: yes, 2016
The aim of this paper is to investigate the impact of the microscopic yield surface (i.e., at the single crystal scale) on the forming limit diagrams (FLDs) of face centred cubic (FCC) materials.
ABED-MERAIM, Farid   +2 more
core   +1 more source

Temperature-dependent constitutive modeling of a magnesium alloy ZEK100 sheet using crystal plasticity models combined with in situ high-energy X-ray diffraction experiment

open access: yesJournal of Magnesium and Alloys, 2022
A multiscale crystal plasticity model accounting for temperature-dependent mechanical behaviors without introducing a larger number of unknown parameters was developed.
Hyuk Jong Bong   +3 more
doaj   +1 more source

A crystal plasticity based approach for the modelling of high cycle fatigue damage in metallic materials [PDF]

open access: yes, 2016
In this paper, a polycrystalline model is proposed to describe the fatigue behaviour of metallic materials in the high cycle fatigue regime. The model is based on a multiscale approach, which allows the connection of local deformation and damage ...
MOREL, Franck   +3 more
core   +1 more source

Crystal Plasticity Modeling and Experimental Validation with an Orientation Distribution Function for Ti-7Al Alloy

open access: yesMetals, 2017
An orientation distribution function based model is used for micromechanical modeling of the titanium-aluminum alloys, Ti-0 wt % Al and Ti-7 wt % Al, which are in demand for many aerospace applications. This probability descriptor based modeling approach
Pınar Acar   +2 more
doaj   +1 more source

Line-tension model for plasticity as the Gamma-limit of a nonlinear dislocation energy [PDF]

open access: yes, 2012
In this paper we rigorously derive a line-tension model for plasticity as the Gamma-limit of a nonlinear mesoscopic dislocation energy, without resorting to the introduction of an ad hoc cut-off radius.
Scardia, L.   +4 more
core   +1 more source

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