Keywords: بی ثباتی پلاستیک; Accumulative roll-bonding; Finite element method; Hardness; Tensile test; Plastic instability; Texture;
مقالات ISI بی ثباتی پلاستیک (ترجمه نشده)
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Keywords: بی ثباتی پلاستیک; Thick cylinder; Bifurcation; Pressure vessels; Plastic instability; Elastic-plastic; Bulging;
Keywords: بی ثباتی پلاستیک; clad sheets; plastic instability; necking; cold rolling; finite element analysis;
Keywords: بی ثباتی پلاستیک; Aluminium alloys; Nanoindentation; Plastic instability; Thermally activated processes;
Keywords: بی ثباتی پلاستیک; Plastic instability; Dislocation density evolution; Strain hardening; Strain rate sensitivity; Ultrafine-grained materials;
Keywords: بی ثباتی پلاستیک; AZ31B magnesium alloy; Hot workability; Damage; Plastic instability; TEM analysis; FEM;
Keywords: بی ثباتی پلاستیک; Plastic instability; Limit load; Conical shells;
Keywords: بی ثباتی پلاستیک; Al-Li alloys; Age hardening; Plastic instability; Order hardening; TEM;
Mechanism of huge Lüders-type deformation in ultrafine grained austenitic stainless steel
Keywords: بی ثباتی پلاستیک; Yield point; Lüders band; Plastic instability; Deformation induced martensitic transformation; Austenitic stainless steel; Ultra-fine grains;
Investigation of short-term creep deformation mechanisms in MarBN steel at elevated temperatures
Keywords: بی ثباتی پلاستیک; MarBN steel; Dislocation climb; Plastic instability; Short-term creep;
Temperature dependence of Lüders strain and its correlation with martensitic transformation in a medium Mn transformation-induced plasticity steel
Keywords: بی ثباتی پلاستیک; Medium Mn steel; TRIP effect; Lüders band; Plastic instability; Martensitic transformation;
The chip-flow behaviors and formation mechanisms in the orthogonal cutting process of Ti6Al4V alloy
Keywords: بی ثباتی پلاستیک; Metal orthogonal cutting; Chip flow stability; Plastic instability; Shear deformation localization; Instability criterion;
Deformation behavior and constitutive model for dual-phase Mg-Li alloy at elevated temperatures
Keywords: بی ثباتی پلاستیک; constitutive model; Mg-Li alloy; plastic instability; Zener-Hollomon parameter;
Investigation of Portevin-Le Chatelier effect in 5456 Al-based alloy using digital image correlation
Keywords: بی ثباتی پلاستیک; Portevin-Le Chatelier effect; Digital image correlation; Plastic instability
Spatio-temporal characteristics of plastic instability in AA5182-O during biaxial deformation
Keywords: بی ثباتی پلاستیک; Aluminum alloys; Plastic instability; Portevin–Le Châtelier effect; Biaxial deformation
Correlation between band propagation property and the nature of serrations in the Portevin–Le Chatelier effect
Keywords: بی ثباتی پلاستیک; Portevin–Le Chatelier effect; Plastic instability; Band types; Small amplitude serrations; Dynamical approach
Strain-based plastic instability acceptance criteria for ferritic steel safety class 1 nuclear components under level D service loads
Keywords: بی ثباتی پلاستیک; Damage Initiation Model; Finite Element Analysis; Level D Service Loads; Plastic Instability; Safety Class 1 Nuclear Components; Strain-based Acceptance Criteria
Temperature and grain size dependent plastic instability and strain rate sensitivity of ultrafine grained austenitic Fe-14Cr-16Ni alloy
Keywords: بی ثباتی پلاستیک; Austenitic Fe-Cr-Ni alloy; Ultrafine grain; Temperature; Plastic instability; Strain rate sensitivity;
Observation and analysis of plastic instability in commercial pure Ti under dynamic simple shear
Keywords: بی ثباتی پلاستیک; Plastic instability; Dynamic shear; High strain rate; Titanium;
Determination of the intrinsic behavior of polymers using digital image correlation combined with video-monitored testing
Keywords: بی ثباتی پلاستیک; Plastic instability; Large strain behavior; True stress–strain measurement; Tension–compression asymmetry
On the critical strain for the onset of plastic instability in an austenitic FeMnC steel
Keywords: بی ثباتی پلاستیک; Steel; TWIP; Plastic instability; Strain inhomogeneities; Dynamic phenomena
Analytical solution for stress, strain and plastic instability of pressurized pipes with volumetric flaws
Keywords: بی ثباتی پلاستیک; Corroded pipe; Burst pressure; Plastic instability
Impact of intragranular microstructure development on ductility limits of multiphase steels
Keywords: بی ثباتی پلاستیک; Micromechanics; Crystal plasticity; Self-consistent scale-transition; Intragranular substructure; Ductility; Plastic instability
Evaluation of effect of flow stress characteristics of tubular material on forming limit in tube hydroforming process
Keywords: بی ثباتی پلاستیک; Tube hydroforming; Forming limit curve; Plastic instability; Flow stress; Uniaxial tensile test; Free bulge test
An overview of stabilizing deformation mechanisms in incremental sheet forming
Keywords: بی ثباتی پلاستیک; Incremental sheet forming; Forming mechanisms; Enhanced formability; Necking; Plastic instability
Thermal softening induced plastic instability in rate-dependent materials
Keywords: بی ثباتی پلاستیک; Linear perturbation analysis; Rate dependent; Thermal softening; Plastic instability; Johnson–Cook material
Strain localisation patterns under equal-channel angular pressing
Keywords: بی ثباتی پلاستیک; Plastic instability; Shear bands; Equal-channel angular pressing; Back-pressure; Magnesium alloy
Ellipticity loss analysis for tangent moduli deduced from a large strain elastic–plastic self-consistent model
Keywords: بی ثباتی پلاستیک; Scale transition; Ductility; Rice’s criterion; Ellipticity Limit Diagram; Plastic instability
Effect of pre-deformation on the tensile properties of a metastable austenitic steel
Keywords: بی ثباتی پلاستیک; Metastable austenite; Strain-induced martensite; Mechanical stabilization; Strain hardening; Plastic instability
Digital Image Correlation investigation of Portevin–Le Chatelier effect in an aluminium alloy
Keywords: بی ثباتی پلاستیک; Digital Image Correlation; Plastic instability; Portevin–Le Chatelier effect
Influences of generalized loading parameters on FLD predictions for aluminum tube hydroforming
Keywords: بی ثباتی پلاستیک; FLC for tube hydroforming; Forming limit curves; Forming limit diagram; Plastic instability; Combinations of generalized loading parameters; Aluminum tubes; Tube hydroforming
A numerical analysis of sheet metal formability for automotive stamping applications
Keywords: بی ثباتی پلاستیک; 02.60; 07.05.Tp; 62.20.Fe; 81.20.Hy; 81.40.Lm; 83.10.GrSheet metal; FLD; Plastic instability; Anisotropy; Stamping
A simple isotropic-distortional hardening model and its application in elastic–plastic analysis of localized necking in orthotropic sheet metals
Keywords: بی ثباتی پلاستیک; Localized necking; Plastic instability; Distortional hardening; Sheet metal forming
Deformation behavior and plastic instability of off-stoichiometric Co–Fe alloys
Keywords: بی ثباتی پلاستیک; Mechanical properties; Deformation behavior; Plastic instability; Casting
A new failure criterion for materials exhibiting ratcheting during very low cycle fatigue
Keywords: بی ثباتی پلاستیک; Very low cycle fatigue; Ratcheting/cyclic creep; Plastic strain; Plastic instability
Numerical analysis of diffuse and localized necking in orthotropic sheet metals
Keywords: بی ثباتی پلاستیک; Necking; Plastic instability; Sheet metal forming; Portevin–LeChatelier effect; Orthotropy
Analytical and numerical study on plastic instabilities for axisymmetric tube bulging
Keywords: بی ثباتی پلاستیک; Tube hydroforming; Tube bulging; Axisymmetric shells; Plastic instability; Local necking; Diffuse necking
Influence of loading path on the plastic instability strain in anisotropic plane sheets
Keywords: بی ثباتی پلاستیک; Plastic instability; Loading path; Anisotropic plane sheet; Limit drawing ratio;
Some aspects of Portevin-Le Chatelier plastic instabilities investigated by infrared pyrometry
Keywords: بی ثباتی پلاستیک; Portevin-Le Chatelier effect; Dynamic strain aging; Plastic instability; Infrared pyrometry;
Plastic collapse of pipe bends under combined internal pressure and in-plane bending
Keywords: بی ثباتی پلاستیک; Pipe bend; Plastic collapse criterion; Plastic instability; Geometric non-linearity;
Spatial characteristics of the Portevin-Le Chatelier deformation bands in Al-4Â at%Cu polycrystals
Keywords: بی ثباتی پلاستیک; Plastic instability; Portevin-Le Chatelier effect; PLC deformation bands; Digital speckle pattern interferometry; Digital speckle correlation;
Plastic instability in dual-pressure tube-hydroforming process
Keywords: بی ثباتی پلاستیک; Tube hydroforming; Plastic instability
Analysis of inertia and scale effects on dynamic neck formation during tension of sheet steel
Keywords: بی ثباتی پلاستیک; Constitutive relation; Dynamic tension; Normalization; Plastic instability; Numerical simulations
Analytical and numerical approach to prediction of forming limit in tube hydroforming
Keywords: بی ثباتی پلاستیک; Hydroforming; Plastic instability; Ductile fracture criterion; FEM;