Tensile behavior of CoCrFeMnN high-entropy alloy with intermediate strain rate included. (English) Zbl 07929177
MSC:
74-XX
Found 147 Documents (Results 1–100)
On a lack of stability of parametrized BV solutions to rate-independent systems with nonconvex energies and discontinuous loads. (English) Zbl 07899974
Experimental study and crystal plasticity modeling of additive manufacturing IN718 superalloy considering negative strain rate sensitivity behavior. (English) Zbl 07867725
MSC:
74-XX
A space-time gauge theory for dynamic plasticity: non-linear micro-inertia and its consequences. (English) Zbl 07849952
Experimental and numerical study on the tensile ductility of an aluminium alloy with heat-affected zones. (English) Zbl 07849946
MSC:
74-XX
Modeling of non-isothermal viscoelastic-viscoplastic deformation of bending reinforced plates. (English. Russian original) Zbl 1535.74509
Mech. Solids 58, No. 5, 1559-1577 (2023); translation from Izv. Ross. Akad. Nauk, Mekh. Tverd. Tela 2023, No. 5, 146-169 (2023).
Method for calculating the parameters of superplasticity of titanium alloys based on the results of test forming into a rectangular matrix at constant pressure. (English) Zbl 1535.74038
Material model identification from set of experiments and validation by DIC. (English) Zbl 1540.74022
Predicting hot deformation behaviors under multiaxial loading using the Gurson-Tvergaard-Needleman damage model for Ti-6Al-4V alloy sheets. (English) Zbl 1485.74087
Analysis of elastic-viscoplastic creep model based on variable-order differential operator. (English) Zbl 1481.74093
MSC:
74C10
Properties of the strain rate sensitivity function produced by the linear viscoelasticity theory and existence of its maximum with respect to strain and strain rate. (Russian. English summary) Zbl 1463.74036
On stability of periodic solutions of a “sweeping” process. (Russian. English summary) Zbl 1496.49014
Modeling of progressive failures in quasi-brittle media based on a temporal stress-redistribution mechanism. (English) Zbl 1481.74648
MSC:
74R05
Monotone increase of the strain rate sensitivity value of any parallel connection of the fractional Kelvin-Voigt models. (Russian. English summary) Zbl 1425.74114
MSC:
74D10
On the performance of GFEM with trigonometric enrichment in bidimensional dynamic elastoplastic modelling. (English) Zbl 1406.74645
Topology optimization of finite strain viscoplastic systems under transient loads. (English) Zbl 07878367
Properties of stress-strain curves generated by the nonlinear Maxwell-type viscoelastoplastic model under loading and unloading at constant stress rates. (Russian. English summary) Zbl 1424.74018
Efficient adjoint sensitivity analysis of isotropic hardening elastoplasticity via load steps reduction approximation. (English) Zbl 1439.74069
An elementary study of the stability of periodic solution of one “sweeping” process. (Russian. English summary) Zbl 1402.49023
The nonlinear Maxwell-type model for viscoelastoplastic materials: simulation of temperature influence on creep, relaxation and strain-stress curves. (Russian. English summary) Zbl 1413.74026
MSC:
74D10
Topology optimization for effective energy propagation in rate-independent elastoplastic material systems. (English) Zbl 1423.74755
Analysis of repeated impacts on a steel rod with visco-plastic material behavior. (English) Zbl 1278.74134
Anisotropic responses, constitutive modeling and the effects of strain-rate and temperature on the formability of an aluminum alloy. (English) Zbl 1426.74011
Numerical aspects in the finite element simulation of the Portevin-Le Chatelier effect. (English) Zbl 1227.74080
Constitutive relation for steels approximating quasi-static and intermediate strain rates at large deformations. (English) Zbl 1258.74029
MSC:
74C20
A consistent plasticity theory of incompressible and hydrostatic pressure sensitive metals - II. (English) Zbl 1258.74021
MSC:
74C05
Finite element response sensitivity analysis of multi-yield-surface \(J_{2}\) plasticity model by direct differentiation method. (English) Zbl 1229.74130
Stress-strain behaviour of aluminium alloys at a wide range of strain rates. (English) Zbl 1176.74004
Investigation of rotating hollow cylinders of strain-hardening viscoplastic materials by sequential limit analysis. (English) Zbl 1194.74023
An experimental and numerical investigation of the behaviour of AA5083 aluminium alloy in presence of the Portevin-le Chatelier effect. (English) Zbl 1419.74002
MSC:
74-05
The competition of grain size and porosity in the viscoplastic response of nanocrystalline solids. (English) Zbl 1388.74079
Dynamic tensile characteristics of TRIP-type and DP-type steel sheets for an auto-body. (English) Zbl 1388.74019
MSC:
74C10
Microstructural parameters affecting creep induced load shedding in Ti-6242 by a size-dependent crystal plasticity FE model. (English) Zbl 1216.74004
Effect of oxygen content and microstructure on the thermo-mechanical response of three Ti-6Al-4V alloys: experiments and modeling over a wide range of strain-rates and temperatures. (English) Zbl 1294.74021
Design sensitivity analysis and optimization for minimizing springback of sheet-formed part. (English) Zbl 1194.74266
A consistent plasticity theory of incompressible and hydrostatic pressure sensitive metals. (English) Zbl 1192.74040
MSC:
74C05
An inverse algorithm for the identification and the sensitivity analysis of the parameters governing micropolar elasto-plastic granular material. (English) Zbl 1161.74352
Theoretical and metrical standardization of strain rate sensitivity index. (English) Zbl 1220.74015
MSC:
74C99
A secant-viscosity composite model for the strain-rate sensitivity of nanocrystalline materials. (English) Zbl 1387.74092
Elasto-plastic material parameter identification by inverse methods: Calculation of the sensitivity matrix. (English) Zbl 1123.74022
Shape optimization for elasto-plastic deformation under shakedown conditions. (English) Zbl 1120.74709
Shape optimization of flow guides in three-dimensional extrusion processes by an approximation scheme based on state variable linearization. (English) Zbl 1110.74832
Design sensitivity analysis in large deformation elasto-plastic and elasto-viscoplastic problems. (English) Zbl 1110.74852
Towards an accurate description of the anisotropic behaviour of sheet metals under large plastic deformations: modelling, numerical analysis and identification. (English) Zbl 1230.74051
Dynamic strain aging and related instabilities: experimental, theoretical and numerical aspects. (English) Zbl 1093.74004
Sensitivity analysis and optimization of thermo-elasto-plastic processes with applications to welding side heater design. (English) Zbl 1112.74461
A modified finite difference sensitivity analysis method allowing remeshing in large strain path-dependent problems. (English) Zbl 1075.74693
Second-order theory for the effective behavior and field fluctuations in viscoplastic polycrystals. (English) Zbl 1074.74047
An improvement of the EDI method in linear elastic fracture mechanics by means of an \(a posteriori\) error estimator in \(G\). (English) Zbl 1047.74059
A viscoelastic constitutive model with nonlinear evolutionary internal variables. (English) Zbl 1064.74030
MSC:
74C10
Adjoint state method for shape sensitivity analysis in non-steady forming applications. (English) Zbl 1062.74584
On the computation of design derivatives for Huber-Mises plasticity with non-linear hardening. (English) Zbl 1062.74631
Sensitivity of plastic strain localization zones to boundary and initial conditions. (English) Zbl 1018.74522
Optimization of thermo-elasto-plastic processes using Eulerian sensitivity analysis. (English) Zbl 1078.74634
Computational design of deformation processes for materials with ductile damage. (English) Zbl 1018.74032
A continuum sensitivity method for finite thermo-inelastic deformations with applications to the design of hot forming processes. (English) Zbl 1026.74022
Die shape design optimization of sheet metal stamping process using meshfree method. (English) Zbl 1065.74584
Statistical aspects of the identification of material parameters for elasto-plastic models. (English) Zbl 1038.74012
Reviewer: G. Olenev (Tartu)
Sensitivity analysis of frame structures (virtual distortion method approach). (English) Zbl 0997.74045
Shape optimization and preform design in metal forming processes. (English) Zbl 1002.74080
Reviewer: Nicolae Sandru (Bucureşti)
Design of large-deformation steady elastoplastic manufacturing processes. II: Sensitivity analysis and optimization. (English) Zbl 1009.74051
Design sensitivity analysis and optimization of nonlinear transient dynamics. II: Configuration design. (English) Zbl 0991.74053
Design sensitivity analysis and optimization of nonlinear transient dynamics. I: Sizing design. (English) Zbl 0991.74052
A continuum Lagrangian sensitivity analysis for metal forming processes with applications to die design problems. (English) Zbl 0987.74052
Reviewer: Ladislav Prášek (Plzeň)
A nonlocal two-dimensional analysis of instabilities in tubes under internal pressure. (English) Zbl 0974.74025
Reviewer: H.Troger (Wien)
Discontinuity in sensitivity of elastoplastic bifurcation loads of finite-dimensional symmetric structures. (English) Zbl 0944.74027
Reviewer: T.Atanackovic (Novi Sad)
Approximate analytical equations for the deformation of an inclusion in a viscoplastic matrix. (English) Zbl 0948.74010
MSC:
74C20
Endochronic analysis for rate-dependent elasto-plastic deformation. (English) Zbl 0943.74007
MSC:
74C10
Local analytical design sensitivity analysis of the forging problem using FEM. (English) Zbl 0952.74055
Numerical implementation of a CTO-based implicit approach for the BEM solution of usual and sensitivity problems in elasto-plasticity. (English) Zbl 0973.74651
Behaviour of quasi-brittle material at high strain rate. Experiment and modelling. (English) Zbl 0967.74577
Suggestion of a new dimensionless number for dynamic plastic response of beams and plates. (English) Zbl 0955.74035
Reviewer: Yu.N.Sankin (Ul’yanovsk)
Identification of rheological behaviour by means of inverse analysis. (Identification du comportement rhéologique par analyse inverse.) (French) Zbl 0907.73003
Optimal process design in non-isothermal, non-steady metal forming by the finite element method. (English) Zbl 0908.73073
Computer aided design of pressure-time curve for superplastic forming based on numerical simulation. (Chinese. English summary) Zbl 0908.73031
Large plastic deformation of crystalline aggregates. CISM course, Udine, Italy, July 15–19, 1996. (English) Zbl 0898.73004
Reviewer: G.A.Maugin (Paris)
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