Linear transfomation-based anisotropic yield functions
In this paper, anisotropic yield functions based on linear transformations of the stress
deviator are discussed in general terms. Two specific convex formulations are proposed to …
deviator are discussed in general terms. Two specific convex formulations are proposed to …
A criterion for description of anisotropy and yield differential effects in pressure-insensitive metals
This paper is devoted to modeling the asymmetry and anisotropy in yielding of pressure
insensitive metals. First, a new isotropic yield criterion with threefold rotational symmetry …
insensitive metals. First, a new isotropic yield criterion with threefold rotational symmetry …
A non-quadratic pressure-sensitive constitutive model under non-associated flow rule with anisotropic hardening: Modeling and validation
A non-associated flow rule (non-AFR) constitutive model is proposed to describe the
evolving yield stress and plastic potential surfaces of sheet metal under plane stress …
evolving yield stress and plastic potential surfaces of sheet metal under plane stress …
New convex yield functions for orthotropic metal plasticity
H Aretz, F Barlat - International Journal of non-linear mechanics, 2013 - Elsevier
Two new yield functions for orthotropic sheet metals are proposed. The first one, called
Yld2011-18p, provides 18 parameters that may be calibrated to experimental data. The …
Yld2011-18p, provides 18 parameters that may be calibrated to experimental data. The …
Cruciform-shaped specimens for elevated temperature biaxial testing of lightweight materials
A custom biaxial testing fixture was used to evaluate new cruciform geometries. Specimens
consisting of AA5083, Mg AZ31B, and TWIP steel were quasi-statically deformed to failure at …
consisting of AA5083, Mg AZ31B, and TWIP steel were quasi-statically deformed to failure at …
Stress integration schemes for novel homogeneous anisotropic hardening model
Numerical formulations and implementation of stress integration algorithms in the elasto-
plastic finite element method are provided for the homogeneous yield function-based …
plastic finite element method are provided for the homogeneous yield function-based …
Simulation of earing during deep drawing of an Al–3% Mg alloy (AA 5754) using a texture component crystal plasticity FEM
A texture component crystal plasticity finite element method (TCCP-FEM) is used for the
simulation of the deep drawing process of sheet aluminium of the alloy AA 5754 (AlMg3 …
simulation of the deep drawing process of sheet aluminium of the alloy AA 5754 (AlMg3 …
Performance Evaluation of Yield Function and Comparison of Yielding Characteristics of SS 304 in Annealed and Unannealed Conditions
Sheet metal forming forms in numerous industries like vehicle depend on the yielding of the
sheet metals when strained. Yielding is portrayed by plastic flow of the materials when …
sheet metals when strained. Yielding is portrayed by plastic flow of the materials when …
Measurement of directional anisotropy coefficients for AA7020-T6 tubes and prediction of forming limit curve
The mechanical properties of tubes in hoop directions can be measured with ring hoop
tensile test (RHTT). This test involves placing a ring sample of tube over the two D-shaped …
tensile test (RHTT). This test involves placing a ring sample of tube over the two D-shaped …
Modeling and simulation of the forming of aluminum sheet alloys
This article discusses the numerical simulation of the forming of aluminum alloy sheet
metals. The macroscopic and microscopic aspects of the plastic behavior of aluminum alloys …
metals. The macroscopic and microscopic aspects of the plastic behavior of aluminum alloys …