Damage and fracture prediction of 7075 high-strength aluminum alloy during cryogenic stamping process
W Liu, Y Hao - Mechanics of Materials, 2021 - Elsevier
In order to accurately predict the damage and fracture behaviors of a 7075 aluminum alloy
during cryogenic stamping, a nonlinear damage model taking into account stress triaxiality …
during cryogenic stamping, a nonlinear damage model taking into account stress triaxiality …
Extended Gurson-Tvergaard-Needleman model considering damage behaviors under reverse loading
H Wu, C Zhang, H Yang, X Zhuang, Z Zhao - International Journal of …, 2024 - Elsevier
Void nucleation, growth, deformation and coalescence are the main microscopic damage
mechanisms for plastic deformation of sheet metals. To describe the effect of reverse loading …
mechanisms for plastic deformation of sheet metals. To describe the effect of reverse loading …
On the structure of poroplastic constitutive relations
AA Benzerga - Journal of the Mechanics and Physics of Solids, 2023 - Elsevier
The paper discusses from first principles all aspects relevant to the plasticity of porous
materials. Emphasis is laid on unhomogeneous yielding, defined as the process of yielding …
materials. Emphasis is laid on unhomogeneous yielding, defined as the process of yielding …
A strain gradient plasticity model of porous single crystal ductile fracture
A strain gradient void-driven ductile fracture model of single crystals is proposed and
applied to simulate crack propagation in single and oligo-crystal specimens. The model is …
applied to simulate crack propagation in single and oligo-crystal specimens. The model is …
Generalizing the Gurson model using symbolic regression and transfer learning to relax inherent assumptions
To generate material models with fewer limiting assumptions while maintaining closed-form,
interpretable solutions, we propose using genetic programming based symbolic regression …
interpretable solutions, we propose using genetic programming based symbolic regression …
A Gurson-type layer model for ductile porous solids containing ellipsoidal voids with isotropic and kinematic hardening
The aim of this work is to extend Gurson's model for plastic porous materials by considering
the effects of void shape and heterogeneous hardening, which are both important for cyclic …
the effects of void shape and heterogeneous hardening, which are both important for cyclic …
Classical and sequential limit analysis revisited
The classical theory of limit analysis needs little introduction. This very useful theory is
however based on the restrictive assumptions of ideal plasticity and linearized geometrical …
however based on the restrictive assumptions of ideal plasticity and linearized geometrical …
Homogenized constitutive equations for porous single crystals plasticity
Ductile fracture through void growth to coalescence occurs at the grain scale in numerous
metallic alloys encountered in engineering applications. Classical models used to perform …
metallic alloys encountered in engineering applications. Classical models used to perform …
Analysis of shear ductile damage in forming processes using a micromechanical model with void shape effects
The aim of this work is to investigate and predict ductile failure in forming processes.
Experimental results of deep drawing and corrugation processing on aluminum alloys …
Experimental results of deep drawing and corrugation processing on aluminum alloys …
Yield criterion and finite strain behavior of random porous isotropic materials
J Hure - European Journal of Mechanics-A/Solids, 2021 - Elsevier
The mechanical response of isotropic elastoplastic materials containing random
distributions of initially spherical voids is investigated computationally based on Fast Fourier …
distributions of initially spherical voids is investigated computationally based on Fast Fourier …