In this work, ductility limits of metallic materials, associated with the occurrence of strain localization, are predicted using the GTN damage model coupled with bifurcation theory. The resulting approach is implemented into the finite element code ABAQUS within the framework of large plastic strains and a fully three-dimensional formulation. A parametric study with respect to damage and hardening parameters is conducted in order to identify the most influential material parameters on strain localization. The analysis shows that the damage parameters have a significant impact on the predicted ductility limits, while the effect of hardening parameters on strain localization depends on the choice of void nucleation mechanism
In this paper, forming limit diagrams (FLDs) for an aluminum alloy are predicted through numerical s...
Abstract In this paper, forming limit diagrams (FLDs) for an aluminum alloy are predicted through nu...
La mise en forme des tôles minces est sans aucun doute l’un des procédés de fabrication les plus uti...
In this work, ductility limits of metallic materials, associated with the occurrence of strain loca...
In this work, ductility limits of metallic materials, associated with the occurrence of strain local...
International audienceThe localization of deformation into planar bands is often considered as the u...
In this work, we propose to couple the Gurson-Tvergaard-Needleman (GTN) model, known for ...
Because the localization of deformation into narrow planar bands is often precursor to material fail...
International audienceIn this paper, four plastic instability criteria, which are based on the bifur...
International audienceThe ductility limits of an St14 steel are investigated using an elastic-plasti...
The strain localization phenomenon that may occur during sheet metal forming represents a major caus...
In this work, an elastic–plastic model with Hill’48 anisotropic yield surface is coupled with the co...
This work aims to study the strain localization in different sheet metal forming processesby the fin...
The scientific literature has shown the strong effect of void size on material response. Several yie...
Sheet metal forming is undoubtedly a manufacturing process that has massive applications in numerous...
In this paper, forming limit diagrams (FLDs) for an aluminum alloy are predicted through numerical s...
Abstract In this paper, forming limit diagrams (FLDs) for an aluminum alloy are predicted through nu...
La mise en forme des tôles minces est sans aucun doute l’un des procédés de fabrication les plus uti...
In this work, ductility limits of metallic materials, associated with the occurrence of strain loca...
In this work, ductility limits of metallic materials, associated with the occurrence of strain local...
International audienceThe localization of deformation into planar bands is often considered as the u...
In this work, we propose to couple the Gurson-Tvergaard-Needleman (GTN) model, known for ...
Because the localization of deformation into narrow planar bands is often precursor to material fail...
International audienceIn this paper, four plastic instability criteria, which are based on the bifur...
International audienceThe ductility limits of an St14 steel are investigated using an elastic-plasti...
The strain localization phenomenon that may occur during sheet metal forming represents a major caus...
In this work, an elastic–plastic model with Hill’48 anisotropic yield surface is coupled with the co...
This work aims to study the strain localization in different sheet metal forming processesby the fin...
The scientific literature has shown the strong effect of void size on material response. Several yie...
Sheet metal forming is undoubtedly a manufacturing process that has massive applications in numerous...
In this paper, forming limit diagrams (FLDs) for an aluminum alloy are predicted through numerical s...
Abstract In this paper, forming limit diagrams (FLDs) for an aluminum alloy are predicted through nu...
La mise en forme des tôles minces est sans aucun doute l’un des procédés de fabrication les plus uti...