659 687.
Steel sheet forming isotropic or anisotropic.
The method calculates the response of a small amount of the blank using crystal plasticity.
Both the isotropic and anisotropic damage models from lemaitre are implemented in an in house implicit finite element code.
International journal of plasticity 26.
Technology and machine tools for cold metal forming tpr 2000 cluj napoca romania 11 12.
A method of fabricating an article from a blank of material e g aluminum alloy sheet having anisotropic deformation properties with tooling which has been designed by predicting flow and deformation of the blank using an analysis which decouples the anisotropic deformation properties of the blank.
Due to the different microstructure configurations these two steels show significant differences in plasticity behavior as well as.
The damage model is coupled with an elasto plastic material model using anisotropic plasticity hill 48 yield criterion and strain rate dependent isotropic hardening.
The isotropic steel sheet is used in two configurations i in the mid depth of the beam sandwiched between the different frp layers and ii on the side face of the beam.
A non associated anisotropic plasticity model with mixed isotropic kinematic hardening for finite element simulation of incremental sheet metal forming process.
Some comments on a new anisotropic yield criterion 7 11 natl.
Vladimirov in pietryga mp reese s 2010 anisotropic finite elastoplasticity with nonlinear kinematic and isotropic hardening and application to sheet metal forming.
The international journal of advanced manufacturing technology vol.
Hybrid beam in this study consists of a number of layers of anisotropic fiber reinforced polymer frp and a layer of isotropic steel sheet.
Plast 26 9 2010 pp.
Rolled sheets elastic deformation is much smaller compared with the plastic deformation so only the anisotropic plasticity is nor mally considered.
Sheet metal forming limits under stretch bending with anisotropic hardening ji hea b z.
Vladimirov i n pietryga m p reese s anisotropic finite elastoplasticity with nonlinear kinematic and isotropic hardening and application to sheet metal forming int.