To describe the nonlinear stress-strain response in the unloading-reloading process, a
model was proposed for the variation of the elastic modulus during the process. This model …

Springback is one of the most important problems that should be compensated in sheet
metal forming process with the increasing application of advanced high strength steels and …

In this study, the performance of conventional and advanced constitutive models to the
prediction of springback for ultra-high strength steel was assessed. The elasto-plastic …

In the cyclic plasticity deformation of metallic materials, nonlinear elastic unloading and
subsequent smooth elastic–plastic stress–strain behavior is observed in reverse loading …

The main goal of this study is to evaluate the influence of work-hardening modeling in
springback prediction in the first phase of the Numisheet'05 “Benchmark 3”: the U-shape …

Accurate springback prediction by finite element simulation requires the use of accurate
material models to describe the deformation behavior of the sheet metal that are properly …

In this work, a constitutive model based on anisotropic hardening was used in the finite
element (FE) simulations of springback and its performance was compared with that of …

The stress–strain response of some materials, such as advanced high strength steels,
during unloading is nonlinear after the material has been loaded into the plastic deformation …

Advanced high strength steels are widely used in the automotive industry due to their
appropriate strength to weight ratio. This alloy has unique hardening behavior and variable …

Springback simulation of stamped sheet metal components using finite element method
depends on the accuracy of appropriate material models and consideration of appropriate …