Two ways of determining Bridgman's parameters are presented to estimate the equivalent
Bridgman stress–strain (BSS) curve after the onset of necking in cylindrical specimens. The …

The static elastoplastic characterization of metals consists of the determination, by way of
experimental tensile tests, of the curve expressing the equivalent von Mises stress as a …

The true stress–strain curve has a significant role in the analysis of deformation in theoretical
plasticity and numerical simulations. Because of the triaxial state of stress in the neck zone …

Simulations and structural integrity evaluations including severe plasticity have undergone
significant expansion during recent years (eg fracture mechanics FE models including …

Uniaxial tensile tests were conducted at room temperature, 100° C and 150° C, for obtaining
necking-corrected stress–strain curves until fracture. The necking correction is based on …

In the tensile test necking occurs at the maximum load point and non-uniform stress state is
generated in this section. The equivalent stress becomes quite different from the axial stress …

This paper deals with a new method of strain measurement applied to the experimental
determination of the forming limit diagrams of thin steel sheets. This method uses the …

To make comparison between classic necking stress solution Bridgman formula and
ChenChi formula, the difference of necking surface profile assumptions in these two …

In this study, the necking three-dimensional strain on minimum cross-section at room
temperature was performed experimentally and analytically. A modified strain assumption …

The goal in this research is to evaluate the correct true stress-true strain curve after local
necking up to a true strain of 1.0. To achieve this goal, a smooth round tension test was …