The hole expansion test is an appropriate evaluation method for assessing the formability of
automotive parts, where fracture prediction using simulated localized thickness is crucial …

The deformation behavior of 780MPa grade dual-phase steel sheet subjected to hole
expansion is investigated both experimentally and analytically to clarify the effect of the …

The deformation behavior of a high strength steel sheet in hole expansion tests using a flat-
bottomed cylindrical punch has been investigated both experimentally and analytically to …

The conical hole expansion test (HET) with a machined hole can induce a proportional
stress state of uniaxial tension at the edge to large strains which can be exploited for fracture …

The deformation behavior of high-strength steel sheet during hole expansion is investigated
both experimentally and analytically to clarify the effects of the material model (anisotropic …

The objective of this work is to characterize experimentally and predict analytically the hole
expansion ratio of steel sheets from uniaxial tensile properties. Firstly, finite element analysis …

This study investigates the influence of heat treatment on the anisotropic plastic deformation
behaviors of 6016-O and 6016-T4 aluminum alloy sheets. The two material samples were …

Practical evaluation and accurate prediction of edge cracking are challenging issues in
stamping AHSS for automotive body structures. This paper introduces a new hole-expansion …

Materials resistance to edge fracture in intricate shape forming is commonly quantified by
hole expansion ratio (HER). Hole expansion test is normally used to evaluate HER. To date …

The influence of yield function parameters on hole-expansion (HE) predictions are
investigated for an anisotropic AA6022-T4 aluminum sheet. The HE experiment is performed …