Journal ArticleDOI
A general forming limit criterion for sheet metal forming
TLDR
In this article, it is shown that the forming limit for both proportional loading and non-proportional loading can be explained from a single criterion which is based on the state of stress rather than the state-of-stress.About:
This article is published in International Journal of Mechanical Sciences.The article was published on 2000-01-01. It has received 397 citations till now. The article focuses on the topics: Stamping & Sheet metal.read more
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Journal ArticleDOI
The Effect of Prebending on the Formability in the Tube Hydroforming Process of an Aluminum Rear Subframe
TL;DR: In this paper, the effects of 2D and 3D prebending on the forming limit in the tube hydroforming process of an automotive rear subframe are evaluated and compared through finite element analyses and experimental tryouts.
Journal ArticleDOI
A ductile failure criterion for predicting sheet metal forming limit
Z. Q. Sheng,P. K. Mallick +1 more
TL;DR: In this paper, a new Ductile Failure Criterion (DFC) is proposed to predict forming limits for sheet metal forming, where damage growth is defined by a modified McClintock formula, stretching failure is defined at Localized Necking (LN) or Fracture without LN, and critical damage is defined as a function of strain path and initial sheet thickness.
Journal ArticleDOI
Forming Limit Diagram Generation from In-Plane Uniaxial and Notch Tensile Test with Local Strain Measurement through Digital Image Correlation
TL;DR: In this article, the left side of the forming limit curve (uniaxial tensile to plane strain tensile) is experimentally determined from in-plane uniaxial and notch tensile test with local strain measurement through digital image correlation technique.
Journal ArticleDOI
Predicting breakage on a die radius with a straight bend axis during sheet forming
B. S. Levy,C.J. Van Tyne +1 more
TL;DR: In this article, the authors analyzed data from an angular stretch bend test to determine the applied stress on a bend that caused breakage for a range of die radius, sheet thickness, and steel grade.
Journal ArticleDOI
A review of recent investigations using the Marciniak-Kuczynski technique in conjunction with crystal plasticity models
TL;DR: In this article, the authors present a comprehensive summary of the studies available in the literature (i.e. studies using a texture-based yield criterion, a CP-FEM textural inhomogeneity approach and rate independent and rate-dependent constitutive descriptions under full-constraint and self-consistent homogenization conditions).
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Review of theoretical models of the strain-based FLD and their relevance to the stress-based FLD
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