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
Citations
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Journal ArticleDOI
Effect of Strain Rate and Friction on Formability According to Major Deformation Modes in Sheet Metal Forming
TL;DR: In this article , the effects of strain rate and friction on the formability of the steel sheet are studied according to the three major deformation modes that are widely used in the industry.
Proceedings ArticleDOI
Strain- and stress-based forming limit curves of DP440 steel sheet with application to the cross-die forming test
TL;DR: In this article, an experimental and numerical forming limit curve (FLC) and forming limit stress curves (FLSC) for DP440 high-strength steel (HSS) sheets were developed and analyzed in depth.
Journal ArticleDOI
Proposal of a New Tool for Pre-Straining Operations of Sheet Metals and an Initial Investigation of CR4 Mild Steel Formability
TL;DR: In this article , a pre-strain of a sheet large enough to cut out Nakajima specimens to perform post-straining in any direction was performed to predict the onset of necking with promising results.
Journal ArticleDOI
Prediction of T-Shaped Tube Hydroforming Stress Limit
Lin Zhou,Xiao Min Cheng +1 more
TL;DR: In this paper, the FLSD of 2008T4 tube blank was established to predict fracture defect in T-shaped tube hydroforming simulation by numerical simulation method, the stress limit and strain limit were analyzed and fracture defects were predicted.
Journal ArticleDOI
Prediction and Validation of Stress Triaxiality Assisted by Elasto-Visco-Plastic Polycrystal Model
Jinhwa Park,Youngung Jeong +1 more
TL;DR: In this paper , the ΔEVPSC numerical code based on the elasto-visco-plastic HEM (Homogeneous Effective Medium) provides a multiscale constitutive modeling framework that is suitable for describing a wide range of mechanical behaviors of polycrystalline metals.
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