Overview on the prediction models for sheet metal forming failure: Necking and ductile fracture

Q Hu, F Zhang, X Li, J Chen - Acta Mechanica Solida Sinica, 2018 - Springer
The formability of the material determines the amount of available deformation before failure
and thus is important for the production of various structural components in industries. The …

Modeling of localization and fracture phenomena in strain and stress space for sheet metal forming

M Gorji, B Berisha, P Hora, F Barlat - International Journal of Material …, 2016 - Springer
In this study, a model based on a strain localization level to overcome the shortcomings of
the well-established Forming Limit Diagram (FLD) in predicting the physical phenomenon of …

Experimental study on the evolution of necking zones of metallic materials

PD Versaillot, YF Wu, ZL Zhao - International Journal of Mechanical …, 2021 - Elsevier
Localization of plastic strain, also known as necking, is an important failure mechanism of
metals. Although metals are widely used in engineering, it remains unclear how the necking …

A novel spatio-temporal method for determining necking and fracture strains of sheet metals

R Zhang, Z Shi, Z Shao, TA Dean, J Lin - International Journal of …, 2021 - Elsevier
Forming limit diagrams (FLDs) and fracture forming limit diagrams (FFLDs) have been
widely used to evaluate formability of sheet metals. There are many existing methods for …

Effect of through thickness strain distribution on shear fracture hazard and its mitigation by using multilayer aluminum sheets

M Gorji, B Berisha, N Manopulo, P Hora - Journal of Materials Processing …, 2016 - Elsevier
The formability of sheet metal is generally accepted to be limited by the so-called Forming
Limit Curve (FLC). This is valid for a majority of operations, given that localization …

Experimental detection of forming limit strains on samples with multiple local necks

D Vysochinskiy, T Coudert, OS Hopperstad… - Journal of Materials …, 2016 - Elsevier
Sheet metal formability is traditionally described by the forming limit curve (FLC).
Experimental FLCs are obtained by performing formability tests and determining failure …

A New Method for Determining Necking of Sheet Metal Based on Main Strain Topography

L Shi, Y Yang, B Hou, W Gu, H Zhao, Y Feng, Z Hang - Coatings, 2024 - mdpi.com
There are various methods to evaluate the forming limit of a sheet, and these criteria can be
classified as position-dependent, time-dependent, and position-time dependent according to …

Numerical simulation on edge crack of advanced high-strength steel considering blanking induced damage

X Yu, J Chen, B Zhang - Journal of Materials Engineering and …, 2020 - Springer
Sheet metal blanking is an indispensible process for stamping process widely used in
automotive industry and home appliances. The damage induced by blanking becomes an …

Experimental and numerical study on the collapsing behavior of structural systems with steel members arranged in parallel under tension

S Altai, SL Orton, FM Hussein, Z Chen - International Journal of Steel …, 2023 - Springer
Prediction of possible structural collapse scenarios requires the experimental
characterization of post-peak behaviors of structural members. The post-peak behavior of …

An investigation of clay percentage variation on composite materials sustainability identification by digital image correlation

AS Mulay, N Soni - Advances in Materials and Processing …, 2024 - Taylor & Francis
The study focuses on stress and strain evaluation of composite resin material with the
reinforcement of clay in the glass-reinforced epoxy composite (GREC). The strain …