A new method for localized necking detection in uniaxial tensile testing based on a multi-camera DIC system

S Fang, X Zheng, B Guo, B Sia, L Yang - Materials Today Communications, 2023 - Elsevier
Understanding and predicting the onset and behavior of localized necking is important for
the design and optimization of structures and components. Capturing the onset of localized …

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 …

Quantifying necking of rectangular tensile specimens using a mirror-based image analysis system

KE Yazzie, JJ Williams, N Chawla - Materials Letters, 2012 - Elsevier
The cross-sectional area of a neck in a rectangular tensile specimen is not easily measured.
In this paper, a technique for accurately quantifying instantaneous necking geometry of …

A method of detecting the onset of localized necking based on surface geometry measurements

J Min, TB Stoughton, JE Carsley, J Lin - Experimental Mechanics, 2017 - Springer
To more accurately capture the onset of localized necking and obtain necking limit strains,
this paper proposes a method of detecting the onset of localized necking in the Marciniak …

Novel method to assess anisotropy in formability using DIC

E Seidi, SF Miller, F Kaviari, L Huang… - International Journal of …, 2025 - Elsevier
In this study, a novel technique was developed to identify localized neck of a tensile sample
based on the curvature of the surface that is expected to work with any metal in which a …

Characterisation of diffuse and local necking of Aluminium alloy sheets using DIC technique

S Szalai, D Harangozó, I Czinege - Acta Technica Jaurinensis, 2019 - acta.sze.hu
This paper introduces a new method for the characterisation of the boundary of diffuse and
local necking based on DIC measurements during tensile tests. A series of images illustrate …

Determination of the forming-limit diagram from deformations within necking instability: a digital image correlation-based approach

A Roatta, M Stout, JW Signorelli - Journal of Materials Engineering and …, 2020 - Springer
It is now possible using digital-image correlation techniques to precisely measure
deformation within a developing necking instability, during forming-limit experiments …

A Methodology for Post-Necking Analysis in Isotropic Metals

M Scapin, M Beltramo - Metals, 2024 - mdpi.com
Metallic materials are commonly characterized through tensile tests. For ductile metals, a
consistent part of the test occurs after the necking onset. A first estimate of the post-necking …

FE simulation and full-field strain measurements to evaluate the necking phenomena

F Abbassi, S Mistou, O Pantalé, A Zghal - Procedia manufacturing, 2015 - Elsevier
During airbag production, many parts are obtained by plastic deformation such as the lid of
the gas generator. Since the airbag gas generator is a significant vehicle safety part, several …

Temporal and spatial detection of the onset of local necking and assessment of its growth behavior

C Jaremenko, E Affronti, M Merklein, A Maier - Materials, 2020 - mdpi.com
This study proposes a method for the temporal and spatial determination of the onset of local
necking determined by means of a Nakajima test set-up for a DC04 deep drawing and a …