High resolution digital image correlation measurements of strain accumulation in fatigue crack growth

JD Carroll, W Abuzaid, J Lambros… - International Journal of …, 2013 - Elsevier
Microstructure plays a key role in fatigue crack initiation and growth. Consequently,
measurements of strain at the microstructural level are crucial to understanding fatigue crack …

Effect of Lode parameter on plastic flow localization after proportional loading at low stress triaxialities

M Dunand, D Mohr - Journal of the Mechanics and Physics of Solids, 2014 - Elsevier
The effect of the stress state on the localization of plastic flow in a Levy–von Mises material
is investigated numerically. A unit cell model is built with a spherical central void that acts as …

Review of techniques for fault diagnosis in damaged structure and engineering system

DN Thatoi, HC Das, DR Parhi - Advances in Mechanical …, 2012 - journals.sagepub.com
Focus has been made to give an overview of various methodologies used in fault diagnosis
and condition monitoring. A crack in vibrating structures can lead to premature failure if it is …

[HTML][HTML] A coupled elastoplastic-damage constitutive model with Lode angle dependent failure criterion

B Erice, F Gálvez - International Journal of Solids and Structures, 2014 - Elsevier
A coupled elastoplastic-damage constitutive model with Lode angle dependent failure
criterion for high strain and ballistic applications is presented. A Lode angle dependent …

Ductile fracture prediction of HPDC aluminum alloy based on a shear-modified GTN damage model

Y Zhang, J Zheng, F Shen, D Li, S Münstermann… - Engineering Fracture …, 2023 - Elsevier
In this paper, we investigate how the shear-modified Gurson-Tvergaard-Needleman (GTN)
model can be used to reveal the effect of manufacturing-process-induced porosity on the …

Measuring discontinuous displacement fields in cracked specimens using digital image correlation with mesh adaptation and crack-path optimization

E Fagerholt, T Børvik, OS Hopperstad - Optics and Lasers in Engineering, 2013 - Elsevier
This paper evaluates mesh adaptation techniques in two-dimensional digital image
correlation (2D-DIC) analyses of specimens with large deformations and a single …

Anisotropic failure modes of high-strength aluminium alloy under various stress states

M Fourmeau, T Børvik, A Benallal… - International Journal of …, 2013 - Elsevier
The influence of stress state and plastic anisotropy on the fracture behaviour of a rolled
AA7075-T651 aluminium plate under quasi-static loading conditions is studied both …

Ductility prediction of HPDC aluminum alloy using a probabilistic ductile fracture model

Y Zhang, F Shen, J Zheng, S Münstermann, T Li… - Theoretical and Applied …, 2022 - Elsevier
The microstructure and ductile fracture characteristics of the aluminum alloy (Aural-2)
produced by high-pressure die casting have been characterized via experimental and …

[HTML][HTML] Predicting ductile fracture of low carbon steel sheets: Stress-based versus mixed stress/strain-based Mohr–Coulomb model

F Ebnoether, D Mohr - International Journal of Solids and Structures, 2013 - Elsevier
Two distinct implementations of the Mohr–Coulomb failure model are used in conjunction
with a non-associated quadratic plasticity model to describe the onset of fracture in low …

Characterisation and investigation of local variations in mechanical behaviour in cast aluminium using gradient solidification, Digital Image Correlation and finite …

J Olofsson, IL Svensson, P Lava, D Debruyne - Materials & Design (1980 …, 2014 - Elsevier
Due to design and process-related factors, there are local variations in the microstructure
and mechanical behaviour of cast components. This work establishes a Digital Image …