Voids development in metals: Numerical modelling

W Wciślik, S Lipiec - Materials, 2023 - mdpi.com
The article is a continuation of two previous review papers on the fracture mechanism of
structural metals through the nucleation, growth and coalescence of voids. In the present …

[HTML][HTML] A unified fracture criterion considering stress state dependent transition of failure mechanisms in bcc steels at–196° C

F Shen, S Münstermann, J Lian - International Journal of Plasticity, 2022 - Elsevier
The fracture properties of a high-strength steel with a body-centered cubic (bcc) crystal
structure have been characterized at–196° C by performing tensile tests with different …

A unified ductile fracture criterion suitable for sheet and bulk metals considering multiple void deformation modes

L Zheng, Z Wang, B Meng, M Wan - International Journal of Plasticity, 2023 - Elsevier
In engineering practice, it is critical to accurately forecast the fracture initiation of ductile
metals. Currently, various uncoupled ductile fracture criteria (DFCs) have been constructed …

A stress-based shear fracture criterion considering the effect of stress triaxiality and Lode parameter

Y Lou, P Wu, C Zhang, J Wang, X Li, R Chai… - International Journal of …, 2022 - Elsevier
Failure in lightweight metal forming is a big challenge currently and prevents their widely
application in weight reduction of automobile and aerospace structures. A stress-based …

A review on ductile fracture prediction of cracked/notched components: The distinct and simplifying roles of the equivalent material concept and fictitious material …

S Mohammadi, AR Torabi - Theoretical and Applied Fracture Mechanics, 2024 - Elsevier
Most of engineering structures and components are made of ductile materials, while fracture
mechanics tools have been mostly developed for brittle materials. This article investigates …

Ductile fracture modelling of steel plates under tensile and shear dominated states

Y Zhang, Y Liu, F Yang - Journal of Constructional Steel Research, 2022 - Elsevier
The prediction of ductile fracture is highly related to the stress and strain states in the plastic
stage. For steel plates in the engineering structure, despite many stress-strain equations …

An uncoupled ductile fracture model considering void shape change and necking coalescence

H Ding, T Zhu, X Wang, B Yang, S Xiao… - Engineering Fracture …, 2023 - Elsevier
In order to accurately describe the fracture behaviour of ductile metals in a wide range of
stress states, based on the mechanism of void nucleation, growth, and coalescence during …

Modeling anisotropic ductile fracture of AA7075-T6 sheet for sheet metal forming considering anisotropic stress state

T Xu, F Li, X Wang, G Zhang - Theoretical and Applied Fracture Mechanics, 2022 - Elsevier
Anisotropic ductile fracture is one of the critical issues in the precision plastic forming of
lightweight sheet metals. In this work, a new anisotropic ductile fracture model is developed …

Experimental characterization of voids and surrounding microstructures developed under tension of Mg, Mg–3Zn, and Ti: A statistical study

E Vasilev, M Knezevic - Materials Science and Engineering: A, 2023 - Elsevier
This paper presents the main findings acquired in an experimental investigation into where
voids form in microstructures of pure Mg, Mg–3Zn alloy, and pure Ti after tension to near …

Analysis of shear ductile damage in forming processes using a micromechanical model with void shape effects

P Tajdary, L Morin, L Romero-Resendiz… - International Journal of …, 2022 - Elsevier
The aim of this work is to investigate and predict ductile failure in forming processes.
Experimental results of deep drawing and corrugation processing on aluminum alloys …