Failure of metals I: Brittle and ductile fracture

A Pineau, AA Benzerga, T Pardoen - Acta Materialia, 2016 - Elsevier
This is the first of three overviews on failure of metals. Here, brittle and ductile failure under
monotonic loadings are addressed within the context of the local approach to fracture. In this …

[PDF][PDF] A review and a statistical analysis of porosity in metals additively manufactured by laser powder bed fusion

D Wang, H Han, B Sa, K Li, J Yan, J Zhang, J Liu… - Opto-Electron …, 2022 - researching.cn
Additive manufacturing (AM), or 3D printing, is an emerging technology that “adds” materials
up and constructs products through a layer-by-layer procedure. Laser powder bed fusion …

Ductile failure modeling

AA Benzerga, JB Leblond, A Needleman… - International Journal of …, 2016 - Springer
Ductile fracture of structural metals occurs mainly by the nucleation, growth and coalescence
of voids. Here an overview of continuum models for this type of failure is given. The most …

[HTML][HTML] Some microstructural aspects of ductile fracture of metals

W Wciślik, R Pała - Materials, 2021 - mdpi.com
The paper discusses the basic issues of the local approach to ductile fracture of structural
metals, with particular emphasis on the failure due to microvoid development. The …

A polycrystalline damage model applied to an anisotropic aluminum alloy 2198 under non-proportional load path changes

X Kong, TF Morgeneyer, D Missoum-Benziane… - International Journal of …, 2023 - Elsevier
A ductile damage model, which fully couples classical void growth at high stress triaxiality
and Coulomb ductile model at the slip system scale at low stress triaxiality, was applied for …

On the mechanical behavior of cold deformed aluminum 7075 alloy at elevated temperatures

K Shojaei, SV Sajadifar, GG Yapici - Materials Science and Engineering: A, 2016 - Elsevier
In the present study, elevated temperature deformation behavior and microstructural
evolution of 7075 aluminum alloy at annealed and cold rolled conditions were examined …

Micromechanics-based modeling of plastic and ductile fracture of aluminum alloy 2024-O

J Lee, HJ Bong, H Park, D Kim - Engineering Fracture Mechanics, 2022 - Elsevier
In this study, the plastic deformation behavior at a large strain range, as well as the ductile
damage and fracture of aluminum alloy 2024-O materials, were investigated under quasi …

On the structure of poroplastic constitutive relations

AA Benzerga - Journal of the Mechanics and Physics of Solids, 2023 - Elsevier
The paper discusses from first principles all aspects relevant to the plasticity of porous
materials. Emphasis is laid on unhomogeneous yielding, defined as the process of yielding …

Void-growth computational analysis in elastic-plastic porous materials

R Bensaada, T Kanit, A Imad, M Almansba… - International Journal of …, 2022 - Elsevier
This study aims to model the effective mechanical response of highly porous materials using
computational homogenisation. A two-phase material is considered here in the form of a von …

On void coalescence under combined tension and shear

ME Torki, AA Benzerga… - Journal of Applied …, 2015 - asmedigitalcollection.asme.org
A micromechanics-based yield criterion is developed for a porous ductile material deforming
by localized plasticity in combined tension and shear. The new criterion is primarily intended …