Experiments and modeling of anisotropic aluminum extrusions under multi-axial loading–Part II: Ductile fracture

M Luo, M Dunand, D Mohr - International Journal of Plasticity, 2012 - Elsevier
The anisotropic ductile fracture of a 6260-T6 anisotropic aluminum alloy extrusion is
investigated using a hybrid experimental–numerical approach. A basic fracture testing …

Micro-mechanical studies on the effect of the stress triaxiality and the Lode parameter on ductile damage

M Brünig, S Gerke, V Hagenbrock - International Journal of Plasticity, 2013 - Elsevier
The paper deals with the effect of stress state on the damage behavior of ductile metals. The
continuum damage model has been generalized to take into account the effect of stress …

[HTML][HTML] Numerical failure analysis of a stretch-bending test on dual-phase steel sheets using a phenomenological fracture model

M Luo, T Wierzbicki - International Journal of Solids and Structures, 2010 - Elsevier
Advanced High Strength Steels (AHSS) are increasingly used in automotive industry due to
their superior strength and substantial weight advantage. However, their compromised …

Additive manufacturing structural redesign of hip prostheses for stress-shielding reduction and improved functionality and safety

G Cortis, I Mileti, F Nalli, E Palermo, L Cortese - Mechanics of Materials, 2022 - Elsevier
Nowadays, the total hip arthroplasty (THA) is a widespread surgical procedure, representing
the best option to restore hip joint mobility in patients suffering from trauma or joint diseases …

Anisotropic Hosford–Coulomb fracture initiation model: Theory and application

G Gu, D Mohr - Engineering Fracture Mechanics, 2015 - Elsevier
An anisotropic extension of the Hosford–Coulomb localization criterion is obtained through
the linear transformation of the stress tensor argument. Unlike for isotropic materials where …

Ductile damage assessment of Ti6Al4V, 17-4PH and AlSi10Mg for additive manufacturing

F Nalli, L Cortese, F Concli - Engineering Fracture Mechanics, 2021 - Elsevier
A great research effort has been spent during the latest years in the characterization of
additive manufacturing (AM) alloys, mostly focused on the analysis of microstructure and on …

A nonlinear model for ductile damage accumulation under multiaxial non-proportional loading conditions

L Cortese, F Nalli, M Rossi - International Journal of Plasticity, 2016 - Elsevier
In this paper, a nonlinear model for ductile damage accumulation is presented and applied
to predict failure under non-proportional loading conditions. To this purpose, several tension …

Prediction of ductile fracture in skew rolling processes

Z Pater, J Tomczak, T Bulzak, Ł Wójcik… - International Journal of …, 2021 - Elsevier
This paper begins with a review of the literature regarding the modelling of skew rolling
processes, with a special focus on the problem of material fracture. Numerical modelling is …

Ductile damage modeling at elevated temperature applied to the cross wedge rolling of AA6082-T6 bars

MF Novella, A Ghiotti, S Bruschi, PF Bariani - Journal of Materials …, 2015 - Elsevier
Formability is one of the critical issues in metal forming processes since it is a limiting factor
for the choice of the process parameters as well as for the attainable part quality. This issue …

Combined effects of porosity and stress state on the failure behavior of laser powder bed fusion stainless steel 316L

AE Wilson-Heid, AM Beese - Additive Manufacturing, 2021 - Elsevier
Two primary variables that impact failure behavior of ductile metals are defects and stress
state. These factors are especially critical in additively manufactured materials, as …