[HTML][HTML] Deformation mechanisms and fracture in tension under cyclic bending plus compression, single point and double-sided incremental sheet forming processes

W Peng, H Ou - International Journal of Machine Tools and …, 2023 - Elsevier
This study investigates the deformation and fracture mechanisms of two testing methods,
tension under cyclic bending (TCB) and tension under cyclic bending plus compression …

[HTML][HTML] Void growth in ductile materials with realistic porous microstructures

AR Vishnu, G Vadillo, JA Rodríguez-Martínez - International Journal of …, 2023 - Elsevier
In this paper, we have investigated void growth in von Mises materials which contain
realistic porous microstructures. For that purpose, we have performed finite element …

A gradient-extended two-surface damage-plasticity model for large deformations

T Brepols, S Wulfinghoff, S Reese - International Journal of Plasticity, 2020 - Elsevier
This work is concerned with the theoretical development, algorithmic implementation and
numerical investigation of a novel thermodynamically consistent 'two-surface'gradient …

Damage and fracture prediction of 7075 high-strength aluminum alloy during cryogenic stamping process

W Liu, Y Hao - Mechanics of Materials, 2021 - Elsevier
In order to accurately predict the damage and fracture behaviors of a 7075 aluminum alloy
during cryogenic stamping, a nonlinear damage model taking into account stress triaxiality …

A shear modified enhanced Gurson constitutive relation and implications for localization

IA Khan, AA Benzerga, A Needleman - … of the Mechanics and Physics of …, 2023 - Elsevier
The most widely used phenomenological constitutive relation to model ductile failure of
structural metals at room temperature is based on the work of Gurson (1977) and has the …

Plasticity damage self-consistent model incorporating stress triaxiality and shear controlled fracture mechanisms–model formulation

N Bonora, G Testa - Engineering Fracture Mechanics, 2022 - Elsevier
A model for plasticity and damage, developed in the context of continuum damage
mechanics and consistent with micromechanisms of void nucleation, growth, and …

An analysis of Lode effects in ductile failure

ME Torki, SM Keralavarma, AA Benzerga - … of the Mechanics and Physics of …, 2021 - Elsevier
An isotropic multi-surface model of porous material plasticity is derived and employed to
investigate the effects of the third stress invariant in ductile failure. The constitutive relation …

[HTML][HTML] Ductile failure predictions using micromechanically-based computational models

LEB Dæhli, C Tekoğlu, D Morin, T Børvik… - Journal of the …, 2022 - Elsevier
Three different micromechanically-based computational models for fracture in porous ductile
solids are compared and assessed. Model A is a unit cell model of a porous ductile solid …

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 …

Ductile tearing of aluminium plates: experiments and modelling

V Espeseth, D Morin, C Tekoğlu, T Børvik… - International Journal of …, 2023 - Springer
This paper presents an experimental and numerical study on quasi-static ductile tearing of
thin plates of the aluminium alloy AA6016 in three tempers. Depending on the temper, the …