Experimental and numerical investigation of ductile fracture for AA6061-T6 sheets at room and elevated temperatures

A Kacem, H Laurent, S Thuillier - International Journal of Mechanical …, 2022 - Elsevier
Warm forming is largely employed to enhance the poor formability of aluminum alloys at
room temperature. The knowledge of the effect of stress state and temperature on the …

Prediction of ductile fracture for Al6016-T4 with a ductile fracture criterion: Experiment and simulation

S Zhang, Y Lu, Z Shen, C Zhou… - International Journal of …, 2020 - journals.sagepub.com
The key point in this paper is the prediction of the onset of ductile fracture with a newly
proposed ductile fracture criterion in various stress state ranging from shear to uniaxial …

A numerical and experimental investigation of temperature effects on the formability of AA6063 sheets using different ductile fracture criteria

A Heidari, A Ghassemi, A Atrian - The International Journal of Advanced …, 2020 - Springer
In this study, different ductile fracture criteria, such as Ayada, Equivalent plastic strain
(PEEQ), Brozzo, Rice, Freudenthal, Cockroft–Latham, and Normalized Cockroft–Latham …

Evaluation of varying ductile fracture criterion for 7075 aluminum alloy

G Quan, F Wang, Y Liu, SHI Yu, Z Jie - Transactions of Nonferrous Metals …, 2013 - Elsevier
As one of the principal failures, ductile fracturing restricts metal forming process. Cockcroft-
Latham type fracture criterion is suited for ductile fracture in bulk metal-forming simulation …

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 …

Prediction and analysis of ductile fracture in sheet metal forming—Part I: A modified Ayada criterion

HS Liu, MW Fu - International journal of damage mechanics, 2014 - journals.sagepub.com
A modified ductile fracture criterion is proposed based on the traditional Ayada criterion and
coded into the finite element simulation platform of VUMAT/ABAQUS for prediction and …

A unified model of ductile fracture considering strain rate and temperature under the complex stress states

J Cao, Z Sun, L Huang, Z Yin - Journal of Materials Processing Technology, 2021 - Elsevier
In the thermoforming process of complex components, such as the multi-directional loading
forming of multi-cavity parts, complex stress states always exist and change. Meanwhile …

Prediction of ductile fracture for advanced high strength steel with a new criterion: Experiments and simulation

Y Lou, H Huh - Journal of Materials Processing Technology, 2013 - Elsevier
This paper is concerned with prediction of the onset of ductile fracture by a newly proposed
micro-mechanism-motivated macroscopic ductile fracture criterion in various stress states …

[HTML][HTML] Modeling of ductile fracture from shear to balanced biaxial tension for sheet metals

Y Lou, L Chen, T Clausmeyer, AE Tekkaya… - International Journal of …, 2017 - Elsevier
A ductile fracture model is proposed to describe shear fracture of sheet metals from shear to
balanced biaxial tension via uniaxial and plane strain tension. The fracture criterion models …

[HTML][HTML] Alternative approach to model ductile fracture by incorporating anisotropic yield function

Y Lou, JW Yoon - International Journal of Solids and Structures, 2019 - Elsevier
Due to the texture formed in cold/hot rolled forming process, anisotropy is a key issue not
only in modeling of plastic deformation but also in characterization of fracture behavior. In …