Assessment of Damage and Anisotropic Plasticity Models to Predict Ti-6Al-4V Behavior

Carlos Felipe Guzmán; Víctor Tuninetti; Gaëtan Gilles; Anne Marie Habraken

doi:10.4028/www.scientific.net/KEM.651-653.575

Paper Titles

Measurement and Analysis of the Differential Hardening of Ultralow Carbon Steel Sheets
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Implicit Stress Integration and Consistent Tangent Matrix for Yoshida’s 6th Order Polynomial Yield Function Combined with Yoshida-Uemori Kinematic Hardening Rule
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Comparison of the Johnson-Cook and VPSC Models to Describe the Constitutive Behaviour of Ti-6Al-4V in an Implicit Finite Element Scheme
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Prediction of 3D Microstructure and Plastic Deformation Behavior in Dual-Phase Steel Using Multi-Phase Field and Crystal Plasticity FFT Methods
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Assessment of Damage and Anisotropic Plasticity Models to Predict Ti-6Al-4V Behavior
p.575

Validation of Cellular Automata Model of Dynamic Recrystallization
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Modelling Microstructure Evolution in Polycrystalline Aluminium – Comparison between One- and Multi-Parameter Models with Experiment
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Application of Rheological Model of Material with Microdefects and Nanodefects with Hydrogen in the Case of Cyclic Loading
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Young’s Modulus Determination: Influence of Microplasticity and Pseudo-Elasticity on Metal Forming
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HomeKey Engineering MaterialsKey Engineering Materials Vols. 651-653Assessment of Damage and Anisotropic Plasticity...

Assessment of Damage and Anisotropic Plasticity Models to Predict Ti-6Al-4V Behavior

Abstract:

The plastic behavior of the Ti-6Al-4V alloy includes several features as strength differential effect, anisotropy and yield strength sensitivity to temperature and strain rate. Monotonic tensions in the three orthogonal directions of the material are performed to identify the Hill '48 yield criterion. Monotonic compression and plane strain tensile tests are also included in the experimental campaign to identify the orthotropic yield criterion of CPB06. An assessment of the two models is done by comparing the yield loci and the experimental data points for different levels of plastic work. A first approach of the damage modelling of the Ti-6AL-4V alloy is investigated with an extended Gurson-Tvergaard-Needleman damage model based on Hill '48 yield criterion. Finite element simulations of the experiments are performed and numerical results allows checking force-displacement curves until rupture and local information like displacement and strain fields. The prediction ability of the Hill '48, CPB and extended Gurson models are assessed on simple shear and notched tensile tests until fracture.

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Periodical:

Key Engineering Materials (Volumes 651-653)

Pages:

575-580

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.651-653.575

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Online since:

July 2015

Authors:

Carlos Felipe Guzmán*, Víctor Tuninetti, Gaëtan Gilles, Anne Marie Habraken

Keywords:

Anisotropy, CPB06 Yield Criterion, Ductile Fracture, GTN Model, Void Coalescence, Void Growth, Void Nucleation

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