Effect of Material Model on Finite Element Modeling of Aerospace Alloys

Mehdi Saboori; Javad Gholipour; Henri Champliaud; Augustin Gakwaya; Jean Savoie; Priti Wanjara

doi:10.4028/www.scientific.net/KEM.554-557.151

Paper Titles

On the Influence of Cold Rolling Parameters for 14CrW-ODS Ferritic Steel Claddings
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A Theoretical Study of the Effect of the Double Strain Path Change on the Forming Limits of Metal Sheet
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Material Modeling of High Strength Steel Sheet Using Multiaxial Tube Expansion Test with Optical Strain Measurement System
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Stress Relaxation for Formability Improvement
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Effect of Material Model on Finite Element Modeling of Aerospace Alloys
p.151

Submicrocristalline Structure and Dynamic Recovery of Cold Flowformed ELI Grade Ti-6Al-4V
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Prediction of Surface Roughening and Necking Behavior for Metal Foils by Inhomogeneous FE Material Modeling
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Design of an Experimental Device for Biaxial Tension Tests Used in a Uniaxial Test Machine
p.174

Determination of Flow Curve Using Bulge Test and Calibration of Damage for Ito-Goya Models
p.182

HomeKey Engineering MaterialsKey Engineering Materials Vols. 554-557Effect of Material Model on Finite Element...

Effect of Material Model on Finite Element Modeling of Aerospace Alloys

Abstract:

Increasing acceptance and use of hydroforming technology within the aerospace industry requires a comprehensive understanding of critical issues such as the material characteristics, friction condition and hydroformability of the material. Moreover, the cost of experiments that can be reduced by accurate finite element modeling (FEM), which entails the application of adapted constitutive laws for reproducing with confidence the material behavior. In this paper, the effect of different constitutive laws on FEM of tubular shapes is presented. The free expansion process was considered for developing the FEM. Bulge height, thickness reduction and strains were determined at the maximum bulge height using different constitutive models, including Hollomon, Ludwik, Swift, Voce, Ludwigson. In order to minimize the effect of friction, the free expansion experiments were performed with no end feeding. The simulation results were compared with the experimental data to find the appropriate constitutive law for the free expansion process.

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Periodical:

Key Engineering Materials (Volumes 554-557)

Pages:

151-156

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.554-557.151

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Cite this paper

Online since:

June 2013

Authors:

Mehdi Saboori, Javad Gholipour, Henri Champliaud, Augustin Gakwaya, Jean Savoie, Priti Wanjara

Keywords:

Constitutive Law, Free Expansion Test, Hydroforming, Tube Bulge Test

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