Numerical Approach for the Evaluation of Seam Welding Criteria in Extrusion Processes

Martin Schwane; Thomas Kloppenborg; Andreas Reeb; Nooman Ben Khalifa; Alexander Brosius; Kay André Weidenmann; A. Erman Tekkaya

doi:10.4028/www.scientific.net/KEM.504-506.517

Paper Titles

Metal Flow in Two-Hole Extrusion of Al-Alloys Studied by FEA with Experiments
p.493

Constitutive Equations for Finite Element Simulation
p.499

The Model for Coupled Simulation of Thin Profile Extrusion
p.505

Comparison between FEM Simulations and Analytical Calculations of Required Force for Al Extrusion
p.511

Numerical Approach for the Evaluation of Seam Welding Criteria in Extrusion Processes
p.517

Effect of Porthole Design and Welding Chamber Dimensions on Material Flow and Weld Deformability of Extruded Aluminium Profiles
p.523

On the Fundamental Mechanism of Seam Welding in Extrusion of Aluminum Alloys
p.529

Frictional Behaviour of Environmentally Friendly Lubricants for Sheet Metal Forming Processes
p.537

Tribological Behaviour of PVD Coatings for Sheet Metal Forming Tools: Laboratory and Industrial Evaluation
p.543

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Numerical Approach for the Evaluation of Seam Welding Criteria in Extrusion Processes

Abstract:

The accurate simulation and the optimization of extrusion processes can be a helpful technique to ensure producibility of complex aluminum profiles, for example for the automobile industry. Currently, the die designing is based on expert’s knowledge and cost-intensive prototyping. The paper deals with numerical investigations based on finite element simulations as well as experimental investigations of an industrial extrusion process. A newly developed method for longitudinal seam weld prediction is applied to analyze the position of the longitudinal welding line and the welding quality.

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Periodical:

Key Engineering Materials (Volumes 504-506)

Pages:

517-522

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.504-506.517

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Online since:

February 2012

Authors:

Martin Schwane, Thomas Kloppenborg, Andreas Reeb, Nooman Ben Khalifa, Alexander Brosius, Kay André Weidenmann, A. Erman Tekkaya

Keywords:

Finite Element Method (FEM), Mechanical Characterization, Seam Weld, Welding Criteria

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References

[1] M. Bauser, G. Sauer, K. Siegert (editors): Extrusion, 2nd ed., ASM International (2006) [2] Akeret, R.: Extrusion Welds – Quality Aspects are Now Center Stage, Proceedings of 5th International Aluminium Extrusion Technology Seminar, Chicago, IL, Vol. I, 319-336, (1992), Aluminum Extruders Council and the Aluminum Association. [3] M. Plata, J. Piwnik: Theoretical And Experimental Analysis Of Seam Weld Formation In Hot Extrusion Of Aluminum Alloys, Proceedings of the Seventh International Aluminum Extrusion Technology Seminar ET 2000, Vol. I, 205-211. [4] L. Donati, L. Tomesani: Evaluation Of A New FEM Criterion For Seam Welds Quality Prediction In Aluminum Extruded Profiles, in: Proceedings of the Eighth International Aluminum Extrusion Technology Seminar, vol. II, Orlando, FL, May, 2004, p.221

DOI: 10.1016/j.jmatprotec.2004.04.215

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