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Comparative Analysis of Die Materials for Reducing the Rebound-Effect in Electromagnetic Forming Processes

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Abstract:

The rebound-effect that frequently occurs during electromagnetic sheet metal forming is one of the main causes of deviations in the shape and dimensional accuracy of flat surfaces. The selection of the die material and its corresponding energy absorption capabilities has a critical impact on this effect. This article analyses materials with different physical properties in terms of their energy absorption behavior under dynamic impact load. A variety of model tests are being conducted to examine a wide range of impact velocities and energies. The experimental setups comprise two variations of a drop tower test, which can be used to determine the percentage of impact energy absorbed at high and low momentum. To achieve higher impact velocities, a third experiment involving an electromagnetically accelerated impact body was conducted for the material that demonstrated the best result in the preceding tests.

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Periodical:

Solid State Phenomena (Volume 389)

Pages:

27-35

DOI:

https://doi.org/10.4028/p-2QfLSa

Citation:

Cite this paper

Online since:

April 2026

Authors:

Richard Walther*, Linda Fleischer, Maik Linnemann, Verena Psyk, V. Kräusel

Keywords:

Die Material, Drop Tower, Electromagnetic Forming

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Creative Commons CC BY 4.0

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* - Corresponding Author

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