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Investigations of the shear behaviour of aluminium alloys

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Abstract

Shearing is particular economic for the production of forging raw parts but not implemented as an industrial production process because of insufficient shear qualities. To take advantage of the shearing of aluminium alloys, an experimental shear tool is developed. With this tool the fracture mechanism during the shearing process and the influencing parameters on the shear plane quality of aluminium alloys are investigated fundamentally. The considered influencing factors include especially the shear rate, the shear clearance and the microstructure of the raw part material. Those factors are investigated for several technically relevant alloys. The determination of the basic principles in combination with practical experiments allows an assessment of the shearing process for aluminium applications. Within the performed investigations, all considered experimental parameters show an effect on the shear quality. Particularly the shear clearance proves to be the most distinctive parameter to influence the result of the shear result.

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Acknowledgments

The presented investigations were carried out within the German Research Foundation (DFG) project no. Be-1691-27-1 “Untersuchung des Scherverhaltens von Aluminiumlegierungen”. We are thankful for the assistance provided.

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Authors and Affiliations

  1. Institute of Forming Technology and Machines (IFUM), Leibniz Universität Hannover, An der Universität 2, 30823, Garbsen, Germany

    Bernd-Arno Behrens, Lennard Lippold & Julian Knigge

Authors
  1. Bernd-Arno Behrens
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  2. Lennard Lippold
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  3. Julian Knigge
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Correspondence to Lennard Lippold.

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Behrens, BA., Lippold, L. & Knigge, J. Investigations of the shear behaviour of aluminium alloys. Prod. Eng. Res. Devel. 7, 319–328 (2013). https://doi.org/10.1007/s11740-013-0450-x

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  • DOI: https://doi.org/10.1007/s11740-013-0450-x

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