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Intrinsic CFRP-metal-hybrids with rubber interface for the improvement of the damping behaviour

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Abstract

This paper presents an integrated passive damping approach in hybrid metal-CFRP parts for structural applications. In this concept a viscoelastic material is embedded in the joint zone of the hybrid component. To examine the connection strength single-lap-joint specimens were produced and tested and the influence of the used material combinations, different surface structures, and different process parameters i.e. the moment of cross-linking were evaluated. Afterwards, the metal-CFRP hybrids were tested in quasi-static tests to assess their connection strength and failure behaviour. Dynamic cyclic tensile tests with step-wise increased loading conditions were performed to determine the specimens damping behaviour and to estimate their fatigue performance. Finally, these results are compared to a state of the art metal-CFRP hybrid with rivets connecting both materials.

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Acknowledgements

This research was supported by the German National Science Foundation (DFG) within the Priority Program 1712.

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  1. Chair of Plastics Technology, TU Dortmund, Leonhard-Euler-Strasse 5, Dortmund, Germany

    Markus Pohl & Markus Stommel

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  1. Markus Pohl
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  2. Markus Stommel
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Correspondence to Markus Pohl.

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Pohl, M., Stommel, M. Intrinsic CFRP-metal-hybrids with rubber interface for the improvement of the damping behaviour. Prod. Eng. Res. Devel. 12, 153–159 (2018). https://doi.org/10.1007/s11740-018-0792-5

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  • DOI: https://doi.org/10.1007/s11740-018-0792-5

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