Production Engineering

, Volume 12, Issue 2, pp 153–159 | Cite as

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

Production Process
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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.

Keywords

Metal-composite-hybrid Intrinsic hybridisation Damping Rubber CFRP 

Notes

Acknowledgements

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

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Copyright information

© German Academic Society for Production Engineering (WGP) 2018

Authors and Affiliations

  1. 1.Chair of Plastics TechnologyTU DortmundDortmundGermany

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