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A process and load adjusted coating system for metallic inserts in hybrid composites

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Abstract

According to the concept of an intrinsic hybrid composite, adhesive bonding is designed for generating the connection between the applied fiber reinforced polymer and a metallic insert. To induce adhesive bonding, a metallic insert, made of aluminum, is coated. This contribution focusses on the development of a suitable coating system. To this end, the coating system must meet certain requirements. On one hand, demands on the coating like ductility can be deduced from analyzing the manufacturing process. On the other hand, requirements like corrosion protection as well as high static and dynamic strength arise from specific applications under considerations. The utilized coating system is based on organically modified silicate layers (Ormosil) applied using a sol–gel process. To prove that this coating system fulfils the requirements, the corrosion protection is analysed by impedance spectroscopy. Furthermore, different mechanical experimental investigations are performed to verify the ductility of the coating as well as the strength of the resulting interface. Hence, it is shown that the considered coating system can be applied for the analysed intrinsic hybrid composite manufactured in series.

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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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Authors and Affiliations

  1. Chair of Solid Mechanics, Chemnitz University of Technology, Reichenhainer Straße 70, 09126, Chemnitz, Germany

    R. Kießling & J. Ihlemann

  2. Fraunhofer Institute for Machine Tools and Forming Technology Chemnitz, Reichenhainer Straße 88, 09126, Chemnitz, Germany

    M. Riemer & W.-G. Drossel

  3. Chair of Materials and Surface Engineering, Chemnitz University of Technology, Erfenschlager Straße 73, 09125, Chemnitz, Germany

    A. Dittes, I. Scharf & T. Lampke

  4. Chair of Material Science, Chemnitz University of Technology, Erfenschlager Straße 73, 09125, Chemnitz, Germany

    S. Sharafiev, M. Pouya & M. F.-X. Wagner

Authors
  1. R. Kießling
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  2. J. Ihlemann
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  3. M. Riemer
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  4. W.-G. Drossel
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  5. A. Dittes
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  6. I. Scharf
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  7. T. Lampke
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  8. S. Sharafiev
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  9. M. Pouya
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  10. M. F.-X. Wagner
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Correspondence to R. Kießling.

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Kießling, R., Ihlemann, J., Riemer, M. et al. A process and load adjusted coating system for metallic inserts in hybrid composites. Prod. Eng. Res. Devel. 12, 249–257 (2018). https://doi.org/10.1007/s11740-018-0806-3

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  • DOI: https://doi.org/10.1007/s11740-018-0806-3

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