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

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 deve...

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Bibliographic Details
Published in:Production engineering (Berlin, Germany) Germany), 2018-04, Vol.12 (2), p.249-257
Main Authors: Kießling, R., Ihlemann, J., Riemer, M., Drossel, W.-G., Dittes, A., Scharf, I., Lampke, T., Sharafiev, S., Pouya, M., Wagner, M. F.-X.
Format: Article
Language:English
Subjects:
Adhesive bonding
Aluminum
Corrosion prevention
Ductility
Engineering
Fiber reinforced plastics
Fiber reinforced polymers
Hybrid composites
Industrial and Production Engineering
Inserts
Production
Production Process
Protective coatings
Sol-gel processes
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Summary: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.
ISSN:0944-6524
1863-7353
DOI:10.1007/s11740-018-0806-3