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Journal of Plastics Technology 2017/01

Interfacial phenomena in metallic z-reinforced CFRP joints after hygrothermal ageing

Interfacial phenomena in metallic z-reinforced CFRP joints after hygrothermal ageing

The reciprocal impact of surface pretreatment for metallic z-reinforcing sheets and exposure of reinforced carbon composite joints to hot/wet environment (70 °C, 85 % RH) on the mechanical interlocking and adhesion between reinforcements and laminate is investigated. Moisture ingress potentially causes a significant increase of delamination resistance. Reinforced joints experience compressive stress between laminate and reinforcements due to the swelling of the laminate such that surface pretreatment’s impact decreases and the effect of the metal’s coefficient of thermal expansion increases. Surface analyses through scanning electron microscopy (SEM) and x-ray photoelectron spectroscopy (XPS) indicate combined mechanical adhesion and chemisorption promoted by laser pretreatment to be the most moisture resistant mechanism of adhesion.

Michael Jürgens, M.Sc.1 ; Dipl.-Ing. (FH) Max Kolb1 ; Dr.-Ing. Ante Kurtovic1 ;
Prof. Dr. Pedro Ponces Camanho2 ; Dr. mont. Elisabeth Ladstaetter3
1 Airbus Group Innovations
2 DEMEGI, Universidade do Porto, Faculdade de Engenharia
3 Technische Universität München, Institute for Carbon Composites

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The Journal

The Journal of Plastics Technology is a peer reviewed internet periodical published under the auspices of the Scientific Alliance of Polymer Technology (WAK)


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International Polymer Processing

International Polymer Processing, the journal of the Polymer Processing Society, is a discussion forum for the world-wide community of engineers and scientists in the field of polymer processing.

The journal covers research and industrial application in the very specific areas of designing polymer products, processes, processing machinery and equipment.


International Polymer Processing


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The Journal of Plastics Technology is indexed in SCOPUS, the largest abstract and citation database of peer-reviewed literature.