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J. Compos. Sci. 2017, 1(1), 5; doi:10.3390/jcs1010005

Parameter Study and Method for Processing an Adhesion Promoter for Manufacturing Sandwich Sheets

1
Kirchhoff Automotive Deutschland GmbH Am Eckenbach 10-14, 57439 Attendorn, Germany
2
Chair of Forming Technology, University Siegen, Paul-Bonatz-Straße 9-11, 57076 Siegen, Germany
*
Author to whom correspondence should be addressed.
Received: 6 June 2017 / Revised: 25 June 2017 / Accepted: 26 June 2017 / Published: 28 June 2017
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Abstract

Next to the electrification of the powertrain, lightweight design plays an important role in automotive industry. Within the last few years an increasing amount of new materials have been used in automotive structures. One type belonging to this new generation of materials is sandwich materials with sheet metal cover sheets and an inner thermoplastic core. The link between the metallic sheet and the thermoplastic core is achieved with the use of an interface layer made of an adhesion promoter. In the present research, the polyamide 6 based adhesion promoter Evonik Hylink was used. To analyze the thermal behavior of the adhesion promoter a DSC analysis was performed. Based on the DSC analysis, a process window is established and verified by mechanical tests. Furthermore, the mechanical properties of the adhesion promoter are characterized with single lap shear tests in dependence to different process parameters temperature, compression time and layer thickness. With the presented method, a process window for processing the adhesion promoter can be established in relation to the varied parameters. View Full-Text
Keywords: adhesion promoter; sandwich; lap shear test; DSC adhesion promoter; sandwich; lap shear test; DSC
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Poggel, B.; Engel, B. Parameter Study and Method for Processing an Adhesion Promoter for Manufacturing Sandwich Sheets. J. Compos. Sci. 2017, 1, 5.

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