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Effect of new adhesion promoter and mechanical interlocking on bonding strength in metal-polymer composites

: Schuberth, Alexandra; Göring, Mandy; Lindner, Thomas; Töberling, Gerd; Puschmann, Markus; Riedel, Frank; Scharf, Ingolf; Schreiter, Katja; Spange, Stefan; Lampke, T.

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TU Chemnitz, Institut für Werkstoffwissenschaft und Werkstofftechnik:
18th Chemnitz Seminar on Materials Engineering - 18. Werkstofftechnisches Kolloquium 2016 : Chemnitz, 10 - 11 March 2016
Bristol: IOP Publishing, 2016 (IOP conference series. Materials science and engineering 118)
Art. 012041, 7 pp.
Seminar on Materials Engineering <18, 2016, Chemnitz>
Werkstofftechnisches Kolloquium <18, 2016, Chemnitz>
Conference Paper, Electronic Publication
Fraunhofer IWU ()
FRP-Metall-Joining; adhesion promoter; Multimaterial

There are various opportunities to improve the adhesion between polymer and metal in metal-plastic composites. The addition of a bonding agent which reacts with both joining components at the interfaces of the composite can enhance the bonding strength. An alternative method for the adjustment of interfaces in metal-plastic composites is the specific surface structuring of the joining partners in order to exploit the mechanical interlock effect. In this study the potential of using an adhesion promoter based on twin polymerization for metal-plastic composites in combination with different methods of mechanical surface treatment is evaluated by using the tensile shear test. It is shown that the new adhesion promoter has a major effect when applied on smooth metal surfaces. A combination of both mechanical and chemical surface treatment of the metal part is mostly just as effective as the application of only one of these surface treatment methods.