Development of micro‐form‐fitted amorphous thermoplast/light metal hybrid components

Author:

Wurzbacher S.1,Mascher M.1ORCID,Wagner P.1,van der Straeten K.2,Jüptner U.3,Hopmann C.1

Affiliation:

1. Institute for Plastics Processing (IKV) in Industry and Craft at RWTH Aachen University Aachen Germany

2. Fraunhofer Institute for Laser Technology ILT Aachen Germany

3. JUBO Technologies GmbH Wuppertal Germany

Abstract

AbstractIn order to meet the high demands on tolerances and surface qualities, for example in automotive lighting applications, a hybrid part composed of a light metal (aluminium) and an amorphous thermoplastic (polycarbonate) could be an alternative to the established mono‐materials used today. Due to the lack of adhesion promoter systems for joining this specific material combination, a micro‐form‐fitted connection by creating undercut microstructures by laser ablation is used to achieve a full‐surface bond. First investigations are carried out to ensure the filling of these microstructures with different polycarbonate moulding compounds by over moulding in the injection moulding process. Subsequently, the influence of the moulding compound, the structure arrangement and the influence of a pickling treatment on the bond strength are analysed by tensile shear testing.

Publisher

Wiley

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Reference35 articles.

1. Designing hybrid materials

2. F. Henning E. Moeller Handbuch Leichtbau: Methoden Werkstoffe Fertigung Carl Hanser Verlag München2020.

3. H. P. Heim Specialized injection molding techniques Elsevier Amsterdam2016.

4. Thermoplaste für innovative Fahrzeugbeleuchtung

5. H. Kiel Ph.D. Thesis Technische Universität Ilmenau Germany 2011.

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