University of Twente Student Theses


Testing polymer-metal hybrid automobile components at Daimler AG

Bouwman, M.M. (2014) Testing polymer-metal hybrid automobile components at Daimler AG.

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Abstract:The emission of carbon dioxide for automobiles has been restricted by governments worldwide. Reducing this emission can be done by reducing the fuel consumption of automobiles. Apart from designing engines that are more fuel efficient, weight-reduction of the whole vehicle will lead to a lower fuel consumption. However, due to high safety standards and increasing comfort requirements cars tend to be heavier instead of lighter. Therefore the use of fibre reinforced polymers (FRP) has become more and more important for the automotive industry. Structural car components, traditionally made of steel or aluminium, are built of FRP in order to reduce weight and to integrate more functions. Besides, the use of these materials can be economically attractive. At Daimler AG Mercedes Benz Werk Hamburg several components of the new Mercedes-Benz C-Class 205 series have been designed and prepared for mass production. Before the official start of the mass production in February 2014, these components have been tested thoroughly in order to ensure quality and consistency for all components. During my five month internship at Daimler AG I have been working in a testing department that is responsible for the Cockpitquerträger of the new C-Class. This Cockpitquerträger (CQT), the component that holds the steering column and dashboard of the car, is a polymer-metal hybrid structure. The metal components ensure the stiffness and energy absorption during a crash, while the fibre reinforced components support the dashboard and increase the functionality of the CQT. Besides working in this testing department in general, I paid special attention to a particular mechanical bonding between polymer and metal that is used in the CQT.
Item Type:Internship Report (Master)
Daimler AG, Germany
Faculty:ET: Engineering Technology
Subject:52 mechanical engineering
Programme:Mechanical Engineering MSc (60439)
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