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EB2021-STP-007

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Abstract

Prof. Dr.-Ing. Georg-Peter Ostermeyer, TU Braunschweig, GERMANY

Mr. Chengyuan Fang, TU Braunschweig, GERMANY

Mr. Felix Rickhoff, TU Braunschweig, GERMANY


The frictional behavior of a tribological contact is the result of complex interactions between two bodies.

In the case of tribological high-load contacts, such as those found in brakes, wear and the associated wear particles play a particularly important role. In the last two decades, a number of papers have been written on this subject, which explain the highly complex dynamics of the friction coefficient, among other things, with the self-organization structures of the wear material in the tribocontact.

Here, particle concentrations, so-called patches, form, which act like additional contact areas in the boundary layer. Since they change dynamically, the friction performance shows similar dynamic structures.

But the ejection of wear particles is also the current focus of research. The emissions also exhibit dynamic signatures.

This work wants to present the further developed measurement technique as well as first approaches to describe the wear particle transport in the boundary layer by experiment and simulation.

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Felix Rickhoff is a research assistant in the tribology group led by Prof. Dr.-Ing. G.-P. Ostermeyer at the Institute for Dynamics and Vibrations in Braunschweig, Germany. He studied mechanical engineering at the Technical University of Braunschweig. His current research topic are the transport phenomena in the boundary layer of friction contacts and correlations with the tribological behavior.

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