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Modelling mechanical friction and wear behaviour using numerical results of the movable cellular automata (MCA) method

  • In the mechanical friction and wear process, normal and tangential (shear) forces cause elastic and plastic deformations, generate cracks and form loose wear particles through fracture processes. Depending on the working conditions, the material properties and the real contact Situation (topography), a third body is formed as a mechanical ly mixed layer, which determines different running-in and steady-state behaviours. Two dimensional (2D) MCA Simulation results will be described via empirical equations, which are related to the incubation time (period without wear) and the following running-in wear rate (kinetic concept of strength, fatigue wear model). In order to understand the running-in and steady-state wear, kinetic model equations for mass balance of the third body are useful and are therefore to be included in the investigation. For a more complex material behaviour, numerical Simulation results are also presented for friction at the pad-disk interface of automotive brakes.In the mechanical friction and wear process, normal and tangential (shear) forces cause elastic and plastic deformations, generate cracks and form loose wear particles through fracture processes. Depending on the working conditions, the material properties and the real contact Situation (topography), a third body is formed as a mechanical ly mixed layer, which determines different running-in and steady-state behaviours. Two dimensional (2D) MCA Simulation results will be described via empirical equations, which are related to the incubation time (period without wear) and the following running-in wear rate (kinetic concept of strength, fatigue wear model). In order to understand the running-in and steady-state wear, kinetic model equations for mass balance of the third body are useful and are therefore to be included in the investigation. For a more complex material behaviour, numerical Simulation results are also presented for friction at the pad-disk interface of automotive brakes.zeige mehrzeige weniger

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Metadaten
Autor*innen:Heinz Kloß, Werner ÖsterleORCiD, A.I. Dmitriev
Persönliche Herausgeber*innen:Wilfried J. Bartz
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):19th International colloquium tribology - Industrial and automotive lubrication
Jahr der Erstveröffentlichung:2014
Herausgeber (Institution):Technische Akademie Esslingen (TAE)
Verlagsort:Stuttgart/Ostfildern
Erste Seite:Paper 8.10, 1
Letzte Seite:7
Veranstaltung:19th International colloquium Tribology - Industrial and automotive lubrication
Veranstaltungsort:Stuttgart/Ostfildern, Germany
Beginndatum der Veranstaltung:21.01.2014
Enddatum der Veranstaltung:23.01.2014
ISBN:978-3-943563-10-8
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:20.02.2016
Referierte Publikation:Nein
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