Investigation of Vibrations Induced by Dry Friction in a Pin‐on‐Disk Experimental Set‐up

Investigation of Vibrations Induced by Dry Friction in a Pin‐on‐Disk Experimental Set‐up High‐frequency vibrations have been shown to smooth the effective characteristics of dry friction and may be used in order to quench undesired phenomena such as friction induced vibrations. As the agreement between classical modelling and related experimental results appears to be insufficient, the effect of contact compliance on vibrational smoothing of dry friction has been discussed. Recently, a pin‐on‐disk experimental set‐up has been presented in order to validate the corresponding results. Within this contribution, selected properties of the experimental set‐up are analysed. Due to a negative slope in the friction‐velocity characteristics, friction induced vibrations can be observed at low sliding velocities. The oscillatory behaviour of a corresponding minimal model is investigated and compared to the experimental results. When applying appropriate high‐frequency excitation, the friction‐velocity characteristics are smoothed and, consequently, friction induced vibrations can be quenched. (© 2017 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim) http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Proceedings in Applied Mathematics & Mechanics Wiley

Investigation of Vibrations Induced by Dry Friction in a Pin‐on‐Disk Experimental Set‐up

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Publisher
Wiley
Copyright
Copyright © 2017 Wiley Subscription Services
ISSN
1617-7061
eISSN
1617-7061
D.O.I.
10.1002/pamm.201710157
Publisher site
See Article on Publisher Site

Abstract

High‐frequency vibrations have been shown to smooth the effective characteristics of dry friction and may be used in order to quench undesired phenomena such as friction induced vibrations. As the agreement between classical modelling and related experimental results appears to be insufficient, the effect of contact compliance on vibrational smoothing of dry friction has been discussed. Recently, a pin‐on‐disk experimental set‐up has been presented in order to validate the corresponding results. Within this contribution, selected properties of the experimental set‐up are analysed. Due to a negative slope in the friction‐velocity characteristics, friction induced vibrations can be observed at low sliding velocities. The oscillatory behaviour of a corresponding minimal model is investigated and compared to the experimental results. When applying appropriate high‐frequency excitation, the friction‐velocity characteristics are smoothed and, consequently, friction induced vibrations can be quenched. (© 2017 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)

Journal

Proceedings in Applied Mathematics & MechanicsWiley

Published: Jan 1, 2017

References

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