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Influence of Contact Geometry and Third Body on Squeal Initiation: Experimental and Numerical Studies

[+] Author Affiliations
C. Vayssière, L. Baillet, V. Linck, Y. Berthier

INSA de Lyon, Villeurbanne, France

Paper No. WTC2005-63839, pp. 363-364; 2 pages
  • World Tribology Congress III
  • World Tribology Congress III, Volume 1
  • Washington, D.C., USA, September 12–16, 2005
  • Conference Sponsors: Tribology Division
  • ISBN: 0-7918-4201-0 | eISBN: 0-7918-3767-X
  • Copyright © 2005 by ASME


Brake squeal is an everyday problem, so it has been widely studied, mostly in vibration parlance studying modes, noise energy and frequencies. We propose to study the phenomenon from its origin — i.e. the contact — in a tribological approach that combines contact geometry, third body aspect and squealing initiation: thus, a temporal analysis was necessary. Experimental and numerical approaches have been used to identify influential parameters and they give similar results: a really strong correlation exists between the disk geometry and the squeal initiation.

Copyright © 2005 by ASME
Topics: Geometry



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