Influence de la géométrie des premiers corps sur les instabilités de contact - cas du crissement

C. Vayssiere (1, 2) , Yves Berthier (1, 2) , Laurent Baillet (1, 2)

1 LaMCoS - Laboratoire de Mécanique des Contacts et des Structures [Villeurbanne]
2 TMI - Tribologie et Mécanique des Interfaces

The squeal is often studied because it is uncomfortable for the user and the environment of the vehicle although not harming the operation of the brake mechanism. A preceding study showed experimentally that, for a convenient value of the coefficient of friction and an adequate third body, the appearance of the squeal can be directly related to the geometry of the first bodies. The results presented here deal with the evolution of the tendencies (amplitude, frequency...) of the vibrations induced by friction according to the relative angle between the surfaces of the first bodies. This is a first stage to propose modifications of the first bodies to solve the problems of squeal.

Domaines: Sciences de la Terre

C. Vayssiere, Yves Berthier, Laurent Baillet. Influence de la géométrie des premiers corps sur les instabilités de contact - cas du crissement. The fifth European Conference on Braking JEF 2006, 2006, Lille, France. pp. 9. ⟨insu-00355500⟩