Table of Contents
Lubricants, Volume 8, Issue 4 (April 2020) – 12 articles
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Cover Story (view full-size image) Frictional contact surface geometry plays a critical role on brake squeal as recently highlighted [...] Read more. Frictional contact surface geometry plays a critical role on brake squeal as recently highlighted by numerous studies. This paper aims to investigate, more systematically, the effect of contact localization on squeal occurrence at different scales. Contact localization can be induced by macroscopic effects such as thermal dilatation and wear, but also by the distribution of third body layer in the contact interface generated by friction. By stability analysis of a pin-on-disc system, it is found that contact localization at macroscopic scale acts on the squeal frequencies whereas contact distribution at the mesoscopic scale relies on the probability of squeal occurrence. View this paper.