Effects of Transferred Surface Film on μ Behavior of Disc Brake Pad in Humidity Environment

Paper #:
  • 1999-01-3391

Published:
  • 1999-10-10
Citation:
Odani, N., Kobayashi, M., and Kakihara, K., "Effects of Transferred Surface Film on μ Behavior of Disc Brake Pad in Humidity Environment," SAE Technical Paper 1999-01-3391, 1999, https://doi.org/10.4271/1999-01-3391.
Pages:
8
Abstract:
The disc brake pad is a part that is expected to exert the stable performance in a wide variety of working conditions, for example, in a wide speed range and in a wide temperature range. In addition to these working conditions, the stable performance in a variety of humid conditions has also been demanded. This is because most non-asbestos brake pads have the low friction coefficient μ in high humid conditions, which affects the performance of the disc brake pad.This study notes the film of the friction material on the disc rotor as the reason of a decrease in friction coefficient μ in the high humid environment and discusses the mechanism of the decrease in friction coefficient μ.
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