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The Role of Friction Film in Friction, Wear, and Noise of Automotive Brakes
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English
Abstract
A brake system must provide high and stable friction, low wear and noise/vibration-free performance for the reasons of safety, comfort, and durability. These performance characteristics can be influenced by the friction film (glaze) formed on the sliding surfaces of the brake rotor and pads. This investigation was undertaken to study friction film formation and destruction between a semimetallic friction material formulation and a gray cast iron disc, and its influence on passenger car disc brake behavior. Brake rotor surface roughness, the ease or difficulty of friction film formation, its formation mechanism, its effect on friction and wear, and brake squeal/vibration mechanisms are discussed.
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Citation
Rhee, S., Jacko, M., and Tsang, P., "The Role of Friction Film in Friction, Wear, and Noise of Automotive Brakes," SAE Technical Paper 900004, 1990, https://doi.org/10.4271/900004.Also In
References
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